A. Reference Papers

B. Presentation at Professional Conferences

C. Invited Talks at Professional Conferences

 

 

 


 

 

A.     Reference Papers:

1

M. Dobrowski, Y.F. Chen, J.K. Furdyna, Effects of Photon-Momentum and Magnetic-Field Reversal on the Far-Infrared Electric-Dipole Spin Resonance in InSb, Phys. Rev. Lett., 51, 134, (1983)

2

Y.F. Chen, M. Dobrowski, J.K. Furdyna, G-Factor Anisotropy of Conduction Electrons in InSb, Phys. Rev. B, 31, 7989, (1985)

3

Y.F. Chen, M. Dobrowski, J.K, Furdyna, Interference of Electric-Dipole and Magnetic-Dipole Interactions in Conduction Electron Spin Resonance in InSb, Phys. Rev. B, 32, 890, (1985)

4

Y.F. Chen, Y.S. Huang, Determination of Density of Gap State Distribution in a-Si:H by Light-induced Effect, J. Appl. Phys. 62, 1514, (1987).

5

Y.F. Chen, Y.S. Huang, An Explaination of Optically Excess Conductivity in Compansated a-Si:H, J. Appl. Phys. 62, 2578 , (1987).

6

Y.S. Huang, Y.F. Chen, Electronic Structure Study of RuS2, Phys. Rev. B, 38, 7997, (1988).

7

Y.F. Chen, Elimination of Light-induced Effect in a-Si:H, Appl. Phys. Lett., 53, 1277, (1988).

8

Y.F. Chen, C.C. Wang, P.K. Tseng, J.J. Lue, Investigation of Defects in Amorphous Silicon Films Using Positron Annihilation, Phys. Lett. A, 134, 493, (1989)

9

Y.F. Chen, Assessment on the Determination of Density of Gap States in Hydrogenated Amorphous Silicon from Space-Charge-Limited Current, Phys. Status. Solidi. (b), 153, 695 (1989)

10

Y.F. Chen, Magnetoelectric Effect in Conduction-Electron-Spin-Resonance in Zinc-blende Semiconductors, Phys. Rev. B, 40, 1959 (1989)

11

Y.F. Chen, Association of 2100 cm-1 infrared spectra with microstructure in hydrogenated amorphous silicon, Solid State Commun., 71, 1127 (1989)

12

Y.F. Chen, Streched-exponential law for carrier capture kinetics of a trapping center in compensated amorphous silicon, Phys. Rev. B, Rapid Communication, 40, 3437 (1989)

13

Y.F. Chen, C.K. Wong, Microscopic model of metastable changes in hydrogenated amorphous silicon, Phys. Status. Solidi. (b), 157, 101 (1990)

14

Y F. Chen, Interference of magnetic-dipole and electric-dipole interactions in semiconductors, Chinese J. Phys., 28, 79 (1990)

15

Y.F. Chen, C.S. Tsai, Y.H. Chang, Photoluminescence study of hydrogen passivation in GaAs and AlGaAs by photochemical vapor deposition system, Appl. Phys. Lett., 57, 70 (1990)

16

Y.F. Chen, Anisotropy of spin-resonance position in p-type InSb inversion layer, Solid State Commun., 76, 839 (1990)

17

Y.F. Chen, Persistent photoconductivity in doping modulate amorphous silicon multilayers, Phys. Status. Solidi. (b), 160, K103 (1990)

18

J.J. Lin, T.M. Chen, and Y.F. Chen, Structural and superconductiviting properties of YBa2(Cu1-xAgx)3O7 with X ³ 0.20, Solid State Commun., 76, 1285 (1990)

19

Y.F. Chen, C.S. Tsai, Y. Chang, I.M. Chang, and I.K. Chen, Y.M. Pang, Hydrogen passivation in Cd1-xZnxTe studied by photoluminescence, Appl. Phys. Lett., 58, 493 (1991)

20

Y.F. Chen, W.S. Chen, S.H. Huang and F.Y. Juang, Photoluminescence studies of hydrogen passivation of GaAs grown on InP substrates by molecular beam epitaxy, J.Appl. Phys., 69, 3360(1991)

21

Y.F. Chen, Reaction mechanisms for shallow impurities in hydrogenated crystalline silicon, Chinese J. Phys., 29, 245 (1991)

22

Y.F. Chen, S.C. Lee, J.H. Chen, Existence of a universal low-energy tail in the photoluminescence of a-Si1-xCx:H alloys, Solid State Commun., 79, 175 (1991)

23

Y.F. Chen and W.S. Chen, Influence of hydrogen passivation on the infrared spectra of Hg0.8Cd0.2Te, Appl. Phys. Lett., 59, 703 (1991)

24

Y.F. Chen, S.F. Huang, and W.S. Chen, Kinetics of optically generated defects in hydrogenated amorphous silicon, Phys. Rev. B, 44, 12748 (1991)

25

Y.F. Chen, and S.F. Huang, Connection between the Meyer-Neldel rule and stretched-exponential relaxation, Phys. Rev. B, Rapid Commun., 44, 13775 (1991)

26

Y.F. Chen, K.C. Sung, W.K. Chen, and Y.S. Lue, Effect of hydrogenation on deep-level traps in InP on GaAs, J. Appl. Phys., 71, 509 (1992)

27

Y.F. Chen, and J.L. Shen, Cyclotron Resonance in Quasi-two-dimensional electron systems in the quantized Hall region, Phys. Status. Solidi. (b), 170, K103 (1992)

28

D.W. Liu, X.M. Xu, and Y.F. Chen, Picosecond photoluminescence nonlinearity of two-dimensional Plasma in GaAs-(Al0.3Ga0.7As) multiple quantum wells, J. Lumin., 54, 23 (1992)

29

Y.F. Chen, L.Y. Lin, J.L. Shen, and D.W. Liu, Optical study of high density two dimensional electron gas in GaAs/Al0.3Ga0.7As modulation-doped quantum wells, J. Appl. Phys., 72, 647 (1992)

30

Y.F. Chen, L.Y. Lin, J.L. Shen, and D.W. Liu, Fermi Enhancement and breakdown of the parity selection rule in the luminescence spectra of GaAs/AlxGa1-xAs modulation-doped quantum wells, Phys. Rev. B, 46, 12433 (1992)

31

Y.H. Chang, T.C. Chen, C.J. Chen, and Y.F. Chen, Magnetophotoconductivity studies of D0 and D- centers in GaAs quantum wells in metallic and insulating states, Phys. Rev. Lett., 69, 2256 (1992)

32

T.Y. Lin, Y.F. Chen, W.K. Chen, and Y.S. Lue, Effects of hydrogenation on electrical properties of InP on GaAs by the photochemical vapor deposition system, Mater. Chem. Phys., 33, 76 (1993)

33

Y.F. Chen, J.L. Shen, L.Y. Lin and Y.S. Huang, Photothermal luminescence spectroscopy of GaAs/Ga1-xAlxAs quantum wells, J. Appl. Phys. 73, 4555 (1993)

34

Y.F. Chen, Role of bonded interstitial hydrogen in hydrogented amorphous silicon: A new perspective, Chinese J. Phys., 31, 445 (1993)

35

C.J. Chen, Y.H. Chang, T.C. Chen, S.H. Li, Y.F. Chen, and H.H. Lin, Effect of hydrogen passivation on lightly n-type GaAs, Mater. SCI Forum., Vol. 117-118, 429 (1993)

36

Y.F. Chen, Y.T. Dai, H.P. Chou, D.C. Chang, and C.Y. Chang, Observation of quantum confinement effects in strained Si0.84Ge0.16/Si quantum wells at room temperature, Appl. Phys. Lett., 62, 2713 (1993)

37

Y.F. Chen, J.L. Shen, and Y.H. Chang, Cyclotron-resonance-induced negative photoconductivity in GaAs/AlxGa1-xAs quantum wells, Solid State Commun., 88, 337(1993)

38

I.M. Chang, S.J. Pang, Y.F. Chen, Light induced degradation on porous silicon, Phys. Rev. B, 48, 8747 (1993)

39

C.H. Lin, S.C. Lee, and Y.F. Chen, Strong room-temperature photoluminescence of hydrogenated amorphous silicon oxide and its correlation to porous silicon, Appl. Phys. Lett., 63, 902 (1993)

40

M.Y. Tsay, Y.S. Huang, and Y.F. Chen, Photoconduction of synthetic pyrite FeS2 single crystals, J. Appl. Phys., 74, 2786 (1993)

41

S.Z. Chang, J.L. Shen, S.C. Lee, Y.F. Chen, The material and electrical properties of highly mismatched InxGa1-xAs on GaAs by molecular beam epitaxy, J. Appl. Phys., 74, 6912 (1993)

42

S.C. Pan, Y.F. Chen, D.C. Chang, C.Y. Chang, and P.J. Wang, Enhancement of band-edge luminescence in hydrogenated strained Si0.84Ge0.16/Si quantum wells by photothermal vapor deposition, Chinese J. Phys.,31, 759 (1993)

43

Y.F. Chen, Y.T. Dai, H.P. Chou, and I.M. Chang, Photoinduced absorption studied by photothermal deflection spectroscopy: its application to the determination of the energy of dangling-band states in a-Si:H, Chinese J. Phys., 31, 767 (1993)

44

D.W. Liu, X.M. Xu, and Y.F. Chen, Photoluminescence excitation correlation spectroscopic study of high density two-dimensional electron gas in GaAs/Al0.3Ga0.7As modulation-doped quantum wells, Phys. Rev. B, 49, 4640 (1994)

45

A. Twardowski, K.C. Yu, F.R. Che., S.S. Kuo, C.S. Ro, K.C. Chiu, W.C. Chou, S.L. Yang, D.S. Chuu, and Y.F. Chen, Valence Band Crystal Field Splitting of Hexagonal Diluted Magnetic Semiconductors, Phys. Status. Solidi. (b), 181, 439 (1994)

46

C.H. Lin, S.C. Lee, and Y.F. Chen, Morphologies and Photoluminescence Mechanism of Porous Silicon under Different Etching and Oxidation Conditions, J. Appl. Phys., 75, 7728 (1994)

47

T.C. Chang, C.Y. Chang, T.G. Jung, P.A. Chen, W.C. Tsai, P.J. Wang, Y.F. Chen, and S.C. Pan, Quantum Confinement effects of Si/SiGe strained-layer superlattices grown by an ultrahigh vacuum chemical vapor deposition technique, J. Mater. Sci-Mater. El., 5, 370 (1994)

48

J.L. Shen, I.M. Chang, Y.M. Shu, Y.F. Chen, S.Z. Chang, and S.C. Lee, Raman-line-shape study of InxGa1-xAs on InP and GaAs substrates, Phys. Rev. B, 50, 1678 (1994)

49

Y.S. Yuang, Y.F. Chen, Y.Y. Lee, and L.C. Lin, Photothermal deflection and Photoluminescence studies of CdS and CdSe quantum dots, J. Appl. Phys. 76, 3041 (1994)

50

A. Twardowski, Y.F. Chen, W. C. Chou, and Demianiuk, The d-d exchange interaction in the diluted magnetic semiconductor Cd1-xFexS, Solid State Commun., 90, 493 (1994)

51

Y.F. Chen, J.L. Shen, I.M. Chang, S.Z. Chang, and S.C. Lee, Photoluminescence study of highly mismatched In0.53Ga0.47As epilayers grown on InP coated GaAs substrates, J. Appl. Phys., 77, 1040 (1995)

52

I.M. Chang, G.S. Chuo, D.C. Chang, and Y.F. Chen, The evolution of photoluminescence of porous silicon under light exposure'' J. Appl. Phys., 77, 5365 (1995)

53

L.H. Chu, Y.F. Chen, D.C. Chang, and C.Y. Chang, The long-term relaxation and build-up transient of photoconductivity in Si1-xGex/Si quantum wells, J. Phys-Condens. Mat. 7, 4525 (1995)

54

Y.F. Chen, J.L. Shen, Y.D. Dai, G.J. Jan, and H.H. Lin, Study of InAlAs/InGaAs heterojunction bipolar-transistor layers by optically detected cyclotron-resonance, Appl. Phys. Lett. 66, 2543 (Vol. 67, 727) (1995)

55

J.L. Shen, Y.D. Dai, Y.F. Chen, S. Z. Chang, and S. C. Lee, Cyclotron-resonance studies in relaxed InxGa1-xAs (0<x<1) epilayers, Phys. Rev. B, 51, 17648 (1995)

56

M.Y. Chern, H.M. Lin, C.C. Fang, J.C. Pan, and Y.F. Chen, Highly crystalline quality ZnSe films grown by pulsed laser deposition, Appl. Phys. Lett., 67, 1390 (1995)

57

Y.F. Chen, Y.T. Dai, J.C. Fan, T.L. Lee, and H.H. Lin, Dependence of electron effective mass on alloy composition of InAlGaAs lattice matched to InP studied by optically detected cyclotron resonance, Appl. Phys. Lett., 67, 1256 (1995)

58

Y.F. Chen, J.L. Shen, Y.D. Dai, and F.F. Fang, Observation of spin-splitting crossing between subbands in the optically detected cyclotron-resonance spectra of In0.53Ga0.47As/In0.52Ga0.48As heterojunctions, Phys. Rev. B, 52, 4692 (1995)

59

Y.F. Chen, W.C. Chou, A. Twardowski, Spin-glass-like behaviour of Fe-based diluted magnetic semiconductors, Solid State Commun., 96, 865 (1995)

60

J.W. Chen, J.C. Wang, and Y.F. Chen, Capacitance studies of Nd2CuO4, Chinese J. Phys., 34, 583 (1996)

61

J.W. Chen, J.C. Wang, and Y.F. Chen, Dielectric properties of Y2Cu2O5+δ”, Chinese J. Phys., 34, 693 (1996)

62

Y.F. Chen, Y.T. Dai, and I.Lo, Observation of double cyclotron resonance in modulation-δ-doped In0.52Al0.48As/In0.53Ga0.47As heterostructure by optical detection, Appl. Phys. Lett., 68, 1117 (1996)

63

C.C. Huang, I.M. Chang, Y.F. Chen, and P.K. Tseng, Observation of Positron trappimg and air condensation in porous silicon by angular correlation annihilation radiation, Physica B, 228, 374 (1996)

64

W.C. Chou, S.S. Kuo, F.R. Chen, A. Twardowski, and Y.F. Chen, Exchange disorder band bending of the Cd1-xFexS diluted magnetic semiconductor, Phys. Status. Solidi. (b), 193, 125 (1996)

65

J.C. Fan and Y.F. Chen, Effect of disorder-induced band mixing on the conduction-band effective mass of InAlGaAs alloys lattice matched to InP, J. Appl. Phys., 80, 1239 (1996)

66

I.M. Chang, J.C. Fan, and Y.F. Chen, Study of the photoluminescence instability of porous silicon under light illumination, Solid State Commun., 100, 157 (1996)

67

Y.T. Dai, Y.H. Chang, T.F. Lee, Y.F. Chen, F.F. Fang, and W.I. Wang, Optically detected cyclotron resonance studies of mulisubband In0.52Al0.48As /In0.53Ga0.47As quantum wells, J. Phys. D Appl. Phys., 29, 3089 (1996)

68

K.C. Chiu, J.S. Wang, Y.T. Dai, and Y.F. Chen, Anomalous temperature dependence of persistent photoconductivity in C60 single crystal, Appl. Phys. Lett., 69, 2665 (1996)

69

I. Lo, J.P. Cheng, Y.F. Chen, and W.C. Mitchel, Effective mass of two-dimensional electron gas in δ-doped Al0.52In0.52As/Ga0.47In0.53As quantum wells, J. Appl. Phys., 80, 3355 (1996)

70

J.C. Fan and Y.F. Chen, Enhancement of conduction-band effective mass in III-V semiconductor alloys induced by chemical disorder, J. Appl. Phys., 80, 6761 (1996)

71

T.C. Chang, W.K. Yen, Y.J. Mei, W.C. Tsai, C.Y. Chang, and Y.F. Chen, Light emission from the ordered and disordered Si/SiGe superlattices, Opt. Quant. Electron., 28, 1295 (1996)

72

C.F. Li, D.Y. Lin, Y.S. Huang, Y.F. Chen, and K.K.Tiong, Temperature dependence of quantized states in an In0.86Ga0.14As0.3P0.3/InP quantum well heterostructure, J. Appl. Phys. 81, 400 (1997)

73

Y.T. Dai, Y.F. Chen, and I. Lo, Effects of band offset and nonparabolicity on the effective mass of two-dimensional electron gas in modulation-δ-doped GaInAs-based heterostructures, Phys. Rev. B, 55, 5235 (1997)

74

H. M. Chen, Y.F. Chen, M.C. Lee, and M.S. Feng, Persistent photoconductivity in n-type GaN, J. Appl. Phys., 82, 899 (1997)

75

M.C. Liao, Y.H. Chang, and Y.F. Chen, Fabrication of ZnSe quantum dots under Volmer-Weber mode by metalorganic chemical vapor deposition, Appl. Phys. Lett., 70, 2256 (1997)

76

Y.T. Dai, Y.T. Liu, R.M. Lin, M.J. Liao, Y.F. Chen, S.C. Lee, and H.H. Lin, Photoluminescence and photothermal deflection spectroscopy of InAs quantum dot superlattices grown on GaAs by molecular beam epitaxy, Jpn. J. Appl. Phys., 36, L811 (1997)

77

J.W. Chen, J.C. Wang, and Y.F. Chen, Study of dielectric relaxation behavior in Nd2CuO4, Physica C, 289, 131 (1997)

78

D.Y. Lin, C.F. Li, Y.S. Huang, Y.C. Jong, Y.F. Chen, L.C. Chen, C.K. Chen, K.H. Chen, and D.M. Bhusari, Temperature dependence of the direct band gap of Si-containing carbon-nitride crystalline films,  Phys. Rev. B, 56, 6498 (1997)

79

H.M. Chen, Y.F. Chen, M.C. Lee, and M.S. Feng, Yellow luminescence in n-type GaN epitaxial films,  Phys. Rev. B, 56, 6942 (1997) 

80

Y.T. Dai, J.C. Fan, and Y.F. Chen, Temperature dependence of photoluminescence spectra in InAs/GaAs quantum dot superlattices with large thicknesses, J. Appl. Phys., 82, 4489, (1997)

81

J.C. Fan, Y.F. Chen, and Y.S. Huang, Photoreflectance study of barrier-width dependence of above-barrier states in GaAs/AlxGa1-xAs multiple quantum wells, Jpn. J. Appl. Phys., 36, 5448, (1997)

82

I.M. Chang and Y.F. Chen, Light emitting mechanism of porous silicon, J. Appl. Phys., 82, 3514 (1997)

83

J.C. Fan and Y.F. Chen, Compositional dependence of the conduction-band effective mass of InGaAsP lattice matched to InP, Chinese J. Phys., 35, 490(1997)

84

J.C. Fan , Y.H. Chang, Y.F. Chen, J.F. Whang, F.F. Fang, W.J. Tsai, and C.Y. Chang, Enhancement of Subnikov-de Hass oscillations by microwave radiation, Chinese J. Phys., 35, 917 (1997) (invited paper in memory of Dr. Wu's 90th birthday).

85

C.C. Huang, I.M. Chang, Y.F. Chen, and P.K. Tseng, Correlation between photoluminescence and positron annihilation spectra in porous silicon, Physica B, 245, 9 (1998)

86

C.C. Huang, I.M. Chang, J.H. Huang, J.C. Fan, Y.F. Chen, and P.K. Tseng, A study of porous silicon prepared under different HF concentrations by positron annihilation, Phys. Lett. A, 273, 183 (1998)

87

Y.T. Dai, J.L. Shen, Y.F. Chen, S.Z. Chang, and S.C. Lee, Nonparabolicity and effective mass of conduction electrons in In1-xGaxAs alloys, Chinese J. Phys., 36, 20 (1998)

88

Y.T. Dai, J.C. Fan, and Y.F. Chen, Studies of two-subband occupied electron gas in modulation-doped In0.52Al0.48As/In0.53Ga0.47As single quantum well by far-infrared modulated photoluminescence, J. Appl. Phys., 83, 2127 (1998)

89

Y.F. Chen, L.H. Chu, S.C. Pan, Y.S. Yuang, and I.M. Chang, Alloy fluctuations in Si1-xGex/Si quantum wells, Proc. NSC, R.O.C., Part A, 22, 439 (1998) ( invited paper)

90

Y.K. Chang, H.H. Hsieh, W.F. Pong, M.H. Tsai, K.H. Lee, T.E. Dann, F.Z. Chien, P.K. Tseng, K.L. Tsang, W.K. Su, L.C. Chen, S.L. Wei, K.H. Chen, D.M. Bhusari, and Y.F. Chen, Electronic and atomic structures of the Si-C-N thin film by x-ray-absorption spectroscopy and theoretical calculations, Phys. Rev. B, 58, 9018 (1998)

91

L.C. Chen, C.K. Chen, S.L. Wei, D.M. Bhusari, K.H. Chen, Y.F. Chen, Y.C. Jong, and Y.S. Huang, Crystalline silicon carbon nitride: A wide band gap semiconductor, Appl. Phys. Lett., 72, 2463 (1998)

92

J.C. Fan, C.H. Chen, and Y.F. Chen, Observation of persistent photoluminescence in porous silicon: Evidence of surface emission, Appl. Phys. Lett., 72, 1605 (1998)

93

L.C. Tsai, C.F. Huang, J.C. Fan, Y.H. Chang, Y.F. Chen, W.C. Tsai, and C.Y. Chang, Persistent Photoconductivity in SiGe/Si quantum wells, J. Appl. Phys., 84, 877 (1998)

94

J.C. Wang, and Y.F. Chen, The Meyer-Nelder rule in fullerences, Appl. Phys. Lett., 73, 948 (1998)

95

J.C. Fan, Y.J. Lin, Y.F. Chen, M.C. Chen, and H.H. Lin, Photoconductivity in self-organized InAs quantum dots, J. Appl. Phys., 85, 5351 (1998)

96

D.Y. Lin, Y.S. Huang, Y.F. Chen, and K.K. Tiog, Contactless electronreflectance and piezoreflectance of a two-dimensional electron gas at a GaN/AlGaN heterointerface, Solid State Commun., 107, 533 (1998)

97

L.C. Tsai, J.C. Fan, Y.F. Chen, and I. Lo, Study of persistent photoconductivity in semimetallic Al0.2Ga0.8Sb/InAs quantum well, Solid State Commun., 108, 445 (1998)

98

Y.K. Chang, W.F. Pong, M.H. Tsai, L.C. Chen, K.H. Chen, and Y.F. Chen, Electronic and atomic structure of SiCN thin film by x-ray-absorption spectroscopy and theoretical calculations, Phys. Rev. B., 58, 9018 (1998)

99

T.Y. Lin, H.M. Chen, M.S. Tsai, Y.F. Chen, F.F. Fang, C.F. Lin, and G.C. Chi, Two-dimentional electron gas and persistent photoconductivity in AlGaN/GaN heterojunctions, Phys. Rev. B., 58, 13793 (1998)

100

T.Y. Lin, M.S. Tsai, Y.F. Chen, and F.F. Fang, Magnetic-field-induced anomalous phase transition in p-SiGe/Si heterostructures, J. Phys-Condens. Mat., 10, 9691 (1998)

101

J.C. Fan, B.L. Yong, Y.C. Yang, Y.F. Chen, W.C. Lee, and T.M. Hsu, Observation of Coulomb staircases in arsenic precipitates in low-temperature grown GaAs, Phys. Status. Solidi. (a) 169, R7 (1998) (Rapid Research Notes)

102

L.C. Tsai, J.C. Fan, Y.F. Chen, and I. Lo, Persistent photoconductivity in semimetallic AlGaSb/InAs quantum wells, Phys. Rev. B., 59, 2174 (1999)

103

J.S. Su, Y.F. Chen, and K.C. Chiu, Dielectric properties of fullerence films, Appl. Phys. Lett., 74, 439 (1999)

104

W.C. Wang, J.C. Fan, and Y.F. Chen, Evidence of Bose-Einstein condensation of exciton in semimetallic AlxGa1-xSb/InAs quantum wells, Chinese J. Phys., 37, 233 (1999)

105

H.Y. Wang, S.C. Huang, T.Y. Yan, J.R. Gong, T.Y. Lin, and Y.F. Chen, Growth and characterization of GaN films on (0001) sapphire substrates by alternate supply of trimethylgallium and NH3, Mat. Sci. Eng. B-Solid, 57, 218 (1999)

106

J.C. Fan, J.C. Wang, and Y.F. Chen, The optical and electrical studies of hydrogen passivation in GaInP/GaAs heterostructrues, Appl. Phys. Lett., 74, 1463 (1999)

107

T.Y. Lin, J.C. Fan, and Y.F. Chen, Effects of alloy potential fluctuations in InGaN epitaxial films, Semicond. Sci. Tech., 14, 406 (1999)

108

J.C. Fan, and Y.F. Chen, Above-barrier states in GaAs-AlGaAs superlattices studied by photoconductivity and photoreflectance, J. Appl. Phys., 86, 1460. (1999)

109

J.S. Su, J.C. Wang, Y.F. Chen, J.L. Shen, and W.C. Chou, Dielectric studies of Zn1-xMnxSe epilayers, J. Appl. Phys., 86, 1630. (1999)

110

W.K. Hung, M.Y. Chen, J.C. Fan, T.Y. Lin, and Y.F. Chen, Pulsed laser deposition of epitaxial GaNxA1-x on GaAs, Appl. Phys. Lett., 74, 3951 (1999)

111

W.C. Wang, and Y.F. Chen, Positive and negative persistent photoconductivities in semimetallic AlxGa1-xSb/InAs quantum wells, J. Appl. Phys., 86, 3152 (1999)

112

C.H. Chen and Y.F. Chen, Optical properties of n-type porous silicon obtained by photo-electrochemical eching, Solid State Commun., 111, 681 (1999)

113

J.L. Shen, T.Y. Lin, Y.F. Chen, and Y.H. Chang, Studied of far-infrared magneto-photoconductivity of D- centers in GaAs/AlGaAs multiple quantum wells, Solid State Commun., 112, 675 (1999)

114

J.S. Su, Y.F. Chen, and K.C. Chiu, Dielectric properties of C60 films at high temperature region, Appl. Phys. Lett., 75, 1607 (1999)

115

D.R. Hang, Y.F. Chen, F.F. Fang, and W.I. Wang, Observation of positive and negative persistent photoconductivities in two-side doped In0.53Ga0.47As/In0.52Al0.48As quantum well, Phys. Rev. B, 60, 13318 (1999)

116

C.H. Chen and Y.F. Chen, Strong and stable visible luminescence from Au-passivated porous silicon, Appl. Phys. Lett., 75, 2560 (1999)

117

J.C. Fan, J.C. Wang, and Y.F. Chen, Persistent photoconductivity in GaInP/GaAs heterostructures, Appl. Phys. Lett., 75, 2978 (1999)

118

M.C. H. Liao, Y.H. Chang, C.C. Tsai, M.H. Chien, and Y.F. Chen, Growth and photoluminescence study of ZnTe quantum dots, J. Appl. Phys., 86, 4694 (1999)

119

Y.F. Chang, H.H. Hsieh, W.F. Pong, M.H. Tsai, T.E. Dann, F.Z. Chien, P.K. Tseng, L.C. Chen, J.J. Wu, Y.F. Chen, X-ray absorption of Si-C-N thin films: A comparison between crystalline and amorphous phases, J. Appl. Phys., 86, 5609(1999)

120

K.H. Chen, J.J. Wu, C.Y. Wen, L.C. Chen, C.W. Fan, P.F. Kuo, Y.F. Chen, and Y.S. Huang, Wide band gap silicon carbon nitride films deposited by electron cyclotron resonance plasma chemical vapor deposition, Thin Solid Films,  355, 205 (1999)

121

H.C. Yang, T.Y. Lin, M.Y. Huang, and Y.F. Chen, Optical properties of Si-doped GaN films, J. Appl. Phys., 86, 6124 (1999)

122

C.H. Hsieh, Y.S. Huang, K.K. Tiong, C.W. Fan, Y.F. Chen, L.C. Chen, J.J. Wu, and K.H. Chen, Piezoreflectance study of a Fe-containing silicon carbon nitride crystalline film, J. Appl. Phys., 87, 280 (2000)

123

C.H. Chen and Y.F. Chen, Transport mechanisms in n-type porous silicon obtained by photoelectrochemical etching, Chinese J. Phys., 38, 150 (2000)

124

T.Y. Lin, H.C. Yang, and Y.F. Chen, Optical quenching of the photoconductivity in n-type GaN, J. Appl. Phys., 87, 3404 (2000)

125

C.H. Hsieh, Y.S. Huang, P.F. Kuo, Y.F. Chen, L.C. Chen, J.J. Wu, K.H. Chen, K.K. Tiong, Piezoreflectance study of silicon carbon nitride nanorods, Appl. Phys. Lett., 76, 2044 (2000)

126

J.F. Chen, P.Y. Wang, J.S. Wang, N.C. Chen, X.J. Guo, and Y.F. Chen, Strain relaxation in InGaAs/GaAs quantum well structure, J. Appl. Phys., 87, 1251 (2000)

127

F.G. Tarntair, C.Y. Wen, L.C. Chen, J.J. Wu, K.H. Chen, P.F. Kuo, S.W. Chang, Y.F. Chen, W.K. Hong, and H.C. Cheng, Field emission from quasi-aligned SiCN nanorods, Appl. Phys. Lett., 76, 2630 (2000)

128

J.L. Shen, J.Y. Chang, H.C. Lin, W.C. Chou, Y.F. Chen, T. Jung, M.C. Wu, Nearly in-plane photoluminescence studies in asymmetric semiconductor microcavities, Solid State Commun., 116, 431 (2000)

129

K.H. Chen, J.J. Wu, L.C. Chen, C.Y. Wen, P.F. Kuo, S.W. Cheng, and Y.F. Chen, Comparative studies on field emission properties of carbonbased materials, Diam. Relat. Mater., 9, 1249 (2000)

130

H.C. Yang, P.F. Kuo, T.Y. Lin, Y.F. Chen, K.H. Chen, L.C. Chen, and J.I. Chyi, Mechanism of luminescence in InGaN/GaN mutiple quantum wells, Appl. Phys. Lett., 76, 3712 (2000)

131

W.K. Hung, M.Y. Chern, and Y.F. Chen, Epitaxial GaNxAs1-x layer formed by Pulsed-laser airradiation of GaAs in an ambient nitrogen gas, Semicond. Sci. Tech., 15, 892 (2000)

132

J.C. Fan, W.K. Hung, Y.F. Chen, J.S. Wang, and H.H. Lin, Mechanism for photoluminescence in an InyAs1-yN/In1-xGa1-xAs single quantum well, Phys. Rev. B, 62, 10990 (2000)

133

W.K. Hung, M.Y. Chern, Y.F. Chen, Z.L. Yang, and Y.S. Huang, Optical properties of GaAs1-xNx on GaAs, Phys. Rev. B, 62, 13028 (2000)

134

H.C. Yang, T.Y. Lin and Y.F. Chen, Nature of the 2.8 eV photoluminescence band in Si-doped GaN, Phys. Rev. B, 62, 12593 (2000)

135

Y.F. Chen, T.Y. Lin, and H.C. Yang, Exciton localization and the stokes shift in undoped InGaN/GaN mutiquantum wells, Proc. SPIE, 3938, 137 (2000) (invited paper).

136

Y.H. Chang, M.H. Chieng, C.C. Tsai, M.C.H. Liao, Y.F. Chen, Growth and photoluminescence study of ZnSe quantum dots, J. Electron. Mater., 29, 173 (2000)

137

H.C. Yang, T.Y. Lin, Y.F. Chen, Persistent photoconductivity in InGaN/GaN mutiple quantum wells, Appl. Phys. Lett., 78, 338 (2001)

138

C.W. Chang, H.C. Yang, C.H. Chen , H.J. Chang, and Y.F. Chen, Optoelectronic properties of ZnSe/ZnMgSSe mutiple quantum wells, J. Appl. Phys., 89, 3725 (2001)

139

H.M. Lin, Y.F. Chen, J.L. Shen, and W.C. Chou, Dielectric studies of Cd1-x-yZnxMnyTe crystals, J. Appl. Phys., 89, 4476 (2001)

140

H.M. Lin, Y.F. Chen, J.L. Shen, and W.C. Chou, Dielectric studies of ZnSe1-xTex epilayers, Appl. Phys. Lett., 78, 1909 (2001)

141

C.H. Chen, Y.F. Chen, and H.X. Jiang, Zone folding of optical phonon in AlGaN/GaN superlattices, Appl. Phys. Lett., 78, 3035 (2001)

142

H.J. Chang, Y.F. Chen, H.P. Lin, C.Y. Mou, Strong visible photoluminescence from SiO2 nanotubes at room temperature, Appl. Phys. Lett. Vol. 78, 3791 (2001)

143

D.R. Hang, C.T. Liang, C.F. Huang, Y.H. Chang, Y.F. Chen, H.X. Jiang and J.Y. Lin, Effective mass of two-dimensional electron gas in an Ala2Ga0.8N/GaN heterojunction, Appl. Phys. Lett., 79, 66 (2001)

144

D.R. Hang, C.H. Chen, Y.F. Chen, H.X. Jiang, AlxGaxN/GaN band offsets determined by deep-level emission, J. Appl. Phys. Lett., 90, 1887 (2001)

145

C.C. Chen, K.H. Chen, L.C. Chen and Y.F. Chen, Catalytic growth and characterization of gallium nitride nanowires, J. Am. Chem. Soc., 123, 2791 (2001)

146

S.M. Tseng, Y.F. Chen, Y.T. Cheng, C.H. Hsu, Y.S. Huang, and D.Y. Lin, Observation of quasibound states in type-II ZnTe/CdSe superlattices studied by modulation spectroscopies and photoconductivity at room temperature, Phys. Rev. B, 64 195311 (2001)

147

S. Chattopadhyay, L.C. Chen, C.T. Wu, K.H. Chen, J.S. Wu, Y.F. Chen, G. Lehmann, and P. Hess, Thermal diffusivity in amorphous silicon carbon nitride films by the traveling wave technique, Appl. Phys. Lett., 79, 332 (2001)

148

C.T. Liang, C.F. Huang, Y.M. Cheng, T.Y. Huang, Y.H. Chang and Y.F. Chen, Studies of the temperature-driver flow lines and phase transitions in a two-dimensional Si/SiGe hole system, Chinese J. Phys., 39, L305 (2001)

149

K.S. Cho, Y.F. Chen, J.L. Shen, W.C. Chou, Dielectric studies of ZnMnSeTe epilayers, Solid State Commun., 118, 629 (2001)

150

L.C. Chen, S.W. Chang, C.S. Chang, C.Y. Wen, J.J. Wu, Y.F. Chen, Y.S. Huang, and K.H. Chen, Catalyst-free and controllable growth of SiCN ranorods, J. Phys. Chem. Solids, 62, 1567, (2001)

151

C.T. Liang, M.Y. Simmons, D.A. Ritchie, G.H. Kim, Y.H. Chang, and Y.F. Chen, Quantum magneto-transport in two-dimensional GaAs electron gases and SiGe hole gases, J. Phys. Chem. Solids,  62, 1789 (2001)

152

R.M. Lin, S. C. Lee, H.H. Lin and Y.F. Chen, Blueshift of photoluminescence peak in ten periods In As qaumtum dots superlattice, J. Cryst. Growth, 227,1034 (2001)

153

J.L. Shen, C.Y. Chang, H.C. Liu, and Y.F. Chen, Reflectivity and photoluminescence studies in reflectivity in absorbing Bragg reflectors, Semicond. Sci. Tech., 16, 548 (2001)

154

J.L. Shen, C.Y. Chang, W.C. Chou, and Y.F. Chen, Temperature dependence of the reflectivity in absorbing Bragg reflectors, Opt. Express, 9, 287 (2001)

155

C.H. Chen, H.J. Chang, Y.F. Chen, H.X. Jiang, and J.Y. Lin, Mechanism of photoluminescence in GaN/Alo.2Gao.8N superlattices, Appl. Phys. Lett., 79, 3806 (2001)

156

J.L. Shen, C.Y. Chang, P.N. Chen, W.C. Chou, Y.F. Chen, M.C. Wu, Optical absorption studies in absorbing Bragg reflectors, Opt. Commun., 199, 155 (2001)

157

J.F. Chen, N.C. Chen, J.S. Wang, Y.F. Chen, Differential capacitance measurements of relaxation-induced defects in InGaAs/GaAs Schottky diodes, IEEE T. Electron. Dev., 48, 204 (2001)

158

W.K. Hung, M.Y. Chern, Y.F. Chen, W.C. Chou, C.S. Yang, C.C. Cheng, and J.L. Shen, Optical properties of Zn1xMnxSe (x0.78) epilayers, Solid State Commun, 120, 311 (2001)

159

W.K. Hung, K.S. Cho, M.Y. Chern, Y.F. Chen, and H.H. Lin, Nitrogen-induced enhancement of the electron effective mass in InNxAsi-x, Appl. Phys. Lett., 80, 796 (2002)

160

C.H. Chen, L.Y. Huang, Y.F. Chen, H.X. Jiang, and J.Y.Lin. Mechanism of enhanced Luminescence in InxAlyGa 1-x-yN quaternary alloys, Appl. Phys. Lett., 80, 1397 (2002)

161

Y.Y. Ke, M.H. Ya, Y.F. Chen, and H.H. Lin, Photoluminescence study of hydrogen passivation in InAs1-xNx/InGaAs single quantum well on InP, Appl. Phys. Lett., 80, 3539 (2002)

162

C.H. Chen, Y.F. Chen, An Shih, and S.C. Lee, Nondegrading Photoluminescence in porous silicon by deuterium plasma treatment, Phys. Rev. B, 65, 195307 (2002)

163

C.H. Liang, C.L. Chen, J.S. Hwang, K.H. Chen, Y.T. Hung, and Y.F. Chen, Selective area growth of InN nanowires on gold-patterned Si (100)substrates, Appl. Phys. Lett., 81, 22 (2002)

164

M.H. Ya, Y.F. Chen, and Y.S. Huang, Nonlinear behaviors of valence-band splitting and deformation potential in dilute GaNxAs1-x alloys, J. Appl. Phys., 92, 1446 (2002)

165

D.R. Hang, C.F. Huang, W.K. Hung, Y.H. Chang, J.C. Chen, H.C. Yang, Y.F. Chen, D.K. Shih, T.Y. Chu, and H.H. Lin, Shubnikov-de Haas oscillations of two-dimensional electron gas in a InAsN/InGaAs single quantum well, Semicond. Sci. Tech., 17, 999 (2002)

166

Y.S. Chiu, W.S. Su, M.H. Ya, and Y.F. Chen, Properties of photoluminescence in type-II GaAsSb/GaAs multiple quantum wells, J. Appl. Phys., 92, 5810 (2002)

167

L.Y. Huang, C.H. Chen, Y.F. Chen, W.C. Yeh, and Y.S. Huang, Degree of ordering in Al0.5In0.5 P by Raman scattering, Phys. Rev. B, 66, 073203 (2002)

168

W.S. Su, M.H. Ya, Y.S. Chiu, and Y.F. Chen, Polarized optical properties in type-II ZnTe/CdSe multiple quantum wells induced by interface chemical bonds, Phys. Rev. B, 66, 113305 (2002)

169

C.F. Huang, Y.H. Chang, C.M. Lee, H.T. Chou, H.D. Yeh, C.T. Liang, Y.F. Chen, H.H. Cheng, H.H. Lin, and G.J. Huang, Insulator-Quantum Hall Conductor transitions at low magnetic field, Phys. Rev. B, 65, 045303 (2002)

170

Y.S. Chiu, M.H. Ya, W.S. Su, T.T. Chen, Y.F. Chen, and H.H. Lin, Giant polarized photoluminescence and photoconductivity in type-II GaAs/GaAs Sb multiple quantum wells induced by interface chemical bonds, Appl. Phys. Lett., 81, 4943 (2002)

171

M.M. Ya, W.Z. Cheng, Y.F. Chen, and T.Y. Lin, Upside-down tuning of light and heavy-hole states in GaNAs/GaAs single quantum wells by thermal expansion and quantum confinement, Appl. Phys. Lett.,  81, 3386 (2002)

172

J. S. Wu, S. Dhara, C.T. Wu, K.H. Chen, Y.F. Chen, and L.C. Chen, Growth and optical properties of self-organized Au2Si nanopheres pea-podded in a silicon oxide nanowires, Adv. Mater., 14, 1847 (2002)

173

C.H. Chen, T.Y. Lin, and Y.F. Chen, In-plane optical anisotropy in InGaN/GaN quantum wells, Physica. Status Solidi (c), 0, 284 (2003)

174

D.R. Hang, C.T. Liang, J.R. Juang, T.Y. Huang, W.K. Huang, Y.F. Chen, G.H. Kim, J.H. Lee, and J.H. Lee, Electrically detected and microwave-modulate Shubnikov-de Haas oscillations in an Al0.4 Ga0.6 N/GaN heterostructure, J. Appl. Phys., 93, 2055 (2003)

175

S.P. Fu, Y.F. Chen, J.C. Wang, J.L. Shen, and W.C. Chou, Dielectric properties of ZnMnTe epilayers, J. Appl. Phys., 93, 2140 (2003)

176

C.H. Chen, T.Y. Lin, Y.F. Chen, H.X. Jiang, and J.Y. Lin, Persistent photoconductivity in InAlGaN epilayer, Appl. Phys. Lett., 82, 1884 (2003)

177

H.M. Lin, Y.L. Che, J. Yang, Y.C. Liu, K.M. Yin, J.J. Kai, F.R. Chen, L.C. Chen, Y.F. Chen and C.C. Chen, Synthesis and characterization of core-shell GaN and GaP nanowires, Nano Lett., 3, 537 (2003)

178

J.S. Wu, Y.F. Chen, S. Dhara, C.T. Wu, K.H. Chen, L.C. Chen, Interface energy of Au7Si grown in the interfacial layer of truncated hexagonal dipyramidal Au nanoislands on polycrystalline-silicon, Appl. Phys. Lett., 82, 4468 (2003)

179

K.F. Wang, S.P. Fu, Y.F. Chen, J.L. Shen, and W.C. Chou, Dielectric properties of Cd Zn Te epilayers, J. Appl. Phys., 94, 3371 (2003)

180

T.T. Chen, C.H.Chen, W.Z. Cheng, W.S. Su, M.H. Ya, Y.F. Chen, P.W. Liu, and H.H. Lin, Optical studies of strained type-II GaAs Sb/GaAs multiple quantum wells, J. Appl. Phys., 93, 9655 (2003)

181

C.H. Chen, W.H. Chen, Y.F. Chen, and T.Y. Lin, Piezoelectric, electro-optical, and photoelastic effects in InGaN/GaN multiple quantum wells, Appl, Phys. Lett., 83, 1770 (2003)

182

D.R. Hang, Y.F. Chen, and C.F. Huang, Microwave-aided transport measurements on high-density two-dimensional electron systems confined at AlGaN/GaN heterointerfaces, Physica. Status Solidi. (c), 0, 2323 (2003)

183

J.R. Juang, T.Y. Huang, T.M. Chen, M.G. Lin, G.H. Kim, C.T. Liang, D.R. Hang, Y.F. Chen, and J.I. Chyi, Transport in a gated AlGaN/GaN electron system, J. Appl. Phys., 94, 3181 (2003)

184

H.M. Lin, J. Yang, Y.L. Chen, Y.C. Liu, K.M. Yin, J.J. Kai, F.R. Chen, L.C. Chen, Y.F. Chen, and C.C. Chen, Synthesis and Characterization of core-shell GaP and GaN nanowires, Mat. Res. Soc. Sympl. Proc., 776, Q2.6.1 (2003).

185

Y.C. Lee, G.W. Shu, I.M. Chen, C.P. Chen, J.L. Shen, W.Y. Uen, C.W. Chang, Y.F. Chen, and W.C. Chow, Optical studies of the Holmium-doped InGaAs P epilayers, Phys. Status. Solidi. (a)., 200, 439 (2003) 

186

C.S. Chang, S. Chattopadhyay, L.C. Chen, K.H. Chen, C.W. Chen, Y.F. Chen, R. Collazo, and Z. Sitar, Band-gap dependence of field emission from one-dimensional nanostructures grown on p-type and n-type silicon substrates, Phys. Rev. B, 68, 125322  (2003) 

187

Y.C. Chou, S. Chattopadhyaya, L.C. Chen, Y.F. Chen, K.H. Chen, Doping and electrical properties of amorphous silicon carbon nitride films, Diam. Relat. Mater., 12, 1213 (2003)

188

Y.F. Chen, Y.S. Chiu, M.H. Ya, T.T. Chen, Giant polarized photoluminescence and photoconductivity in type-II GaAs/GaAsSb multiple quantum wells induced by interface chemical bonds, Inst. Phys. Conf. Ser., 174, 397 (2003) 

189

C.F. Tsai, Y.H. Chang, J.H. Cheng, S.C. Yang, C.C. Hsu, and Y.F. Chen, Successful growth of two different quantum dots on one substrate, Physica E, 21, 372 (2004)

190

T.Y. Huang, Y.M. Cheng, C.T. Liang, C.F. Huang, Y.H. Chang, and Y.F. Chen, Magnetic-field-induced phase transition in Si/Si Ge hole system, Physica E, 22, 244 (2004)

191

D.R. Huang, D.K. Shih, C.F. Huang, W.K. Hung, Y.H. Chang, Y.F. Chen, and H.H. Lin, Large effective mass enhancement of the InAsN alloys in the dilute limit probed by Shubnikov-Hass oscillations, Physica E, 22, 308 (2004)

192

J.R. Juang, D.R. Hang, T.Y. Huang, W.K. Hung, Y.F. Chen, G.H. Kim, M.G. Lin, T.M. Chen, C.T. Liang, Y. Lee, and J.H. Lee, Conventional and microwave-modulated Shubniko-de Hass oscillations in GaN electron systems, Physica E, 21, 631 (2004)

193

T.Y. Huang, J.R. Juang, C.F. Huang, G.H. Kim, C.P. Huang, C.T. Liang, Y.H. Chang, Y.F. Chen, Y. Lee, D.A. Ritchie, On the low-field insulator-quantum Hall conductor transitions, Physica E, 22, 240 (2004)

194

D.R. Hang, J.R. Juang, T.Y. Huang, C.T. Liang, W.K. Hung, Y.F. Chen, G.H. Kim, Y. Lee, J.H. Lee, and C.F. Huang, Microwave-modulated Shubnikov-de Haas oscillations in a two-dimensional GaN electron gas, Physica E, 22, 578 (2004)

195

Y.F. Chen, W.S. Su, M.H. Ya, and Y.S. Chiu, Giant polarized optical properties in type II ZnTe/CdSe multiple quantum wells induced by interface chemical bonds, Phys. Status. Solidi. (b), 241, 538 (2004)

196

Y.C. Lee, G.W. Shu, J.L. Shen, W.Y. Uen, and Y.F. Chen, Optical studies of Nd-doped InGaAs P epilayers, Solid State Commun., 129, 47 (2004)

197

L.Y. Lin, C.W. Chang, W.H. Chen, Y.F. Chen, S.P. Guo, and M.C. Tamargo, Raman investigation of anharmonicity and disorder-induces effects in ZnBeSe epifilms, Phys. Rev. B, 69, 075204 (2004)

198

C.H. Chen, Y.F. Chen, Z.H. Lan, L.C. Chen, K.H. Chen, H.X. Jiang, and J.Y. Lin, Mechanism of enhanced luminescence in InxAlyGa1xyN quaternary epilayers, Appl, Phys. Lett., 84, 1480 (2004)

199

Y.M. Chang, H.H. Lin, C.T. Chia, and Y.F. Chen, Observation of coherent interfacial optical phonons is GaInP/GaAs/GaInP single quantum wells, Appl. Phys. Lett., 84, 2548 (2004)

200

S. Dhara, A. Datta, C.T. Wu, Z.H. Lan, K.H. Chen, Y.L. Wang, Y.F. Chen, C.W. Hsu, L.C. Chen, H.M. Lin, and C.C. Chen, Blue shift of yellow luminescence band in self-ion-implanted n-GaN nanowire, Appl. Phys. Lett., 84, 3486 (2004)

201

T.Y. Lin, W.S. Su, and Y.F. Chen, Investigation of surface properties of Si-doped GaN films by electric force microscopy and photoluminescence, Solid State Commun., 130, 49 (2004)

202

T.Y. Lin, Y.M. Chang, Y.F. Chen, H.X. Jiang, and J.Y. Lin, Optical properties of GaN/AlN multiple quantum wells, Solid State Commun., 131, 389 (2004)

203

S.P. Fu, and Y.F. Chen, Effective mass of InN epifilms, Appl. Phys. Lett., 85, 1523 (2004)

204

T.T. Chen, W.S. Su, Y.F. Chen, P.W. Liu, and H.H. Lin, Nature of persistent photoconductivity in GaAsSb/GaAs multiple quantum well, Appl. Phys. Lett., 85, 1526 (2004)

205

N.E. Hsu, W.K. Hung, and Y.F. Chen, Origin of defect emission identified by polarized luminescence from aligned ZnO nanorods, J. Appl. Phys., 96, 4671 (2004)

206

C.M. Lin, and Y.F. Chen, Properties of photoluminescence in type-II ZnMnSe/ZnSeTe multiple quantum wells, Appl. Phys. Lett., 85, 2544 (2004)

207

Y.L. Chen, C.C. Chen, J.C. Jeng, and Y.F. Chen, Enhancement of optical properties of CdSe pillars fabricated by the combination of electron-beam lithography and electrochemical deposition, Appl. Phys. Lett., 85, 1259 (2004)

208

J.C. Fan, Y.C. Wang, I.S. Chen, K.J. Shiao, and Y.F. Chen, Thermally-stimulated current in self-organized InAs quantum dots, Appl. Phys. Lett., 85, 5604 (2004)

209

Z.H. Lan, W.M. Wang, C. L. Sun, S.C. Shi, C.W. Hsu, T.T. Chen, K.H. Chen, C.C. Chen, Y.F. Chen, and L.C. Chen, Growth mechanism, structure, and IR Photoluminescence studies of InN nanorods, J. Cryst. Growth, 269, 87 (2004)

210

J.P. Chang, T.Y. Lin, H.F. Hong, T.C. Gung, J.L. Shen, and Y.F. Chen, Effects of proton irradiations on GaN-based materials, Physica Status Solidi (c), 1, 2466 (2004)

211

K.S. Cho, T.Y. Huang, C.P. Huang, Y.H. Chiu, C.T. Liang, Y.F. Chen and I. Lo, Exchange-enhanced g-factors in an Al0.25Ga0.75N/GaN two-dimensional electron system, J. Appl. Phys., 96, 7370 (2004)

212

J.R. Juang, D.R. Hang, M.G. Lin, T.Y. Huang, G.H. Kim, C.T. Liang, Y.F. Chen, W.K. Hung, W.H. Seo, Y. Lee, and J.H. Lee, Microwave-modulated shubnikov-de Haas-like oscillations in an Al0.4Ga0.6N/GaN electron system, Chinese J. Phys., 42, 629, (2004)

213

H.J. Chang, C.H. Chen, L.Y. Huang, Y.F. Chen, and T.Y. Lin, In-plane optical anisotropy in InGaN/GaN multiple quantum wells induced by Pockels effect, Appl. Phys. Lett., 86, 011924 (2005)

214

H.J. Chang, C.H. Chen, Y.F. Chen, T.Y. Lin, L.C. Chen, K.H. Chen, and Z.H. Lan, Direct evidence of nanocluster-induced luminescence in In GaN epifilms, Appl. Phys. Lett., 86, 021911 (2005)

215

L.M. Chuang, H.K. Fu, and Y.F. Chen, Fabrication and optical properties of two-dimensional photonic crystals of CdSe pillars, Appl. Phys. Lett., 86, 061902 (2005)

216

S.K. Lin, K.T. Wu, C.P. Huang, C.T. Liang, Y.H. Chang, Y.F. Chen, and T.Y. Lin, Electron transport in In-rich InGaN films, J. Appl. Phys., 97, 046101 (2005)

217

C.L. Cheng, Y.F. Chen, R.S. Chen, and Y.S. Huang, Raman scattering and field-emission properties of RuO2 nanorods, Appl. Phys. Lett., 86, 103104 (2005)

218

C. M. Chuang, W.B. Lu, W.F. Su, C.M. Lin, and Y.F. Chen, Manipulation of luminescence from CdSe nanoparticles by three-dimensional photonic crystal, J. Appl. Phys., 97, 096104 (2005)

219

K.S. Cho, T.Y. Huang, H.S. Wang, M.G. Lin, T.M. Chen, C.T. Liang, and Y.F. Chen, Zero-field spin splitting in modulation-doped AlxGa1xN/GaN two-dimensional electron systems, Appl. Phys. Lett., 86, 222102 (2005)

220

J.W. Chen, Y.F. Chen, H. Lu, and W.J. Schaff, Cross-sectional Raman spectra of InN epifilms, Appl. Phys. Lett., 87, 041907 (2005)

221

H.J. Chang, C.H. Chen, Y.F. Chen, T.Y. Lin, L.C. Chen, K.H. Chen, and Z.H. Lan, Response to "Comment on `Direct evidence of nanocluster-induced luminescence in InGaN epifilms, Appl. Phys. Lett., 87, 136102 (2005)

222

H. K. FU, Y.F. Chen, R.L. Chern, and C.C. Chang, Connected hexagonal photonic crystals with largest full band gap, Opt. Express, 13, 7854 (2005)

223

S.C. Chen, S.K. Lin, K.T. Wu, C.P. Huang, P.H. Chang, N.C. Chen, C.A. Chang, H.C. Peng, C.F. Shih, K.S. Liu, H.S. Wang, P.T. Yang, C.-T. Liang, Y.H. Chang and Y.F. Chen, Transport measurements on MOVPE-grown InN film, Microelectron. J., 36, 428 (2005)

224

Wang JS, Lin G, Hsiao RS, et al., Continuous-wave high-power (320 mW) single mode operation of electronic vertically coupled InAs/GaAs quantum dot narrow-ridge-waveguide lasers, Appl. Phys. B-Lasers O., 81 1097 (2005)

225

A. Wang, C.Y. Mou, Y.P. Shih, and Y.F. Chen, Au-Ag alloy nanoparticles as catalyst for CO oxidation: Effect of Si/Al ratios of mesoporous support, J. Catal., 237, 197 (2006)

226

S.P. Fu, and Y.F. Chen, Recombination mechanism in InN epifilms, Solid State Commun., 137, 203 (2006)

227

M.S. Hu, W.M. Wang, T.T. Chen, L.S. Hong, C.W. Chen, C.C. Chen, Y.F. Chen, K.H. Chen, L.C. Chen, Sharp infared emission from Single-crystalline InN nanobelts derived by guided-stream thermal chemical vapor deposition, Adv. Funct. Mater., 16, 537 (2006)

228

T.Y. Lin, Y.M. Hsu, and Y.F. Chen, Origin of blue-band emission from Mg-doped Al0.15Ga0.85N/GaN superlattices, Appl. Phys. Lett., 88, 081912 (2006)

229

H.Y. Lin, Y.F. Chen, Direct evidence of pulling effect in AlGaN epifilms, J. Cryst. Growth, 290, 225 (2006)

230

S.P. Fu, and Y.F. Chen,  Photoluminescent properties of InN epifilms, Semicond. Sci. Tech., 21, 244 (2006)

231

P.H. Chang, N.C. Chen, C.T. Liang, and Y.F. Chen, Superconductivity and mixed-state characteristic of InN films grown by metal-organic vapor phage epitaxy, Diam. Relat. Mater., 15, 1179 (2006)

232

W.S. Su, C.W. Lu, and Y.F. Chen, Light induced electrostatic force microscopy in InN films, J. Appl. Phys., 99, 053518 (2006)

233

J.H Chen., J.Y. Lin, J.K. Tsai, H. Park, G.H. Kim, D.H. Youn, H.I. Cho, E.J. Lee, J.H. Lee, C.T. Liang and Y.F. Chen, Experimental evidence for Drude-Boltzmann-like transport in a two-dimensional electron gas in an AlGaN/GaN heterostructure, J. Korean Phys. Soc., 48, 1539 (2006)

234

Y.L. Tsai, J.R. Gong, T.Y. Lin, H.Y. Lin, Y.F. Chen, and K.M. Lin, Morphological and luminescent characteristics of GaN dots deposited on AlN by alternate supply of TMG and NH3, Appl. Surf. Sci., 252, 3454 (2006)

235

C.H. Wang, T.T. Chen, K.W. Tan, and Y.F. Chen, Photoluminescence properties of CdTe/CdSe core-shell type-II quantum dots, J. Appl. Phys., 99, 123521 (2006)

236

S.P. Fu, T.J. Lin, W.S. Su, C.Y. Shieh, and Y.F. Chen, Influence of hydrogenation on surface morphologies, transport, and optical properties of InN epifilms, J. Appl. Phys., 99, 126102 (2006)

237

H.Y. Lin and Y.F. Chen, Carrier transfer induced photoluminescence change in metal-semiconductor core-shell nanostructures, Appl. Phys. Lett., 88, 161911 (2006)

238

H.Y. Lin and Y.F. Chen, Giant enhancement of luminescence induced by second-harmonic surface Plasmon resonance, Appl. Phys. Lett., 88, 101914 (2006)

239

F.I. Lai, S.Y. Kuo, J.S. Wang, R.S. Hsiao, H.C. Kuo a, J. Chi, S.C. Wang, H.S. Wang, C.T. Liang, Y.F. Chen, Temperature-dependent optical properties of In0.34Ga0.66As1-xNx/GaAs single quantum well with high nitrogen content for 1.55μm application grown by molecular beam epitaxy, J. Cryst. Growth, 291, 27 (2006)

240

F.I. Lai, S.Y. Kuo, J.S. Wang, H.C. Kuo, S.C. Wang, H.S. Wang, C.T. Liang, and Y.F. Chen, Effect of nitrogen contents on the temperature dependence of photoluminescence in InGaAsN/GaAs single quantum wells, J. Vac. Sci. Technol. A, 24, 1223 (2006)

241

C.A. Chang, S.T. Lien, C.H. Liu, C.F. Shih, N.C. Chen, P.H. Chang, H.C. Peng, T.Y. Tang, W.C. Lien, Y.H. Wu, K.T. Wu, J.W. Chen, C.T. Liang, Y.F. Chen, T.U. Lu and T.Y. Lin, Effect of Buffer Layers on Electrical, Optical and Structural Properties of AlGaN/GaN Heterostructures Grown on Si, Jap. J. Appl. Phys., 45, 2516 (2006)

242

H.Y. Lin, C.L. Cheng, Y.Y. Chou, L.L. Huang, and Y.F. Chen, Enhancement of band gap emission stimulated by defect loss, Opt. Express, 14, 2372 (2006)

243

C.H. Chuang, M. C. Wu, W.F. Su, K.C. Cheng and Y.F. Chen, High Intensity fluorescence of photoactivated silver oxide from composite thin film with periodic array structure, Appl. Phys. Lett., 89, 061912 (2006)

244

M.C. Wu, C.H..Chuang, K.C. Cjemg. W.F. Su, and Y.F. Chen, Nanolithography made from water based spin-coatable LSMO resist, Nanotechnology, 17, 4399(2006)

245

K.C. Chu and Y.F. Chen, Liquid crystal driven by CdSe semiconductor, J. Appl. Phys., 100, 024516 (2006)

246

J.M. Lin, H.Y. Lin, C.L. Cheng , and Y.F. Chen, Giant enhancement of band gap emission of ZnO nanorods by platinum nanoparticles, Nanotechnology, 17, 4391 (2006)

247

K.C. Chu, Z.Y. Chao, Y.F. Chen ,Y.C. Wu, and C.C. Chen, Electrically controlled surface Plasmon resonance frequency of gold nanorods, Appl. Phys. Lett., 89, 103107 (2006)

248

D.R. Hang, C.F. Huang, and Y.F. Chen, Two-subband-populated AlGaN/GaN heterostructures probed by electrically detected and microwave-modulatedmagnetotransport measurements, Appl. Phys. Lett., 89, 092116 (2006)

249

S.J. Lin, S.H. Jee, C.J. Kuo, R.J. Wu, W.C. Lin, J.S. Chen, Y.H. Liao, C.J. Hsu, T.F. Tsai, Y.F. Chen, and C.Y. Dong, Discrimination of basal cell carcinoma from normal dermal stroma by quantitative multiphoton imaging, Opt. Lett., 31, 2756 (2006)

250

H.J. Chang, T.Y. Lin, and Y.F. Chen, Optical anisotropy induced by pyramidal defects in Mg-doped AlGaN/GaN superlattices, J. Appl. Phys., 100, 066107 (2006)

251

J.M. Lin, H.Y. Lin, C.L. Cheng, and Y.F. Chen, Giant enhancement of band edge emission in ZnO and SnO nanocomposites, Opt. Lett., 31, 3173 (2006)

252

W.C. Tsai, C.L. Cheng, T.T. Chen, Y.F. Chen, Y.S. Huang, F. Firszt, H. Meczynska, A. Marasek, S. Legowski, and K. Strzalkowski, Investigation of degradation in beryllium chalcogenide II-VI semiconductors, Appl. Phys. Lett., 89, 121918 (2006)

253

G.W. Shu, P.F. Wu, M.H. Lo, J.L. Shen, T.Y. Lin, H.J. Chang, Y.F. Chen, C.F. Shih, C.A. Chang, and N. C. Chen, Concentration dependence of carrier localization in InN epilayers, Appl. Phys. Lett., 89, 131913 (2006)

254

I.J. Chen, and Y.F. Chen, Nonradiative traps in InGaN/GaN multiple quantum wells revealed by two wavelength excitation, Appl. Phys. Lett., 89, 142113 (2006)

255

G..W. Shu, P.F. Wu, Y.W. Liu, J.S. Wang, J.L. Shen, T.Y. Lin, P.J. Pong, G.C. Chi, H.J. Chang, Y.F. Chen and Y.C. Lee, Effects of rapid thermal annealing on the optical and electrical properties of InN epilayers, J. Phys-Condens. Mat., 18, L543 (2006)

256

J.Y. Lin, J.H. Chen, G.H  Kim, H. Park, D.H. Youn, C.M  Jeon, J.M. Baik, J.L. Lee, C.T. Liang, and Y.F. Chen, Magnetotransport measurements on an AlGaN/GaN two-dimensional electron system, J. Korean Phys. Soc., 49, 1130 (2006)

257

Y. Sun, W.L. Chen, S.J. Lin, S.H. Jee, Y.F. Chen, L.C. Lin, Peter T. C. So and C.Y. Dong, Investigating mechanisms of collagen thermal denaturation by high resolution second-harmonic generation imaging, Biometrical J., 91, 2620 (2006)

258

M.G. Lin, T.L. Yang, C.T. Chiang, H.C. Kao, J.N. Lee, W. Lo, S.H. Jee, Y.F. Chen, C.Y. Dong, and S.J. Lin,  Evaluation of dermal thermal damage by multiphoton autofluorescence and second-harmonic-generation microscopy, J Biomed. Opt., 11, 064006 [06125R] (2006)

259

W. Lo, S.W. Teng, H.Y. Tan, K.H. Kim, H.C. Chen, H.S. Lee, Y.F. Chen, T.C. So, and C.Y. Dong, Intact corneal stroma visualization of GFP mouse revealed by multiphoton imaging, Microsc. Res. Techniq., 69, 973 (2006)

260

J.S. Wang, S.H. Yu, H.H. Lin, T.T. Chen, Y.F.Chen, and G.W. Shu, J.L.Shen, R.S. Hsiao, J.F. Chen, and J.Y.Chi, Optical and structural properties of vertically stacked and electronically coupled quantum dots in InAs/GaAs multilayer structures, Nanotechnology, 18, 015401 (2007)

261

K.S. Cho, Y.F. Chen, Y.Q. Tang, and B. Shen, Photogalvanic effects for interband absorption in AlGaN/GaN superlattices, Appl. Phys. Lett., 90, 041909 (2007)

262

C.M. Wei, T.T. Chen, Y.F. Chen, Y.H. Peng and C.H. Kuan, In-plane optical anisotropy in self-assembled Ge quantum dots induced by interfacial chemical bonds, Appl. Phys. Lett., 90, 061912 (2007)

263

W.S. Su, Y.F. Chen, C.L. Hsiao and L.W. Tu, Generation of electricity in GaN nanorods induced by piezoelectric effect, Appl. Phys. Lett., 90, 063110 [179901] (2007)

264

T.T. Chen, C.L. Cheng, Y. F. Chen, F.Y. Chang, H.H. Lin, C.T. Wu, and C.H. Chen, Unusual optical properties of type-II InAs/GaAs0.7Sb0.3 quantum dots by photoluminescence studies, Phys. Rev. B, 75, 033310, (2007)

265

C.W. Chen and Y.F. Chen, Whispering gallery modes in highly hexagonal symmetric structures of SBA-1 mesoporous silica, Appl. Phys. Lett., 90, 071104 (2007)

266

H. J. Chang, T.W. Chen, J.W. Chen, W. C. Hong, W. C. Tsai, Y. F. Chen, and G.Y. Guo, Current and Strain-Induced Spin Polarization in InGaN/GaN Superlattices, Phys. Rev. Lett., 98, 136403, (2007)

267

L.L. Huang, H.J. Chang, Y.Y. Chou, C.H. Wang, T.T. Chen, and Y.F. Chen, J.Y. Tsai, S.C. Wang, and H.C. Kuo, Optical properties of InGaN quantum dots grown by SiNx nanomasks, J. Appl. Phys., 101, 083501, (2007) 

268

K. S. Cho, C. T. Liang, Y. F. Chen, Y. Q. Tang, B. Shen,Spin-dependent photocurrent induced by Rashba-type spin splitting in Al0.25Ga0.75N/GaN heterostructures,  Phys. Rev. B 75, 085327 (2007)

269

M.S. Hu, G.M. Hsu, K.H. Chen, C.J. Yu, H.C. Hsu, L.C. Chen, J.S. Hwang, L.S. Hong, Y.F. Chen, Infrared lasing in InN nanobelts,  Appl. Phys. Lett., 90, 123109 (2007)

270

Y.S. Lin, Y. Hung, H.Y. Lin, Y.H. Tseng, Y.F. Chen and, C.Y. Mou, Photonic crystals from monodispersed lanthanide hydroxide silica, Adv. Mater., 19, 577 (2007)

271

C.C. Wang, C.T. Liang, Y.T. Jiang, Y.F. Chen, N.R. Cooper, M.Y. Simmons, D.A. Ritchie, Huge positive magnetoresistance of GaAs/AlGaAs high electron mobility transistor structures at high temperatures, Appl. Phys. Lett., 90, 252106 (2007)

272

C.T. Liang, Z.H. Sun, C.L. Hsiao, M. Z. Hsu, Li-Wei Tu, J.Y. Lin, J.H. Chen, Y. F. Chen and, C. T. Wu, Huge positive magnetoresistance in an InN film, Appl. Phys. Lett., 90, 172101 (2007)

273

T. T. Chen, C. L. Cheng, S.P. Fu and Y. F. Chen, Photoelastic effect in ZnO nanorods, Nanotechnology, 18, 225705 (2007)

274

Y. H. Huang, C. L. Cheng, T. T. Chen, Y. F. Chen, and K. T. Tsen, Studies of Stokes shift in InxGa1xN alloys, J. Appl. Phys., 101, 103521, (2007)

275

Y. P. Hsieh, J. W. Chen, C.T. Liang, Y. F. Chen, A. Q. Wang, and C. Y. Mou, Influence of the Incorporation of Aluminum on the Optical Properties of MCM-41,  J. Korean Phys. Soc., 50, 1683 (2007)

276

H.J. Chang, Y.P. Hsieh, T.T. Chen, Y.F. Chen, C.T. Liang, T.Y. Lin, S.C. Tseng, and L.C. Chen,  Strong luminescence from strain relaxed InGaN/GaN nanotips for highly efficient light emitters, Opt. Express, 15, 9357 (2007)

277

K.S. Cho, C.T. Liang, Y.F. Chen, J.C. Fan,  Demonstration of Rashba spin splitting in an Al0.25Ga0.75N/GaN heterostructure by microwave-modulated Shubnikov-de Haas oscillations, Semicond. Sci. Tech., 22, 870 (2007)

278

F.C. Wang, C.L. Cheng, Y.F. Chen, C.F. Huang, C.C. Yang, Residual thermal strain in thick GaN epifilms revealed by cross-sectional Raman scattering and cathodoluminescence spectra, Semicond. Sci. Tech., 22, 896 (2007)

279

K.J. Wu, K.C. Chu, C.Y. Chao, Y.F. Chen, C.W. Lai, C.C. Kang, C.Y. Chen, P.T. Chou, CdS nanorods imbedded in liquid crystal cells for smart optoelectronic devices, Nano Lett., 7, 1908 (2007)

280

W.S. Su, Y.F. Chen, W.Y. Shih, H. Luo, W.H. Shih, Domain switching in lead magnesium niobate-lead titanate polycrystalline sheets at single grain level, Appl. Phys. Lett., 91, 112903 (2007)

281

Y.Q. Tang, B. Shen, X.W. He, K. Han, N. Tang, W.H. Chen, Z.J. Yang, G.Y. Zhang, Y.H. Chen, C.G. Tang, Z.G. Wang, K.S. Cho, and Y.F. Chen, Room temperature spin-oriented photocuttent under near-infared irradiation and comparison of optical means with shubnikov de-Haas measurements in AlGaN/GaN heterostructures, Appl. Phys. Lett., (accepted)

282

M.C.Wu,C.M. Chuang, H.H. Lo, K.C. Cheng, Y.F. Chen, and W.F. Su, Enhancing CdSe quantum dots photoluminescience from tuning gold surface plasmon resonance using periodic structured composite thin film, Thin Solid Film, (accepted)

283

Y.P. Hsieh, C.T. Liang, and Y.F. Chen, , Mechanism of giant enhancement and quenching of light emission from Au/CdSe nanocomposites, Nanotechnology, (accepted)

284

S.P. Fu, C.J. Yu, T.T. Chen, G.M. Hsu, M.J. Chen, L.C. Chen, K.S. Chen, and Y.F. Chen, Anomalous optical properties of InN nanobelts: evidence of surface band bending and photoelastic effect,Adv. Mater.,  (accepted)

285

H.Y. Lin, Y.Y. Chou, and Y.F. Chen, Giant enhancement of band edge emission based on ZnO/TiO2 nanocomposites, Opt. Express, (accepted)

 

 


B.       Presentation at Professional Conferences:

 

1.          Y. F. Chen, M. Dobrowski, J.K. Furdyna, ''Determination of Anisotropic Parameter in InSb.'' APS meeting, March, 1985.

2.          Y. F. Chen, J.C. Wang, B.K. Tseng, ''An Investigation of Positron Annihilation in a-Si.'' Annual Meeting of Chinese Physical Society, 1987.

3.          Y.S. Huang, Y. F. Chen, ''Growth and characterization of RuS2 single crystals''. Annual Meeting of Chinese Physical Society. 1988.

4.          J.H. Hsu, Y. F. Chen, Y.D. Yao, and C.L. Chien, ''Composition dependence of structural transformation in FexCu100-x solid solutions''.\newline International Symposium on non-equilibrium solid phases of metals and alloys, Kyoto, Japan, 1988.

5.          Y.C. Cherng, Y. F. Chen, ''Study of Hydrogenated Amorphous Silicon Grown by Photo-Chemical Vapor Deposition'' Annual Meeting of Chinese Physical Society, 1989.

6.          W.S. Liang, Y. F. Chen, ''Steady-State Photocarrier Grating Technique for Diffusion Length Measurement in Semiconductors'' Annual Meeting of Chinese Physical Society, 1989.

7.          Y. F. Chen, ''Magnetoelectric effects in InSb'', Symposium onIII-V compound semiconductors, Hsin-Chu, Taiwan, 1989.

8.          Y. F. Chen, ''Persistent photoconductivity in a-Si:H multiple quantum wells'', Symposium on semiconductor multiple quantum well physics and devices. Taipei, Taiwan, 1990.

9.          Y. F. Chen, ''Anisotropy of spin-resonance position in p-type InSb inversion layer'', Symposium on III-V compound semiconductors. Hsin-Chu, Taiwan, 1990.

10.      Y.M. Hsu, T.C. Hen, C.J. Chen, Y.H. Chang, and Y. F. Chen, Magneto-transport studies of subband Landau Level compling in GaAs/AlGaAs heterostructure, Annual Meeting of Chinese Physical Society, 1992.

11.      T.Y. Lin, and Y. F. Chen, ''Hydrogenation of InP on GaAs by the photochemical vapor deposition system'', Annual Meeting of Chinese Physical Society, 1992.

12.      I.M. Chang, and Y. F. Chen, ''Influence of hydrogen passivation of Hg0.8Cd0.2Te'', Annual Meeting of Chinese Physical Society, 1992.

13.      Y. F. Chen, J.L. Shen, and L.Y. Lin'' Photothermal luminescence and dual-beam photoluminescence: their application to the study of energy levels in GaAs/AlxGa1-xAs quantum wells'', Nordita Research Workshop on nanometer structures and mesoscopic physics, Trondheim, Norway, 1992.

14.      Y. F. Chen, ''Hydrogenation in crystalline semiconductors by photo-chemical vapor deposition method'', International Conference on Physics of Semiconductors, Beijing, China, 1992.

15.      Y. F. Chen, J.L. Shen, and L.Y. Lin '' Observation of standing-wave formation in GaAs/AlxGa1-xAs quantum wells by photothermal luminescence spectroscopy'', Annual Meeting of Chinese Physical Society,1993.

16.      J.L. Shen, Y. F. Chen ''Far-infrared magnetophotoconductivity studies of GaAs/AlxGa1-xAs quantum wells'', Annual Meeting of Chines PhysicalSociety, 1993.

17.      I.M. Chang, Y. F. Chen ''Optical studies on porous silicon'', Annual Meeting of Chinese Physical Society, 1993.

18.      M.Y. Tsay, Y.S. Huang, Y. F. Chen ''Photoconduction of synthetic pyrite crystals'', Annual Meeting of Chinese Physical Society, 1993.

19.      S.Z. Chang, S.C.Lee, J.L. Shen, and Y. F. Chen ''Magneto-optical studies of highly mismatched InxGa1-xAs on GaAs by molecular beam epitaxy'' Symposium on compound semiconductors, National Central Univ. Chung-Li, Taiwan, 1993.

20.      J.L. Shen, S.Z. Chang, S.C. Lee, and Y. F. Chen, ''Study of asymmetric broadening of Raman scattering in InxGa1-xAs/InP and InxGa1-xAs/GaAs epilayers'' Sixth International Conference on InP and related materials, Santa Barbara, CA, USA, 1994.

21.      I.M. Chang, and Y. F. Chen, ''Study of grown of photoluminescence under laser light illumination'', Annual Meeting of Chinese Physical Society, 1994.

22.      L.H. Chu and Y. F. Chen, ''Persistent photoconductivity in Si0.86Ge0.14'', Annual Meeting of Chinese Physical Society, 1994.

23.      Y.S. Yuang, and Y. F. Chen, ''Time-resolved measurements of photoluminescence in CdS and CdSe semiconductor-doped glasses'', Annual Meeting of Chinese Physical Society, 1994.

24.      Y. Y. Lee, and Y. F. Chen, ''Photoinduced absorption of p-doped a-Si:H studied by photothermal deflection spectroscopy'', Annual Meeting of Chinese Physical Society, 1994.

25.      Y. F. Chen, J. L. Shen, `` Photoluminescence study of highly mismatched In0.53Ga0.47As epilayers grown on InP coated GaAs substrates'' Annual meeting of Chinese Physical Society, 1995.

26.      J. L. Shen, Y. F. Chen, ``Effective-mass studies of lattice-mismatched InxGa1-xAs epilayers on GaAs and InP substrates'', Annual meeting of Chinese Physical Society, 1995.

27.      S. S. Kuo, F. R. Chen, W. C. Chou, A. Twardowski, and Y. F. Chen, ``Optical studies in the diluted magnetic semiconductors'', Annual meeting of Chinese Physical Society, 1995.

28.      M. C. Liao, Y. H. Chang, and Y. F. Chen, ``The growth of ZnSe epilyer on GaAs (100) by MOCVD'', Annual meeting of Chinese Physical Society, 1995.

29.      J. W. Chen, J. C. Wang, and Y. F. Chen, ``Capacitance studies of Nd2CuO4'', Taiwan International Conference on Superconductivity, 1995.

30.      J. W. Chen, T. Y. Wang, J. C. Wang, and Y. F. Chen, ``Dielectric properties of Y2Cu2O5+δ'', Taiwan International Conference on Superconductivity, 1995.

31.      I. Lo, J. P. Chen, and Y. F. Chen, ''Effective mass of two-dimensional electron gas in δ-doped AlInAs/GaInAs quantum wells'', Annual meeting of Chinese Physical Society, 1996.

32.      C. C. Huang, I. M. Chang, Y. F. Chen, and P. K. Tseng, ''Positron-annihilation studies of porous silicon''. Annual meeting of Chinese Physical Society, 1996.

33.      Y. F. Chen, Y. T. Dai, and I. Lo, ''Observation of double cyclotron resonance in modulation-doped InAlAs/InGaAs heterostructure by optical detection'', The 29th Seminar in Science and Technology-Optoelectronics'' Tokyo, Japan, 1996.

34.      K. H. Chen, C. H. Chao, T. J. Chuang, Y. J. Yang, L. C. Chen, C. K. Chen, Y. F. Huang, C. H. Yang, H. Y. Lin, I. M. Chang, and Y. F. Chen, ''GaN growth by nitrogen ECR-CVD method'', MRS meeting, San Francisco, USA, 1996.

35.      M. S. Tsia, T. Y. Lin, C. F. Huang, Y. F. Chen, C. F. Lin, G. C. Chi, and F. F. Fang, ''The transport property of 2DEG in GaN/AlGaN heterostructures'' Photonics, Hsinchu, Taiwan, 1996.

36.      Y. T. Dai and Y. F. Chen, ''Photoluminescence and photothermal deflection spectroscopy in InAs quantum dots ''Annual meeting of Chinese Physical Society, 1997.

37.      J. C. Fan and Y. F. Chen, ''Anomalous optical and electric properties in InGaAsP quantum wells'' Annual meeting of Chinese Physical Society, 1997.

38.      M. S. Tsai, T. Y. Lin, Y. F. Chen, and F. F. Fang, ''The transport property of 2DEG in GaN/AlGaN heterostructures'' Annual meeting of Chinese Physical Society, 1997.

39.      T. Y. Lin, M. S. Tsai, Y. F. Chen, and F. F. Fang, ''Magnetic field induced metal-insulator-metal transition in p-type Si/SiGe heterojuctions'' Annual meeting of Chinese Physical Society, 1997.

40.      M. C. Liao, Y. H. Chang, Y. F. Chen, and J. W. Hsu, ''Fabrication of ZnSe quantum dots under Volmer-Weber mode by metalorganic chemical vapor deposition'' Annual meeting of Chinese Physical Society, 1997.

41.      J. C. Wang, J. W. Chen, and Y. F. Chen, ''Dielectric properties of Gd2CuO4'' Annual meeting of Chinese Physical Society, 1997.

42.      T. Y. Lin, M. S .Tsai, Y. F. Chen and F. F. Fang, ''Magnetic field induced anomalous phase transition in p-type Si/SiGe heterostructures'', The Second Joint Meeting of the World-Wide Chinese Physicists, Taipei, Taiwan, 1997

43.      H. Y. Wang, S. C. Huang, J. R. Gong, T. Y. Lin, Y. F. Chen, C. I. Chiang and S. L. Tu, ''Growth of GaN films on (0001) sapphire substrates by atomic layer epitaxy using hydrogen carrier gas'', Electronic devices and materials symposium, Chun-Li, Taiwan, 1997.

44.      J. H. Hsu, M. Y. Chern and Y. F. Chen, '' Effect of hydrogen on the interlayer coupling of Fe/Si multilayered films', Internation conference on magnetism and magnetic materilas, Melboume, Australia, 1997.

45.      D. Y. Lin, S. H. Liang, Y. S. Huang, K. K. Tiong, Y. T. Dai, and Y. F. Chen, '' Spectroscopic studies of the effects of surface segregation of In atoms on GaAlAs/InGaAs/GaAs high electron mobility transistor'', Optics and photonics, HsinChu, R.O.C. 1997

46.      L. C. Chen, C. K. Chen, D. M. Bhusari. K. H. Chen, Y. F. Chen, and Y. S. Huang, MRS meeting, San Francisco, U. S. A., 1997

47.      T. Y. Lin, J. C. Fan and Y. F. Chen, '' Alloy potential fluctuationins in InGaN'' Annual meeting of Chinese Physical Society, 1998.

48.      L. J. Tsai, and Y. F. Chen, '' Observation of persistent photoconductivity in SiGe/Si quantum wells'', Annual meeting of Chinese Physical Society, 1998.

49.      J. C. Fan, and Y. F. Chen, ''Observation of persistent photoluminescence in porous silicon'', Annual meeting of Chinese Physical Society, 1998.

50.      H. Z. Yang, and Y. F. Chen '' Photoluminescence study of InAs/InGaAs quantum wells'', Annual meeting of Chinese Physical Society, 1998.

51.      M. C. Liao, Y. H. Chang, and Y. F. Chen, ''Fabrication and characterization of ZnSe quantum dots'', Annual meeting of Chinese Physical Society, 1998.

52.      K. Hong, and Y. F. Chen, ''Fabrication and characterization of InSb dots on GaAs by laser ablation'', Annual meeting of Chinese Physical Society, 1998.

53.      J. S. Wang, H. H. Lin, T. Y. Lin, Y. F. Chen, W. K. Hung, and M. Y. Chern, '' Epitaxial growth of the GaN film on (0001) sapphire by RF atomic nitrogen plasma assisted gas source molecular beam epitaxy'', International Electron Devices and Materials Symposia, 20-23 Dec. 1998, Taiwan, B1-2-P.11

54.      K. T. Hung, P. K. Tseng, Y. F. Chen, S. Y. Lin, W. F. Huang, '' Studies of internal surfaces of zeolites by 2D-ACAR'', Annuel meeting of Chinese Physical Society, 1999.

55.      J. W. Fan, L. C. Lin, K. S. Chen, and Y. F. Chen, '' Wide band gap silicon carbon nitride films deposited by ECR-CVD'', Annuel meeting of Chinese Physical Society, 1999.

56.      W. K. Hung, M. Y. Chern, J. C. Fan, T. Y. Lin, and Y. F. Chen, '' Pulsed laser deposition of GaAsN on GaAs'', Annuel meeting of Chinese Physical Society, 1999.

57.      J. C. Fan, Y. F. Chen, M. C. Chen, and H. H. Lin, '' Photoconductivity study of above-barrier states in GaAs-AlGaAs multiple quantum wells'', Annuel meeting of Chinese Physical Society, 1999.

58.      T. Y. Lin and Y. F. Chen, ' Optical quenching of the photoconductivity phenomena in n-type GaN'', Annuel meeting of Chinese Physical Society, 1999.

59.      D. R. Hang and Y. F. Chen, ' Observation of positive and negative persistent photoconductivity in two-side doped InGaAs/AlInAs quantum wells'', Annuel meeting of Chinese Physical Society, 1999.

60.      J. S. Sue, Y. F. Chen, and K. C. Chiu, ' The dielectric properties of C60 films'', Annuel meeting of Chinese Physical Society, 1999.

61.      C. H. Chen and Y. F. Chen, '' Optical properties of n-type porous silicon obtained by photoelectrochemical etching'', Annuel meeting of Chinese Physical Society, 1999.

62.      F. C. Hsu, J. C. Fan, Y. F. Chen, M. C. Chen, C. W. Shie, and H. H. Lin, ' Thermalization and many-body effects in self- organized InAs/GaAs quantum dots by photoluminescence measurements'', Annuel meeting of Chinese Physical Society, 1999.

63.      W. C. Wang, L. C. Tsai, J. C. Fan, Y. F. Chen, and I. Lo, ' Positive and negative persistent photoconductivities in semimetallic AlGaSb/InAs quantum wells.'', Annuel meeting of Chinese Physical Society, 1999.

64.      Y. H. Chang and Y. F. Chen, '' Growth and characterization of ZnSe and ZnTe quantum dots', American Physical Society, March Meeting, Atlanta, 1999.

65.      T. Y. Lin and Y . F. Chen, '' Optical quenching of the photoconductivity in n-type GaN', American Physical Society, March Meeting, Atlanta, 1999.

66.      Y. F. Chen and J. C. Fan, '' Enhancement of effective mass in III-V compouds induced by chemical disorder'', American Physical Society, March Meeting, Atlanta, 1999.

67.      Y. F. Chen, '' Recent development in GaN-based materials'', Third conference of Overseas Chinese Physical Association, Atlanta, U.S.A., 1999.

68.      Y. F. Chen and T. Y. Lin, '' Exciton localization and Stokes' shift in undoped InGaN/GaN quantum wells'', Optoelectronics 2000, San Jose, California, U.S.A., 2000

69.      Y. F. Chen, H. C. Yang, and T. Y. Lin, Evidence of lumienescence from In Clusters in InGaN/GaN quantum wells, the 2nd nanostructural materials conference, Taipei, Taiwan, 2000.

70.      S. M. Lin, and Y. F. Chen, The dielectric properties of ZnMnCdTe alloys, Annual meeting of Chinese Physical Society, 2000.

71.      Z. W. Chang and Y. F. Chen, Optical studies of ZnMgSeS/ZnSe quantum wells, Annual meeting of Chinese Physical Society, 2000.

72.      W. M. Chen and Y. F. Chen, Optical properties of InGaP and InAlP thin films, Annual meeting of Chinese Physical Society, 2000.

73.      H. C. Yang and Y. F. Chen, Evidence of lumienescence from In Clusters in InGaN/GaN quantum wells Annual meeting of Chinese Physical Society, 2000.

74.      Z. L. Yang, Y. S. Huang, W. K. Huang, and Y. F. Chen,Piezoelectric modulation spectroscopy in GaAsN alloys Annual meeting of Chinese Physical Society, 2000.

75.      Y. F. Chen, H. C. Yang, and T. Y. Lin, Luminescence mechanism in InGaN/GaN quantum wells The 8th Asia Pacific Physics Conference, Taipei, Taiwan, 2000.

76.      M.F. Yue, Y. F. Chen, Optoelectronic properties of GaAsN epitaxial layers Annual Meeting of Chinese Physical Society, 2001.

77.      D.R. Huang, Y. F. Chen, AlxGaxN/GaN band offsets determined by deep-level emission Annual Meeting of Chinese Physical Society, 2001.

78.      C.H. Chen, Y. F. Chen, Investigation of nondegrading photoluminescence in porous silicon by deuterium plasma treatment Annual Meeting of Chinese Physical Society, 2001.

79.      G.H. Huang, K.H. Chen, L.C. Chen and Y. F. Chen, Growth mode of oriented indium nitride platelets observed via lateral epitaxy Annual Meeting of Chinese Physical Society, 2001.

80.      C.T. Liang, Y. F. Chen, Quantum magneto-transport in two-dinansional GaAs electron gases and SiGe hole gases:, Annual Meeting of Chinese Physical Society, 2001.

81.      W.K. Hung, Y. F. Chen, Optical properties of ZnMnSe alloysAnnual Meeting of Chinese Physical Society, 2001.

82.      I.S. Jang, S. Cattopadhyay, K.H. Chen, L.C. Chen, and Y. F. Chen, Field emission properties of one dimensiond nano-structures on different substrates Annual Meeting of Chinese Physical Society, 2001.

83.      S.M. Tzeng, Y. F. Chen, Y.T. Cheng, C.W. Hsu, and Y.S. Huang, Observation of quasibound seates in type-II ZnTe/CdSe superlatives Annual Meeting of Chinese Physical Society, 2001.

84.      J.Y. Peng, Y. F. Chen, L.C. Chen, and C.C. Yeh, Photoluminescance spectra of GaN nanowires grown by Vapor-liquid-solid method Annual Meeting of Chinese Physical Society, 2001.

85.      Y.Y. Ke and Y. F. Chen, Growth and postgrowth rapid annealing of InAsN/InGaAs single quantum well on InP Annual Meeting of Chinese Physical Society, 2001.

86.      H.J. Chang, Y. F. Chen, H.P. Lin, and C.Y. Mou, Strong visible photoluminescence from SiO2 nanotubes at room temperature Annual Meeting of Chinese Physical Society, 2001.

87.      Y. F. Chen, Optoelectronic properties of nanostructured nitride semicenductors International Nanotechnology Form, Hsin-Tsu, Taiwan, 2001.

88.      Y. F. Chen, Mechanism and improvement of luminescence in InAsN/InGaAs quantum wells International Narrow Gap Nitride Workshop, Singapore, 2001.

89.      C.H. Chen, Y. F. Chen, H.X. Jiang, and L.Y. Lin, Mechanism of enhanced luminescence in InAlGaN, March Meeting, American Physical Society, U.S.A.,2002

90.      D.R. Hang, Y. F. Chen, and H.H.Lin, Electronic and optical properties of InAsN/InGaAs single quantum well, March Meeting, American Physical Society, U.S.A.,2002

91.      C.T. Liang, C.H.Pao,C.C.Lee, T.Y. Huang, and Y. F. Chen, Spin-dependent transport in a low-dimensional GaAs electron system, Annual meeting of Chinese Physical Society, 2002.

92.       Y.M. Cheng, C.T, Liang, C.F. Huang, T.Y. Huang, Y.H. Chang, and Y.F.Chen, Magnetic-field-induced phase transitions in a Si/SiGe hole system, Annual meeting of Chinese Physical Society, 2002

93.       C.H. Chen, L.Y. Hung, and Y. F. Chen, Mechanism of enhanced luminescence in InAlGaN quaternary alloys, Annual meeting of Chinese Physical Society, 2002

94.      M.H. Ya, and Y.F.Chen, Optoelecronic properties in GaNAs epitaxial layers and single quantum wells, Annual meeting of Chinese Physical Society, 2002

95.      W.K. Hung, K.S.Cho, and Y. F. Chen, Elecronic properties of InNAs alloy grown by molecular beam epitax, Annual meeting of Chinese Physical Society, 2002

96.      W.S.Su, M.H.Ya, Y.S. Chiu, and Y.F.Chen, Polarization dependence in type-II ZnTe/CdSe mutiple quantum wells by photoluminescence and photoconductivity, Annual meeting of Chinese Physical Society, 2002

97.      C.H. Weng, Y. F. Chen, H.P. Lin, and C.Y.Mou, Photoluminescence mechanism of MCM-41 particles, Annual meeting of Chinese Physical Society, 2002

98.      S.p.Fu, Y.F.Chen, and J.C. Wang, Dielectric Studies of ZnMnTe epilayers,Annual meeting of Chinese Physical Society, 2002

99.      Y.L. Chen, Y. F. Chen, C.C. Chen, and M.Y. Yu,Photoluminescence and Roman spectroscopy of GaP and GaN nanowires, Annual meeting of Chinese Physical Society, (2002)

100.  J.S. Wu, Y.F.Chen, K.H.Chen, and L.C.Chen, Gold Silcide nanocrystals in silicon oxide nanowires. Annual meeting of Chinese Physicl Society, (2002)

101.  D.R. Hang, Y. F. Chen, and C.F. Huang, Electrically detected and microwave-modulated magnetotransport measurements on two-subband-populated AlGaN/GaN heterostructres, MRS meeting, Boston USA (2002)

102.  C.C. Chen, and Y. F. Chen, Novel properties of GaN/AlGaN quantum wells, ISBLLED, Madrid, Spain (2002)

103.  W.K. Hung, D.R. Hang, M.Y. Chern, Y. F. Chen, Electronic properties of InNAs alloys studied by spectroscopic ellipsometry , Annual meeting of Chinese Physical society, (2003)

104.  J.R. Juang, T.Y. Huang, T.M. Chen, M.G. Lin, C.T. Liang, D.R. Hang, and Y. F. Chen, Transport in a gated AlGaN/GaN electron system, Annual meeting of Chinese Physical Society, (2003)

105.  D.R. Hang, and Y. F. Chen, Microwave modulated magnetotransport in AlGaN/GaN heterostructure, 5th International Conference on Nitride Semiconductors, Kyoto, Japan (2003)

106.  Y. F. Chen, Some highlight of experimental works in Taiwan, Symposium in honor of Prof. J.K. Furdynas 70th Birthday, Notre Dame, USA (2003)

107.  Y. F. Chen, Mechanism of enhanced luminescence in InAlGaN, Ninth International Conference on Composites Engineering, San Diego USA (2003)

108.  Y. F. Chen, Optical properties of InN epifilms, First International Workshop on InN, Singapore (2003)

109.  Y. F. Chen, Giant optical anisotropy in CdSe/ZnTe type II heterostructure induced by interface chemical bonds, International Conference on II-VI compounds, Buffalo, New York (2003)

110.  J.S. Hwang, K.H. Chen, Y. F. Chen, and M.C. Lin, Unification of controversial InN band gap through quantum confinement effect, Annual Meeting of Chinese Physical Society (2004)

111.  Y. F. Chen, Enhanced optical properties from nanostructed semiconductors, Annual Meeting of Chinese Physical Society (2004)

112.  M.G. Lin, C.T. Liang, and Y. F. Chen, Microwave-modulated Shubnikov-de Hass-like oscillations in an AlGaN/GaN electron system, Annual Meeting of Chinese Physical Society (2004)

113.  J.P. Chang, T.Y. Lin, J.L. Shen, and Y. F. Chen, Effects of piton irradiation on GaN-based materials, Annual Meeting of Chinese Physical Society (2004)

114.  C.P. Huang, C.T. Liang, Y. F. Chen, and D.A. Ritchie, On the low-field insulator-quantum Hall conductor transitions, Annual Meeting of Chinese Physical Society (2004)

115.  C.C. Chang, Y.H. Chang, Y. F. Chen, and J.K. Furdyna, Effect of hydrogen passivation on the properties of GaMnAs ferromagnetic semiconductors, Annual Meeting of Chinese Physical Society (2004)

116.  C.F. Lin, J.C. Fan, K.E. Shiou, and Y. F. Chen, Enhanced sensitivity of photo thermal deflection spectroscopy by photo induced absorption and the Michelson interfere once method, Annual Meeting of Chinese Physical Society (2004)

117.  H. C. Kuo, S.C. Wang, and Y. F. Chen, Effect of Sb incorporation on optical properties of InGaAsN/GaAsN grown by MOCVD, Annual Meeting of Chinese Physical Society (2004)

118.  T.Y. Huang, C.T. Liang and Y. F. Chen, Direct measurement of the spin gaps in a gated GaAs two-dimensional electron gas, Annual Meeting of Chinese Physical Society (2004)

119.  I.S Chen, Y.C. Wang, J.C. Fan, K.J. Hsiao, and Y. F. Chen, Thermally stimulated current in self-organized InAs quantum dots, Annual Meeting of Chinese Physical Society (2005)

120.  M.F. Shih, Y.I. Huang, Y.M. Chang, Y. F. Chen, and Ikai Lo, Transport and photoluminescence studies of semi-metallic GaSb/InAs system, Annual Meeting of Chinese Physical Society (2005)

121.  C.C. Chang, P. Yang, C.S. Lee, Y.H. Chang, and Y. F. Chen, Optical and transport studies of ferromagnetic GaMnAs semicanduters, Annual Meeting of Chinese Physical Society (2005)

122.  Y. F. Chen, Optical enhancement in nanostructured semiconductors, Annual Meeting of Chinese Physical Society (2005)

123.  H.J. Chang, C.H. Chen, L. Y. Huang, Y. F. Chen, and T. Y. Lin, In-plane optical anisotropy in InGaN quantum wells by Pockels effect, Annual Meeting of Chinese Physical Society (2005)

124.  M.G. Lin, Y. F. Chen, and C.T. Liang, Amplitude dependence in microwave-assisted shubnikov-de Haas oscillations, Annual Meeting of Chinese Physical Society (2005)

125.  S.C. Chen, P.H. Chang, C.T. Liang, and Y. F. Chen, Transport measurements on MOVPE-grown InN and InGaN films, Annual Meeting of Chinese Physical Society (2005)

126.  H.T. Chang and Y. F. Chen, Pockels effect in InGan/GaN quantum wells, March Meeting of American Physical Society, Los Angels, USA (2005)

127.  S.Y. Hsia, and Y. F. Chen, Giant enhancement of photoluminescence by second harmonic surface plasma resonance, March Meeting of American Physical Society, Los Angels, USA (2005)

128.  W.S. Su, and Y. F. Chen, Light-induced dectrostatic force microscope in InN epifilms, March Meeting of American Physical Society, Los Angels, USA (2005)

129.  H. Q. Fu, and Y. F. Chen, Finding largest full gap in two-dimensional photonic crystals, March Meeting of American Physical Society, Los Angels, USA (2005)

130.  Y.F. Chen, Giant band gap emission stimulated by defect loss, International conference on composites/Nano Engineering, Colorado, USA (2006)

131.  Y.F. Chen, Novel optical properties of semiconductor nanocomposites, International workshop on nanomaterials and magnetics, Taipei, Taiwan (2006)

132.  Y.F. Chen, Novel optical properties of semiconductor nanocomposites, Workshop of nanomaterials microscope and optics, Taipei, Taiwan (2006)

133.  S.H. Yu, J.S. Wang, T.T. Chen, Y.F. Chen, and J.Y. Chi, Optical properties of vertical coupled InAs/GaAs quantum dots, Annual Meeting of Chinese Physical Society (2006)

134.  C.T. Liang, C.F. Huang, Y.H. Chang, Y.F. Chen, Hun Park, and D.A. Ritchie, Experimental evidence for phase transitions in two dimensions, Annual Meeting of Chinese Physical Society (2006)

135.  D.Z. Chen, J.Y. Lin, C.T. Liang, Y.F. Chen, M.Y. Simmons, and D.A. Ritchie, Studies of electron heating in GaAs/AlGaAs heterostructure at low temperatures using shubnikov-de Haas oscillations, Annual Meeting of Chinese Physical Society (2006)

136.  J.Y. Lin, C.T. Liang, and Y.F. Chen, Magneto transport measurements on an AlGaN/GaN two-dimensional electron system, Annual Meeting of Chinese Physical Society (2006)

137.  J.H. Chen, C.T. Liang, and Y.F. Chen, Experimental evidence for Boltzmann-Drude transport-like behavior in an GlGaN/GaN two-dimensional electron system, Annual Meeting of Chinese Physical Society (2006)

138.  J.Y. Lin, C.T. Liang, and Y.F. Chen, Electron-electron interactions in an AlGaN/GaN two-dimensional electron system, Annual Meeting of Chinese Physical Society (2006)

139.  Y..X. Chiu, Y.T. Jiang, C.T. Liang, and D.A. Ritchie, Large positive magnetoresistence in high-mobility two-dimensional electron systems at high temperatures, Annual Meeting of Chinese Physical Society (2006)

140.  Y.L. Chou, Y.F. Chen, and Y.M. Chang, The development of transient absorption spectroscopy using supercontinuum generation of photonic crystal fiber as the light source, Annual Meeting of Chinese Physical Society (2006)

141.  K.C. Chu, C.Y. Chao, and Y.F. Chen, Electrially controlled surface Plasmon resonance spectra of gold nanorods, Annual Meeting of Chinese Physical Society (2006)

142.  S.P. Fu, T.J. Lin, and Y.F. Chen, Optical properties of hydrogen-plasma treated InN thin films, Annual Meeting of Chinese Physical Society (2006)

143.  W.S. Su, C.W. Lu, and Y.F. Chen, Electrostatic force spectroscopy: Application to local electronic transitions in InN epifilms, Annual Meeting of Chinese Physical Society (2006)

144.  H.Y. Lin, Y.F. Chen, and C.C. Chen, Carrier transfer induced photoluminescence enhancement change in metal-semiconductor core-shell nanostructures, Annunal Meeting of Chinese Physical Society (2006)

145.  K.S. Cho, and Y.F. Chen, Magneto-optical properties of AlGaN/GaN single quantum well, Annual Meeting of Chinese Physical Society (2006)

146.  Y.F. Chen, Novel optical properties of semiconductor nanocomposites, OPT 2006 (2006)

147.  W. Hung, D. R. Hang, D. Liu, M. Chern, Y.F. Chen, D. Shih, and H. Lin, Optical studies of dilute InNAs grown by molecular beam epitaxy, MBE 2006, Tokyo, Japan (2006)

148.  Y.P. Hsieh, J.W. Chen, H.Y. Lin, C.T. Liang, and Y.F. Chen, Influence of the incorporation of metals on the optical properties of MCM-41, ISPSA 2006, Jeiu, Korea (2006)

149.  Y.F. Chen, Liquid crystals device with build-in solar cells, Annal Meeting of Chinese Physical Society (2007)

150.  Y.F. Chen, Carrier relaxation dynamics in II-VI semiconductor quantum dots, San Jose, California USA (2007)

 

 


C.       Invited Talks at Professional Conferences:

 

1.          Y. F. Chen, ''Interference of magnetic-dipole and electric-dipole in semiconductors.'' The 6th ROC-ROK symposium on condensed matters and statistical physics, Taipei, Taiwan, 1990.

2.          Y. F. Chen, ''Hydrogen in crystalline semiconductors.'' Annual meetiong of Chinese Physical Society, TamKang University, Tamsui, Taiwan, 1991

3.          Y. F. Chen, 'Connection between mayer-neldel rule and stretched-exponential relaxation'', symposium on Trends in Condensed Matter and Applied Physics, National Taiwan University, Taipei, Taiwan, 1991

4.          Y. F. Chen, ''Hydrogenation in crystalline semiconductors by photo-chemical vapor deposition method', International Conference on Physics of Semiconductors, Beijing, China, 1992.

5.          Y. F. Chen, J. L. Shen, and L. Y. Lin, ''Photothermal luminescence and dual-beam photoluminescence: their application to the study of energy levels in GaAs/AlxGa1-xAs quantum wells'' The second Taiwan-Japan Workshop on Solid-State Optical Spectroscopy, Osaka, Japan, 1992.

6.          Y. F. Chen, J. L. Shen, and L. Y. Lin, ''Photothermal luminescence and dual-beam photoluminescence: their application to the study of energy levels in GaAs/AlxGa1-xAs quantum wells'' Seoul International Symposium on the Physics of Semiconductors and Applications, Seoul, Korea, 1992.

7.          Y. F. Chen, J. L. Shen, and L. Y. Lin, ''Observation of standing-wave formation in GaAs/AlxGa1-xAs quantum wells by photothermal luminescence'',Annual meetiong of Chinese Physical Society, National Chung Cheng University, Chia-Yi, Taiwan, 1993

8.          Y. F. Chen, ''Hydrogenation in crystalline semiconductors by photo-chemical vapor deposition method', International Symposium on Surface and Thin Film Science, Academic Sinica, Taipei,Taiwan,1993

9.          Y. F. Chen, and J. L. Shen '' Photoluminescence study of mismatched In0.53Ga0.47As epilayers qrown on InP coated GaAs substrated'' Annual Meeting of Chinese Physical Society, National Sun Yat-Sen University, Kaohsing, Taiwan, 1995

10.      Y. F. Chen, ''Some experimental works on semiconductor physics.'' Symposium on Contemporary Physics, Taipei, Taiwan, 1996

11.      H. M. Chen and Y. F. Chen, '' Yellow luminescence in n-type GaN films'', Annual Meeting of Chinese Physical Society, National Central University, Chunh-Li, Taiwan, 1998

12.      H. M. Chen and Y. F. Chen, '' Metastability of defects in GaN epitaxial films'', Progress in Electromagnetic Research Symposium, National Central University, Chunh-Li, Taiwan, 1999

13.      Y. F. Chen, '' Recent development in GaN-based materials'' Third conference of Overseas Chinese Physical Association, Atlanta, U.S.A., 1999

14.      Y. F. Chen, '' Application of optical detected cyclotron resonance in semiconductors'', 7th internation Workshop and School: nonlinear dynamics and complex system, Minsk, Belarus, 1999

15.      Y. F. Chen and T. Y. Lin, Exciton localization and Stokes shift in undoped InGaN/GaN quantum wells, Optoelectronics 2000, San Jose, Colifornia, USA., 2000

16.      Y. F. Chen, H. C. Yang, and T. Y. Lin, Luminescence mechanism in InGaN/GaN quantum wells The 8th Asia Pacific Physics Conference, Taipei, Taiwan, 2000.

17.      Y. F. Chen, H. C. Yang, and T. Y. Lin, Evidence of lumienescence from In Clusters in InGaN/GaN quantum wells, the second nanostructural materials conference, Taipei, Taiwan, 2000.

18.      Y. F. Chen, Mechanism and improvement of luminescence in InAsN/InGaAs quantum wells International Narrow Gap Nitride Workshop, Singapore, 2001.

19.      Y. F. Chen, Optoelectronic properties of nanostructured nitride semiconductors International Nanotechnology Form, Hsin-Tsu, Taiwan, 2001.

20.      Y. F. Chen, Localization induced luminescence and many body effects in Si MOS structure, The 8th IUMRS International Conference on Electronic Materials, Xian, China, 2002.

21.      Y. F. Chen, Some highlight of experimental works in Taiwan, Symposium in honor of Prof. J.K. Furdynas 70th Birthday, Notre Dame, USA (2003)

22.      Y. F. Chen, Mechanism of enhanced luminescence in InAlGaN, Ninth International Conference on Composites Engineering, San Diego USA (2003)

23.      Y. F. Chen, Optical properties of InN films, First International Workshop on InN, Singapore (2003).

24.      Y. F. Chen, Optical properties in nanostructured semiconductors, Annual Meeting of Chinese Physical Society (2004)

25.      Y. F. Chen, Optical enhancement in patterned semiconductors, Annual Meeting of  Chinese Physical Society (2005)

26.      Y.F. Chen, Giant band gap emission stimulated by defect loss, International conference on composites/Nano Engineering, Colorado, USA (2006)

27.      Y.F. Chen Novel optical properties of semiconductor nanocomposites, International workshop on nanomaterials microscope and optics, Taipei, Taiwan (2006)

28.      Y.F. Chen Novel optical properties of semiconductor nanocomposites, Workshop on nanomaterials and magnetics, Taipei, Taiwan (2006)

29.      Y.F. Chen Novel optical properties of semiconductor nanocomposites, OPT 2006, Hsin-Chu, Taiwan (2006)

30.      Y.F. Chen Liquid crystals devices with build-in solar cells, Annual Meeting of Chinese Physical Society (2007)

31.      Y.F. Chen, Carrier Relaxation Dynamics in II-VI semiconductor quantum dots, Photonic West, San Jose, California USA (2007)

 

D.     Patens Right:

 

1.      Crystalline SiCN with a direct optical band gap of 3.8eV, U.S. patent 5935705 (1999).

2.      A new wide-band gap semiconductor: SiCN, ROC patent 451499 (2001).