吉野 賢二、碇 哲雄

宮崎大学 工学部 電気電子工学科 電子基礎工学講座 電子材料研究室

　〒889-2192　宮崎市学園木花台西1-1

　TEL （0985）58-2811（内線4412）１７時まで

　FAX （0985）58-2876

　E-Mail yoshino@pem.miyazaki-u.ac.jp

　URL http://www.pem.miyazaki-u.ac.jp/pemhome.html

1 Nonradiative Investgation of Hole Photoionization Spectrum of EL2 in

Semi-Insulatig GaAs

T. Ikari, A. Fukuyama, Y. Morooka, K. Yoshino, K. Maeda and Y. Akashi

Symposium Proceedings of Material Research Society 442 (1997) 423-427

2 Effect of the Carbon Acceptor Concentration of the Photoquenching and

Enhancement of the Piezoelectric Photoacoustic Signals of Semi-

Insulatig GaAs

A. Fukuyama, Y. Morooka, Y. Akashi, K. Yoshino, K. Maeda and T. Ikari

Symposium Proceedings of Material Research Society 442 (1997) 459-464

3 Effect of the Carbon Acceptor Concentration on the Photoquenching

and Following Enhancement of the Photoacoustic of Semi-Insulating GaAs

A. Fukuyama, Y. Morooka, Y. Akashi, K. Yoshino, K. Maeda and T. Ikari

Journal of Applied Physics 81 (1997) 7567-7574

4 Nonradiative Investigation of Hole Photonization Spectrum of EL2 in

Carbon Concentration Controlled Semi-Insulating GaAs

A. Fukuyama, Y. Morooka, Y. Akashi, K. Yoshino, K. Maeda and T. Ikari

Japanese Journal of Applied Physics 36 (1997) L650-653

5 Temperature Dependence of Photoacoustic Spectra in CuInSe2 Thin

Films Grown by Molecular Beam Epitaxy

K. Yoshino, T. Shimizu, A. Fukuyama, K. Maeda, P. J. Fons, A.

Yamada, S. NIki and T. Ikari

Solor Energy Materials and Solar Cells 50 (1998) 127-132

6 Photoacoustic Spectra in Zincselenide Thin Films Grown

by Molecular Beam Epitaxy

K. Yoshino, A. Fukuyama, M. Yoneta, M. Ohishi, H. Saito and T. Ikari1

Journal of Microelectric Engineering 43/44 (1998) 689-693

7 Deep Levels in ZnSe Epitaxial Layers Examined by Piezoelectric

Photoacoustic Spectroscopy

K. Yoshino, Y. Nakagawa, A. Fukuyama, K. Maeda, M. Yoneta, H. Saito,

M. Ohishi and T. Ikari

Journal of Crystal Growth 184/185 (1998) 1151-1154

8 Piezoelectric Photoacoustic Spectra of Bulk CuIn3Se5 Crystals

Grown by the Traveling Heater Method

K.Yoshino, M. Kawahara, D. Maruoka, A. Fukuyama, K. Maeda, H. Miyake,

K. Sugiyama and Tetsuo Ikari

Institute of Physics Conference Series 152 (1998) 609-61 (Proc.
ICTMC-11, Salford)

9 Dependence of Cu/In Ratio on the Optical Properties of CuInSe2

Epitaxial Layers Examined by Piezoelectric Photoacoustic

Spectroscopy

T. Ikari, K. Yoshino, T. Shimizu, A. Fukuyama, K. Maeda, P. J. Fons,

A. Yamada and S. Niki

Institute of Physics Conference Series 152 (1998) 511-514 (Proc.
ICTMC-11, Salford)

10 Piezoelectric Photoacoustic Spectra of CuGaSe2 Thin Films Grown by

Molecular Beam Epitaxy

K. Yoshino, D. Maruoka, M. Kawahara, A. Fukuyama, P. J. Fons, S. Niki,

A. Yamada and T. Ikari

Symposium Proceedings of Material Research Society 485 (1998) 151-155

11 Photoacoustic Study of the Effect of 0.9 eV Light Illuminationin
Semi-Insulating GaAs

A. Fukuyama, Y. Akashi, K. Yoshino, K. Maeda and T. Ikari

Symposium Proceedings of Material Research Society 484 (1998) 601-606

12 Piezoelectric photoacoustic studies of optical recovery of metastable
states related
to EL2 and EL6 levels in semi-insulating GaAs
A. Fukuyama, Y. Akashi, K.Yoshino, K. Maeda and T. Ikari
Physical Review B 58 (1998) 12868-12875

13 Nonradiative Electron-Hole Recombination in p- and n-type ZnSe
Epitaxial Layers Examined by Piezoelectric Photoacoustic Spectroscopy
K. Yoshino, A. Fukuyama, K. Maeda, H. Ishikura, T. Abe, K. Ando,
M. Yoneta, H. Saito,M. Ohishi and T. Ikari
Symposium Proceedings of Blue Laser and Light Emitting Diode 2
(1998) 592-595

14 Nonradiatve Carrier Recombination in p-type ZnSe Thin Films Grown by
Molecular Beam Epitaxy
K. Yoshino, Ya. Nakagawa, A. Fukuyama1, K. Maeda, H. Ishikura, T.
Abe, K. Ando and T. Ikari
Physica Status Soldi (b) 210 (1998) 491-495

15 Piezoelectric Photoacoustic Spectra of Cu-In-Se Crystals Grown by the
Traveling Heater Method
K. Yoshino, M. Kawahara, A. Fukuyama, K. Maeda, H. Miyake, K.
Sugiyama and T. Ikari
Symposium Proceedings of Photoacoustic and Photothermal Phenomena
(1999) 280-282

16 Thermal Recovery of the Metastable state of deep lying defect level
EL2 in GaAs investigated by Piezoelectric Photoacoustic technique
T. Ikari, Y. Tabuchi, A. Fukuyama, K. Yoshino and K. Maeda
Symposium Proceedings of Photoacoustic and Photothermal Phenomena
(1999) 244-246

17 Piezoelectric Photoacoustic Spectra of Bulk CuInS2 Single Crystals
Grown by the Traveling Heater Method
K. Yoshino, M. Nishimoto, A. Fukuyama, K. Maeda, H. Miyake, K.
Sugiyama and T. Ikari
Symposium Proceedings of IEEE Ultrasonics (1999) 1239-1242

18 Piezoelectric Photoacoustic Study of AlGaAs Epitaxial Layer (X=0.22,
0.28, 0.5) Grown on Semi-insulating GaAs Substrate
A. Fukuyama, H. Fukuhara, Y. Akashi, K. Yoshino, K. Maeda and T.Ikari
Symposium Proceedings of IEEE Ultrasonics (1999) 1235-1238

19 Piezoelectric Photoacoustic Spectra of CuInSe2 Thin Films Grown by
Molecular Beam Epitaxy
K. Yoshino, D. Maruoka, A. Fukuyama, K. Maeda, P. J. Fons, A. Yamada, S. Niki and T. Ikari
Thin Solid Films (1999) (in press)