Nonradiative Investigation of Hole Photoionization Spectrum of EL2 in Carbon Concentration Controlled Semi-Insulating GaAs

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概要

• 論文の詳細を見る

• Piezoelectric photoacovustic (PPA) measturements were carried out before and after secondary light illumination to investigate EL=2 in carbon concentration controlled semi-insulating (SI) GaAs. The PPA spectra before secondary light illumination show a broad peak around 0.95 eV and a hump LIP to tire band gap energy and are attributed to hole and electron photoionizations of EL2, respectively. The photoionization spectra of EL2 were obtained from PPA measurements. We also found that the hole photoionization of EL2 is not influenced by secondary light illumination even after a long period of illumination.

• 社団法人応用物理学会の論文
• 1997-06-01

著者

• MAEDA Kouji

  Department of Mechanical and System Engineering, University of Hyogo

• Ikari T

  Miyazaki Univ. Miyazaki Jpn

• Ikari Tetsuo

  Department Of Electronic Engineering Miyazaki University

• Ikari Tetsuo

  Department Of Electrical And Electronic Engineering Miyazaki University

• Ikari Tetsuo

  Department Of Electrical And Electronic Engineering University Of Miyazaki

• Yoshino Kenji

  Department Of Electrical And Electronic Engineering Miyazaki University

• Yoshino Kenji

  Department Of Anatomy Nihon University School Of Dentistry At Matsudo

• Maeda K

  Department Of Electrical And Electronic Engineering Miyazaki University

• AKASHI Yoshito

  Department of Materials Engineering, Miyazaki University

• FUKUYAMA Atsuhiko

  Department of Electronics, Miyazaki University

• Maeda Kouji

  Department Of Electrical And Electronic Engineering Miyazaki University

• Akashi Yoshito

  Department Of Materials Science Faculty Of Engineering Miyazaki University

• Akashi Yoshito

  Department Of Applied Physics Faculty Of Engineering Kyushu University

• FUKUYAMA Atsuhiko

  Faculty of Engineering, Miyazaki University

• Fukuyama A

  Miyazaki Univ. Miyazaki Jpn

• Fukuyama Atsuhiko

  Department Of Materials Science Miyazaki University

• MOROOKA Yukihiro

  Department of Electrical and Electronic Engineering, Miyazaki University

• Maeda Kouji

  Department Of Cardiology Hiroshima General Hospital

• Morooka Yukihiro

  Department Of Electrical And Electronic Engineering Miyazaki University

• Fukuyama Atsuhiko

  Department of Applied Physics, Miyazaki University, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan

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