Far-Infrared Magnetooptical Study of Semi-Insulating Gallium Arsenide : A New Model for the Metastable State of EL2
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概要
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Measurements of the far-infrared magnetooptical absorption in various semi-instulating GaAs crystals have been carried out at 4.2 K under photo-excitation. Unexpected new features are 1) dipole formation of impurities in Cr- and In-doped crystals and 2) photo-quenching of the Zeeman absorption of shallow donors in LEC-grown crystals. Based on our experimental results, we propose a new model of a complex center consisting of a shallow donor drawing to its neighborhood the EL2 center that is raised to its metastable state.
- 社団法人応用物理学会の論文
- 1985-08-20
著者
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Otsuka Eizo
Department of Applied Physics, Osaka University
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NAKATA Hiroyasu
Department of Physics, Graduate School of Science, Osaka University
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OHYAMA Tyuzi
Department of Physics, Graduate School of Science, Osaka University
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Ohyama Tyuzi
Department Of Physics College Of General Education Osaka University
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Nakata Hiroyasu
Department Molecular Cell Signaling Tokyo Metropolitan Institute For Neuroscience
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Otsuka Eizo
Department Of Applied Physics Osaka City University
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OTSUKA Eizo
Department of Physics, College of General Education, Osaka University
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