Far-Infrared Magneto-Absorptions in Photo-Excited Germanium
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概要
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The properties of photo-generated carriers in pure germanium have been studied by means of magneto-absorptions of far-infrared laser radiations. Remarkable variations of the spectra with temperature are ascribed to the phase transition of free excitons into electron hole drops (EHD). An attempt has been made to establish a correspondence between the exciton Zeeman lines and the cyclotron resonance lines in the quantum limit on the basis of an adiabatic picture for the Coulomb interaction. Resonance effects of EHD are discussed using Mie's theory and compared with observed results. A non-resonant oscillation of the EHD absorption against magnetic field has been observed, which allows us to estimate the equilibrium carrier density of EHD.
- 社団法人日本物理学会の論文
- 1976-04-15
著者
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MURO Kiyofumi
Department of Material Physics
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Muro Kiyofumi
Department Of Material Physics Faculty Of Engineering Science Osaka University
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MURO Kiyohumi
Department of Material Physics, Faculty of Engineering Science, Osaka University
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Nishida Yosio
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Nisida Y
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Nisida Yosio
Department Of Material Physics Engineering Science Osaka University
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Muro Kiyofumi
Department of Material Physics, Faculty of Engineering Science, Osaka University
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