Exciton Luminescence in Tin Dioxide Single Crystals
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概要
- 論文の詳細を見る
The exciton spectra of SnO_2 single crystals with the low and high concentrations of the oxygen vacancies (OV) are investigated. The series of luminescence lines adjacent to the lowest free exciton states (the excitons localized by the isolated OV and OV clusters) increases superlinearly with the optical excitation level. It is shown that the luminescence spectra of SnO_2 can be described as the zero-phonon and one LO-phonon assisted anihilation of the free and localized excitons. The shape of LO-phonon replicas of the free exciton luminescence corresponds to Maxwellian distribution of the excitons which have the effective temperature significantly higher than the lattice temperature in the case of pulse excitation level 10^6-10^7 W/cm^2.
- 社団法人日本物理学会の論文
- 1993-12-15
著者
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Aguekian F.
Institute Of Physics Sankt-petersburg State University
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KOMATSU Teruo
Department of Physics, Osaka City University
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KARASAWA Tsutomu
Department of Physics, Graduate School of Science, Osaka City University
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Stepanov A.
Institute of Physics, Sankt-Petersburg State University
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Akai Ichirou
Department of Physics, Osaka City University
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Karasawa Tsutomu
Department Of Physics Osaka City University
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Karasawa Tsutomu
Department Of Physics Faculty Of Science Osaka City University
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Stepanov A.
Institute Of Physics Sankt-petersburg State University
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Akai Ichirou
Department Of Physics Osaka City University
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Komatsu Teruo
Department Of Physics Faculty Of Science Osaka City University
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Komatsu Teruo
Department Of Physics Osaka City University
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Karasawa Tsutomu
Department Of Applied Physics Nagoya University
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Aguekian Vadim.F.
Institute of Physics, Sankt-Petersburg State University
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