Temperature Dependence of Exciton Reflection Spectra in Monoclinic Zinc Diphosphide
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概要
- 論文の詳細を見る
Reflection spectra near the fundamental edge of monoclinic ZnP. crystal have beenmeasured at various temperatures from 2 K to 200 K. As the temperature is raisedfrom 2 to 80 K, minimum value of the reflectivity R,..,. due to the lowest Is exciton isfound to decrease. The 7?,..,. tturns to increase above 80 K. The model calculations ofreflection spectra based on the dead layer model are perl'ormed for different values ofthe exciton dissipative damping constants. The analysis of the reflection spectra ob-tained at various temperatures reveals that this change of the spectra results frommonotonical increase of the exciton damping with increasing temperature in the existence of exciton-free "dead layer". It is suggested that the main contribution to theexciton damping is the scattering by phonons.monoclinic ZnP., exciton polariton, reflectivity, damping, dead layer
- 社団法人日本物理学会の論文
- 1991-12-15
著者
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NAKAMURA Kaizo
Department of Physics,Faculty of Science,Okayama University
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Arimoto Osamu
Department of Physics, Faculty of Science, Okayama University
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Arimoto Osamu
Department Of Physics Faculty Of Science Okayama University
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Tachiki Minoru
School Of Science And Engineering:crest Jst (japan Science And Technology Corporation)
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Tachiki Minoru
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University
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Nakamura Kaizo
Department Of Physics Faci4ty Of Science Kyoto University
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Takeuchi Daisuke
Energy Technology Research Institute National Institute Of Advanced Industrial Science And Technolog
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Tachiki M
Energy Technology Research Institute National Institute Of Advanced Industrial Science And Technolog
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Taniuchi Hirotada
School Of Science And Engineering Waseda University
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