Emission of Cuprous Halide Crystals at High Density Excitation
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概要
- 論文の詳細を見る
Super-linear luminescences of cuprous halide crystals under the high density excitation by an N_2-laser have been studied at temperatures above 100 K, where excitons and free charge carriers are considered to co-exist. A new emission, which is called H band, is found in CuCl, CuBr and CuI crystals. The H band has an asymmetric shape tailing to the low energy side. The peak energy, measured from the exciton band, varies linearly with temperature. By assuming that the emission is due to the interaction of exciton with free electron, the properties of the H band are explained and the effective masses of the electron and hole are obtained as m_e=0.43 m_o, m_h=4.2 m_o in CuCl, m_e=0.28 m_o, m_h=1.4 m_o in CuBr and m_e=0.33 m_o, m_h=14 m_o in CuI crystals.
- 社団法人日本物理学会の論文
- 1973-03-05
著者
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Yu Chong
Department Of Physics Faculty Of Science Tohoku University
-
Goto Takenari
Department Of Physics Faculty Of Science Tohoku University
-
Ueta Masayasu
Department Of Physics Faculty Of Science Tohoku University
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Ueta Masayasu
Department Of Physics Faculity Of Science Tohoku University
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Chong In
Department of Physics, Faculty of Science, Tohoku University
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