Correlation between the Spin State and Structure of Self-Trapped Excitons in Alkali Halides
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概要
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In order to clarify the origin of the preferential relaxation of singlet self-trapped excitons (STEs) into the on-center configuration in alkali halides, we have studied variation of exchange splitting energy along the relaxation path from the on-center to the off-center configurations using a simple phenomenological model. Estimated exchange energy is several tens of meV both at the on-center and off-center configurations, and takes its maximum in between. It provides a larger potential barrier intervening between the on- and off-center minima for the singlet STE than that for the triplet STE. This will inhibit the singlet STE to be relaxed into the off-center configuration.
- 社団法人日本物理学会の論文
- 1995-01-15
著者
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Matsumoto T
Kyoto Univ. Kyoto
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SHIRAI Masanobu
Department of Physics, Kyoto University
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Kanno K
Department Of Material Science And Chemistry Wakayamna University
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Shirai Masanobu
Department Of Physics Faculty Of Science Kyoto University
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Matsumoto T
National Research Institute For Metals
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Matsumoto T
Materials Engineering Laboratory National Institute Of Materials Science
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Matsumoto T
Institute For Solid State Physics The University Of Tokyo
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Matsumoto Tamao
Department of Physics, Kyoto University
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Matsumoto Tamao
Department Of Physics Faculty Of Science Kyoto University
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Matsumoto Takehiko
Institute For Solid State Physics The University Of Tokyo
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Kan'no Ken-ichi
Department Of Physics Faculty Of Science Kyoto University
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Kan′no Ken-ichi
Department of Physics, Kyoto University
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KAN'NO Ken-ichi
Department of Material Science and Chemistry, Wakayamna University
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Kan′no Ken-ichi
Department of Material Science and Chemistry, Wakayamna University
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