Pressure-Induced Transformation of Excitons in AgBr_<1-X>Cl_x
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概要
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Pressure dependence of photoluminescence and absorption spectra inAgBr.-,Cl. (.v=1.0, 0.6 and 0.15) is investigated, using a diamond anvil cellwith Nz as pressure medium in order to generate good quality of hydrostatic pres-sure at 1.5 K. Pressure coefficients of self-trapped exciton states in AgCl,AgBr...CI.., and that of free exciton state in AgBr..g 5 C1...5 are determined.After initial self-trapped exciton disappears at high pressures, new emission bandsare found to appear in AgCI and AgBr...Cl.... These phenomena are ascribedto pressure-induced phase transition of excitons without accompanying a changeof crystal structures.
- 社団法人日本物理学会の論文
- 1985-06-15
著者
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Kobayashi Michihiro
Department Of Material Physics
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Yokoyama T
Department Of Chemistry Graduate School Of Science The University Of Tokyo
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YOKOYAMA Teruo
Department of Material Physics,Faculty of Engineering Science,Osaka University
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Kobayashi Michihiro
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University
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Yokoyama Teruo
Department Of Material Physics Faculty Of Engineering Science Osaka University
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Yokoyama Teruo
Department of Chemistry, Graduate School of Science, The University of Tokyo
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