Reflection Spectra of PbCl_2 in the Exciton Region
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概要
- 論文の詳細を見る
The reflection spectra of orthorhombic PbCl_2 crystals are studied in the exciton region with linearly polarized light at 2 K. It is found that the exciton band splits into two in the spectra obtained with the polarized lights along b- and c-axes. This splitting is explained as due to a cmbined effect of the crystal feld and the Davydov-type interaction of the excitons. The latter effect arises from the fact that the unit contains four PbCl_2 molecules different in their orientation. When light propagation in crystal does not coincide with any of crystal axes, an additional structure appears on the higher energy side of the main band, which is attributed to a complex exciton polariton mode peculiar to anisotropic crystals.
- 社団法人日本物理学会の論文
- 1976-09-15
著者
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Takezoe Hideo
Instirure For Optical Research Kyoiku University
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KANBE Jun-ichiro
Institute for Optical Research,Kyoiku University
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Onaka Ryumyo
Institute For Optical Research Kupiku University
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Kanbe Jun-ichiro
Institute For Optical Research Kyoiku University
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Onaka Ryumyo
Instirure For Optical Research Kyoiku University
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