Optical Spectra of Inorganic-Organic Compounds (C<sub>2</sub>H<sub>5</sub>NH<sub>3</sub>)<sub>2</sub>CdCl<sub>4</sub> in 3–30 eV Range
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- Ohnishi Akimasa
- Department of Physics, Faculty of Science, Yamagata University, Kojirakawa, Yamagata 990-8560
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- Tanaka Ken-ichi
- Department of Physics, Faculty of Science, Yamagata University, Kojirakawa, Yamagata 990-8560
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- Kitaura Mamoru
- Fukui National College of Technology, Geshi, Sabae 916-8507
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- Otomo Takafumi
- Department of Physics, Faculty of Science, Yamagata University, Kojirakawa, Yamagata 990-8560
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- Yoshinari Takehisa
- Department of Physics, Faculty of Science, Yamagata University, Kojirakawa, Yamagata 990-8560
書誌事項
- タイトル別名
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- Optical Spectra of Inorganic-Organic Compounds (C2H5NH3)2CdCl4 in 3-30 eV Range.
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抄録
Reflection spectra of (C2H5NH3)2CdCl4 single crystals have been investigated in the range of 3-30 eV using synchrotron radiation. Two kinds of exciton bands with the splitting of the order of 0.1 eV, which is almost equal to the spin-orbit splitting of a Cl atom, are observed at 6.19 and 8.20 eV at 7 K. These bands are located at the energy positions close to the lowest exciton bands of CdCl2 and C2H5NH3Cl crystals, respectively. On rising the sample temperatures, the 8.20 eV band shows a discontinuous peak-shift of 0.1 eV around the temperature where a structural phase transition occurs, while such a result is not observed for the 6.19 eV band. The 6.19 eV band is assigned to the electronic transition from the Cl- 3p valence band to the lower Cd2+ 5s conduction band, and the 8.20 eV band to that from the Cl- 3p valence band to the upper NH3- s-like conduction band.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 70 (11), 3424-3427, 2001
一般社団法人 日本物理学会
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キーワード
- ethyl-ammonium cadmium chloride
- (C<FONT SIZE="-1"><SUB>2</SUB></FONT>H<FONT SIZE="-1"><SUB>5</SUB></FONT>NH<FONT SIZE="-1"><SUB>3</SUB></FONT>)<FONT SIZE="-1"><SUB>2</SUB></FONT>CdCl<FONT SIZE="-1"><SUB>4</SUB></FONT>
- layered materials
- reflection spectra
- optical constants
- X-ray photoelectron spectroscopy
- XPS
- excitons
詳細情報 詳細情報について
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- CRID
- 1390001204183248512
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- NII論文ID
- 210000103435
- 10009123876
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2001JPSJ...70.3424O
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 5980026
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可