Infrared Optical Properties of Antiferromagnetic Semiconductor MnTe_2
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概要
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The infrared reflection and absorption spectra of antiferromagnetic semiconductor MnTe_2 were measured in the energy range 33 cm^<-1>∼330cm^<-1>, and four optical phonon bands were observed near 140.5 cm^<-1>, 150 cm^<-1>, 159 cm^<-1>, and 164 cm^<-1>. The optical constants were calculated by Kramers-Kronig analysis, and were also analyzed by the classical oscllator model. From the dielectric constants, longitudinal and transverse optical phonon frequencies are estimated. In sddition the Szigeti's effective charge is calculated to be (0.62±0.05)e. Which shows the larzer ionicity of this compound in comparison with FeS_2 etc.
- 社団法人日本物理学会の論文
- 1974-12-15
著者
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ONARI Seinosuke
Institute of Applied Physics, The University of Tsukuba
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ARAI Toshihiro
Institute of Applied Physics, The University of Tsukuba
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KUDO Keiei
Institute for Optics, Tokyo Kyoiku University
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Kudo Keiei
Institute For Optical Research Tokyo Kyoiku University
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Kudo Keiei
Institute For Optical Research Tokyo University Of Education
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Kudo Keiei
Institte For Optical Research Kyoiku University
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Arai Toshihiro
Institute For Optical Research Tokyo Kyoiku University
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Arai Toshihiro
Institute For Optical Research Kyoiku University
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Arai Toshihiro
Institute For Optical Research Tokyo University Of Education
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Onari Seinosuke
Institute For Optical Research Tokyo University Of Education
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Arai Toshihiro
Institte For Optical Research Kyoiku University
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