Exciton Absorption Lines in Antiferromagnetic DyCrO_3
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概要
- 論文の詳細を見る
The absorpton spectrum of DyCrO_3 in the red region was studied with and without a magnetic field. From the Zeeman spectrum of a Dy^<3+> ion, the anisotropy axis of a Dy^<3÷> ion was determined to be directed along the axis deviated by ±30° from the b-axis in the ab-plane. The magnitudes of the excitation transfer between the Cr^<3+> ions with parallel spin (0.25cm^<-1>) and with antiparallel spin (0cm^<-1>) were obtained by analyzing the exciton lines associated with the Cr^<3+> l^3_<3p> ^4A_<2g>→l^3_<2g> ^2E_g transition. Remarkable shift of the exciton lines were observed in magnetic fields parallel to the b-axis. Magnetic-field dependence of these shift indicated that they were induced by some Dy^<3+>-Cr^<3+> interaction. An electric-depole line creating a Cr^<3+> exciton and a Dy^<3+> spin flip was also observed, from which a negative dispersion of the Cr^<3+> exciton was found to be at least -16cmCr^<-1>.
- 社団法人日本物理学会の論文
- 1971-11-05
著者
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TSUJIKAWA Ikuji
Department of Chemistry,Faculty of Science,Kyoto University
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TSUSHIMA Kuniro
Broadcasting Science Research Laboratories of Nippon Hoso Kyokai (Japan Broadcasting Corporation)
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Tsushima Kuniro
Department of Computer Science and Electronics, Kyushu Institute of Technology
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Aoyagi K
Yamagata Univ. Yamagata
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Tsujikawa I
Kyoto Univ. Kyoto
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Tsujikawa Ikuji
Department Of Chemisity Faculty Of Science Kyoto University
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Tsushima Kuniro
Broadcasting Science Research Laboratories Of Japan Broadcasting Cooperation
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Tsushima K
Department Of Computer Science And Electronics Kyushu Institute Of Technology
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Tsushima K
Nhk Science And Technical Research Laboratories
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Tsushima Kuniro
Broadcasting Science Research Laboratories O Nhk
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SUGANO Satoru
Institute for Solid State Physics, The University of Tokyo
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UESAKA Yasutaro
Department of Chemistry, Kyoto University
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AOYAGI Kiyoshi
Broadcasting Science Research Laboratories of NHK
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Sugano Satoru
Institute For Solid Physics University Of Tokyo
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Uesaka Yasutaro
Department Of Chemistry Kyoto University
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Uesaka Yasutaro
Department Of Chemistry Faculty Of Science Kyoto University
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