Optical Properties of Magnetic Exciton States in Europium-Chalcogenides
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概要
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Various optical properties of naagnetic exciton states in Eu-chalcogenides areinvestigated theoretically on the basis of detailed electronic band structures. Theexcited 5d(tz.) state extends from the central Eu ton onto the neighbouring ones bythe amount of 40'-10%. This requires the treatment based on the detailed atomicmodel of the 5d and 4f electrons. The calculated results agree satisfactory withexperimental data, such as the intensity, structures, the kinetic shift, the anomalousmagnetic red shift and magneto-optical effects, for the broad band at the lowenergy end of the absorption spectrum. The calculated properties are not sensi-tive to the energy position of the exciton state relative to those of 6s band of Euand p bands of chalcogen.
- 社団法人日本物理学会の論文
- 1977-02-15
著者
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Kasuya Tadao
Department Of Physics Faculty Of Science Tohoku University
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Sakai Osamu
The Research Institute For Iron Steel And Other Metals Tohoku University
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Yanase Akira
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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