Optical Activity of Iron Group Selenate Crystals. : I. Experimental Studies
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概要
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The absorption, circular dichroism (CD) and optical rotatory dispersion (ORD) of ZnSeO_4・6H_2O crystals, those doped with Cu^<2+>, Ni^<2+> and Co^<2+> ions, and NiSeO_4・6H_2O crystals are measured in the 200-1500 mμ region at room temperature and 77 K. Several CD bands ascribed to the spin allowed d-d transitions are observed and the concomitant ORD curves are antisymmetric about the center of each CD band. The CD of NiSeO_4・6H_2O-ZnSeO_4・6H_2O mixed crystals depends linearly on the Ni^<2+> ion concentration, and the helical arrangement of metal ions is found not to be essential for the optical activity. It is concluded that the optical activity of these crystals is caused by the asymmetric field on the metal ions.
- 社団法人日本物理学会の論文
- 1972-01-05
著者
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Tsujikawa Ikuji
Department Of Chemisity Faculty Of Science Kyoto University
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Ban Toshiro
Department Of Chemisity Faculty Of Science Kyoto University
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KATO Toshiko
Department of Chemistry, Faculty of Science, Kyoto University
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Kato Toshiko
Department Of Chemistry Faculty Of Science Kyoto University
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