Phonon-Induced Spin-Dependent Infrared Absorption in KNiF_3

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概要

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• A temperature-dependent absorption band was observed in the infrared region for KNiF_3 below the Neel temperature (T_N=275°K). The peak is located at 1230cm^<1> at 100°K and shifts to the longer wave-length side with increasing temperature. This band can be attributed to a phonon-induced electric dipole transition of the spin system which has been discussed by Mizuno and Koide. The exchange parameter for KN_iF_3 is determined from the peak position to be J=52.3°K or 55.3°K.

• 社団法人日本物理学会の論文
• 1966-12-05

著者

• Tsuchida Atsushi

  Department Of Metabolic Diseases Graduate School Of Medicine University Of Tokyo

• Tsuchida Atsushi

  Department Of Physics Faculty Of Science University Of Tokyo

• Tsuchida A.

  Department of Physics, Faculty of Science, University of Tokyo

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• Phonon-Induced Spin-Dependent Infrared Absorption in KNiF_3

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