Exchange Splitting of ^3T_<2g> Band in Antiferromagnetic KNiF_3

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概要

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• Absorption spectra of the 'T.. band in KNiF., KMgF. : 1.5 3Ni and K.NiF.are measured at 2 K. In the antiferromagnetic KNiF., splitting of the r. ntncin the 'T.. band is observed. Large linear dichroic spectra are obtained in the'T.. band of KNiF3 under the (001) and<(III) stress. This linear dichroism isinduced by the movement of domain walls so as to align spins along the appliedstress. The stress effect of the split T 3 I ines is explained by the exchange interactionin the 'T.. state. The exchange constant J' is determined to be 7.5 cm- " forspins aligned along the (001) direction, and 8.7cm-" for spins aligned alongthe<(111) direction.

• 社団法人日本物理学会の論文
• 1981-05-15

著者

• Bandai T

  Kanagawa Inst. Technol.

• Bandai Toshio

  Ikutoku Technical University

関連論文

• Effect of compositional variation on the properties of superconducting Bi-Pb-Sr-Ca-Cu-O　system
• Josephson Effect in High-Tc superconductor YBa2Cu30x
• Exchange Splitting of ^3T_ Band in Antiferromagnetic KNiF_3

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