Temperature and Frequency Dependence of the ESR Line Width in Two-Dimensional Ferromagnet K_2CuF_4
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概要
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The temperature dependence of the ESR line widths of newly found two-dimensional ferromagnet K_2CuF_4 (which has the K_2NiF_4 type crystal structure and T_c=6.25 K) has been observed at various frequencies. When the temperature is lowered from room temperature, the gradual narrowing of the line width occurs at first, reaching a minimum value at the temperature of several times as large as T_c, and then it grows up and makes a peak near T_c. Below the temperature where the peak appears, steep narrowing of the line width occurs with further decreasing temperature. At high temperatures, peculiar angular dependence of the line widths is observed in the ac-plane. This angular dependence has been explained by taking account of the effect of the anisotropic exchange interaction besides the magnetic dipolar broadening effect.
- 社団法人日本物理学会の論文
- 1972-11-05
著者
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Yamada Isao
Department Of Communications And Integrated Systems Tokyo Institute Of Technology
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Ikebe Manabu
Department Of Materials Science And Technology Faculty Of Engineering Iwate University
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Ikebe Manabu
Department Of Physics Osaka University:(present Address)the Research Institute For Iron Steel And Ot
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Yamada Isao
Departmen Of Communications And Integrated Systems Tokyo Institute Of Technology
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