MAGNETIC PHASE-TRANSITIONS IN (C6H5CH2NH3)2CUCL4

被引：3
|
作者：
KIMISHIMA, Y
机构：
[1] Department of Physics, Faculty of Engineering, Yokohama National University, Hodogaya-ku, Yokohama, 240
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1990年 / 90-1卷
关键词：
D O I：
10.1016/S0304-8853(10)80108-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The high temperature dc magnetic susceptibility chi, and the temperature dependences of dc magnetization M under various effective magnetic fields H(eff) were measured for (C6H5CH2NH3)2CuCl4 two-dimensional XY ferromagnet. From the Weiss temperature THETA of 36.9 K, the J/k(b) was estimated as 18.5 K, where J is the exchange integral. The successive magnetic transitions were observed in the M-T curve below 2.5 Oe of H(eff). The upper- and lower transition temperatures were about 7 and 5 K when they were extrapolated to H(eff) = 0, respectively.
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页码：301 / 302
页数：2
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