Magnetic property of a single crystal UCu2Ge2

被引：1
|
作者：
Matsuda, Tatsuma D. [1 ]
Ikeda, Shugo
Yamamoto, Etsuji
Haga, Yoshinori
Oenuki, Yoshichika
机构：
[1] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[2] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2007年 / 76卷 / 07期
关键词：
UCu2Ge2; single crystal growth; Ising-type ferromagnetism;
D O I：
10.1143/JPSJ.074708
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have succeeded in growing a single crystal of UCu2Ge2 with the tetragonal structure by the Sn-flux method and measured the electrical resistivity, magnetic susceptibility, magnetization and specific beat. This is the first single crystal growth of UCu2Ge2. The magnetic properties are highly anisotropic, reflecting the crystal structure. An easy-axis of magnetization is found to be the [001] direction (c-axis) with a saturation moment 1.75 mu(B)/U, while the [100] direction (a-axis) is the hard-axis in magnetization, indicating an Ising-type ferromagnetism. The electronic specific heat coefficient is determined as 30 mJ/(K-2.mol).
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页数：4
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