Magnetism of filled skutterudites under high magnetic fields

被引：3

作者：

Yamada, T. ^{[1
]}

Nakashima, H.

Sugiyama, K.

Hagiwara, M.

Kindo, K.

Tanaka, K.

Kikuchi, D.

Aoki, Y.

Sugawara, H.

Sato, H.

Settai, R.

Onuki, Y.

Harima, H.

机构：

[1] Osaka Univ, Grad Sch Engn, Toyonaka, Osaka 5600043, Japan

[2] Osaka Univ, KYOKUGEN, Osaka 5608531, Japan

[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan

[4] Tokyo Metropolitan Univ, Grad Sch Sci & Engn, Hachioji, Tokyo, Japan

[5] Univ Tokushima, Fac Integrated Arts & Sci, Tokushima 770, Japan

[6] Kobe Univ, Fac Sci, Kobe, Hyogo 6578501, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期

基金：

日本学术振兴会;

关键词：

PrFe4Sb12; SmOs4Sb12; crystalline electric field; metamagnetic magnetization; heavy fermion system;

D O I：

10.1016/j.jmmm.2006.10.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We measured the high-field magnetization M for skutterudite compounds of a paramagnet PrFe4Sb12 and a ferromagnet SmOs4Sb12 to investigate the characteristic magnetic properties. In PrFe4Sb12, we observed a peak structure in the dM/dH curve, which might be a level crossing effect between the singlet ground state and the excited state with a splitting energy of about 20K in the crystalline electric field (CEF) scheme. In SmOs4Sb12, the anisotropy of magnetization for H parallel to 1 0 0 parallel to and [1 1 0] was not observed, which is inconsistent with the quartet ground state in the CEF scheme. (c) 2006 Published by Elsevier B.V.

引用

页码：252 / 254

页数：3

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