Magnetic properties of spinel FeCr2S4 in high magnetic field

被引：20

作者：

Ito, Masakazu ^{[1
]}

Nagi, Yuji ^{[1
]}

Kado, Naotoshi ^{[1
]}

Urakawa, Shinpei ^{[1
]}

Ogawa, Takuro ^{[1
]}

Kondo, Akihiro ^{[3
]}

Koyama, Keiichi ^{[1
]}

Watanabe, Kazuo ^{[2
]}

Kindo, Koichi ^{[3
]}

机构：

[1] Kagoshima Univ, Dept Phys, Grad Sch Sci & Engn, Kagoshima 8900065, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[3] Univ Tokyo, ISSP, Chiba 2778581, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2011年 / 323卷 / 24期

基金：

日本学术振兴会;

关键词：

FeCr2S4; Magnetization; Phase diagram; Jahn-Teller transition; Orbital order; TRANSITION;

D O I：

10.1016/j.jmmm.2011.07.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We studied temperature and magnetic field dependence of magnetization, M(T) and M(B), on thiospinel FeCr2S4. We observed a step-like anomaly at T-00 similar to 9 K for M(T) attributed to an orbital order transition in magnetic field 0 <B <= 7 T. Furthermore, also for M(B), the step-like anomaly appears at B-c similar to 5.5 T below T-00. This suggests an existence of a magnetic phase boundary at B-c in T < T-00. Because the anomaly at B-c of M(B) exists in the orbital ordered phase, the spin structure of FeCr2S4 in T < T-00 is strongly coupled with the lattice of the system. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：3290 / 3293

页数：4

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