Magnetic properties and magnetocaloric effect of GdCr2Si2 compound under hydrostatic pressure

被引：24

作者：

Li, Lingwei ^{[1
,2
]}

Hu, Guanghui ^{[3
]}

Umehara, Izuru ^{[3
]}

Huo, Dexuan ^{[1
]}

Hutchison, Wayne D. ^{[4
]}

Namiki, Takahiro ^{[2
]}

Nishimura, Katsuhiko ^{[2
]}

机构：

[1] Hangzhou Dianzi Univ, Inst Mat Phys, Hangzhou 310018, Zhejiang, Peoples R China

[2] Toyama Univ, Grad Sch Sci & Engn, Toyama 9308555, Japan

[3] Yokohama Natl Univ, Dept Phys, Fac Engn, Yokohama, Kanagawa 2408501, Japan

[4] Univ New S Wales, ADFA, Sch Phys Environm & Math Sci, Canberra, ACT 2610, Australia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 575卷

基金：

中国国家自然科学基金;

关键词：

Magnetocaloric effect; RT2X2; compounds; High pressure effect; Magnetic phase transition;

D O I：

10.1016/j.jallcom.2013.04.081

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The magnetic and magnetocaloric properties of GdCr2Si2 have been studied under hydrostatic pressures up to 1.58 GPa. The temperature and field dependence of magnetization and magnetic entropy change (-Delta DSM) show a weak pressure dependence behaviour. The observed large reversible magnetocaloric effect in GdCr2Si2 is related to a field-induced first order magnetic phase transition. For a field change of 5 T, the maximum -Delta DSM are 14.1, 15.0, and 14.9 J/kg K under the pressures of 0, 0.69, and 1.58 GPa, respectively, the corresponding relative cooling power are evaluated to be 212, 223, and 226 J/kg. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：1 / 4

页数：4

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