Pressure effect on the Curie temperature of the Heusler alloys Rh2MnZ (Z = Sn, Ge)

被引：24

作者：

Adachi, Y ^{[1
]}

Morita, H

Kanomata, T

Sato, A

Yoshida, H

Kaneko, T

Nishihara, H

机构：

[1] Yamagata Univ, Fac Engn, Yonezawa, Yamagata 9928510, Japan

[2] Tohoku Gakuin Univ, Fac Engn, Tagajo, Miyagi 9858537, Japan

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

[4] Ryukoku Univ, Fac Sci & Technol, Otsu, Shiga 5202123, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2004年 / 383卷 / 1-2期

关键词：

Heusler alloys; pressure effect; curie temperature;

D O I：

10.1016/j.jallcom.2004.04.003

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 pressure effect on the Curie temperature (T-C) of Rh(2)MnZ (Z = Sn, Ge) has been investigated by measuring the temperature dependence of initial permeability at various pressures up to about 1 GPa. The Curie temperature T-C and its pressure coefficients (1/T-C)dT(C)/dp were obtained to be 431 K and +2.6 x 10(-2) GPa(-1) for Rh2MnSn, and 471 K and +1.7 x 10(-2) for GPa(-1) 1 Rh2MnGe, respectively. It was found that a pressure induced phase transition occurs around 0.6 GPa in Rh2MnGe. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：37 / 39

页数：3

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