Collapse of the itinerant Co moment in Er1-xLuxCo2 by the application of high magnetic fields

被引：20

作者：

Bartashevich, MI

Katori, HA

Goto, T

Wada, H

Maeda, T

Mori, T

Shiga, M

机构：

[1] UNIV TOKYO,INST SOLID STATE PHYS,MINATO KU,TOKYO 106,JAPAN

[2] KYOTO UNIV,DEPT MET SCI & TECHNOL,SAKYO KU,KYOTO 60601,JAPAN

来源：

PHYSICA B | 1997年 / 229卷 / 3-4期

关键词：

high magnetic field; magnetization curves; metamagnetism; Er1-xLuxCo2;

D O I：

10.1016/S0921-4526(96)00523-6

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The collapse of the Co moment in the ferrimagnetic Er1-xLuxCo2 compounds has been studied by means of magnetization, magnetostriction and Co-59 spin echo measurements. The collapse of the Co moment is observed at the critical concentration around x = 0.3 in zero magnetic field. The application of a high magnetic field also induces the moment collapse in the compounds below the critical concentration, which is observed as a metamagnetic transition. From the metamagnetic transition field of ErCo2 observed at 52 T, the exchange constant between Er and Co can be estimated to be J(ErCo) = -1.3 x 10(-22) J.

引用

页码：315 / 320

页数：6

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