Stabilization of antiferromagnetism in CeFe2 alloys: the effects of chemical and hydrostatic pressure

被引：10

作者：

Haldar, Arabinda ^{[1
]}

Suresh, K. G. ^{[1
]}

Nigam, A. K. ^{[2
]}

Coelho, A. A. ^{[3
]}

Gama, S. ^{[3
]}

机构：

[1] Indian Inst Technol, Dept Phys, Mumbai 400076, Maharashtra, India

[2] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India

[3] Univ Estadual Campinas, UNICAMP, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2009年 / 21卷 / 49期

关键词：

X-RAY-DIFFRACTION; INTERMETALLIC COMPOUNDS; MAGNETIC-BEHAVIOR; FERROMAGNETISM;

D O I：

10.1088/0953-8984/21/49/496003

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Effects of Al, Mn and Sb dopings in CeFe2 and the effect of applied pressure have been investigated. Al doping gives rise to the FM-AFM transition and a reduction in the magnetic moment and T-C values, clearly indicating the growth of the AFM component. Mn and Sb dopings only cause a reduction in the T-C value. It is found that, in general, external pressure enhances the antiferromagnetism in both the pure and the doped alloys. Enhancement of the Ce 4f-Fe 3d hybridization as a result of doping and with the external pressure may be the reason for the stabilization of antiferromagnetism in these alloys.

引用

页数：6

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