Magnetic properties in amorphous Fe100-XErX films

被引：5

作者：

Benjelloun, J

Itri, A ^{[1
]}

Lassri, H

Omri, M

Ayadi, M

机构：

[1] Fac Sci, Dept Phys, Phys Mat Lab, Rabat, Morocco

[2] Univ Hassan II, Fac Sci Ain Chock, Lab Phys Mat & Microelect, Casablanca, Morocco

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 299卷 / 1-2期

关键词：

amorphous Fe100-XErX films; magnetic properties; uniaxial anisotropy;

D O I：

10.1016/S0925-8388(99)00680-5

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：

Amorphous Fe100-xErx films, with 8<X<30 were prepared by RF sputtering and their magnetic properties studied. The saturation magnetization M-o, the uniaxial anisotropy constant K-u and the coercive field H-o were studied as a function of the Er composition. The Er moment at 4.2 K found to be about 7 mu(B) revealed a "sperimagnetic" structure for the Er. The mean field theory has been used to explain the temperature and compositional dependencies of the magnetization of Fe100-xErx. This analysis yields the effective exchange interaction between Fe-Fe and Fe-Er atom pairs. K-u and H-c are related by the equation Hc=alpha K(u)n/mu(o)M(s) with the fitting parameters a and n. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：27 / 31

页数：5

共 31 条

[1] 3D-5D BAND MAGNETISM IN RARE-EARTH TRANSITION-METAL INTERMETALLICS - TOTAL AND PARTIAL MAGNETIC-MOMENTS OF THE GDFE2-YBFE2 LAVES PHASE-COMPOUNDS [J].