Structural and magnetic properties of Fe-Pt-Nb sputtered films

被引：6

作者：

Chen, SK ^{[1
]}

Yuan, FT

Chen, GS

Chang, WC

机构：

[1] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 40724, Taiwan

[2] Natl Chung Cheng Univ, Dept Phys, Chiayi, Taiwan

来源：

PHYSICA B-CONDENSED MATTER | 2003年 / 327卷 / 2-4期

关键词：

exchange coupling; ordering parameter; disorder-order transformation;

D O I：

10.1016/S0921-4526(02)01744-1

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

(FePt)(100-x)Nb-x thin films were prepared by high-vacuum sputtering. In the studied composition range of x = 0.0-2.1, remanence and squareness ratio were found to increase with x, whereas coercivity was found to decrease with x. The ordering parameter, K, measured from X-ray diffraction data indicates that the addition of Nb significantly decreases the K value. The K values from 0.20 to 0.30 can provide a two-phase (ordered and disordered) structure with strong intergranular coupling and a high-energy product as the thin films are annealed at 500-600degreesC. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：366 / 369

页数：4

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