FMR study of the crystalline anisotropy of [Fe(t)Cr(38Å)]N superlattices grown on MgO(100) and MgO(110)

被引：0

作者：

Texeira, AM

Ramos, CA ^{[1
]}

Fernandes, AAR

Fullerton, EE

机构：

[1] Ctr Atom Bariloche, RA-8400 SC Bariloche, Rio Negro, Argentina

[2] Comis Nacl Energia Atom, Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

[3] Inst Mil Engn, Rio De Janeiro, Brazil

[4] Univ Fed Espirito Santo, Dept Fis, Vitoria, ES, Spain

[5] IBM Corp, Almaden Res Ctr, San Jose, CA 95120 USA

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 226卷

关键词：

superlattices; anisotropy; interfaces; ferromagnetic resonance;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using ferromagnetic resonance we measured the magnetocrystalline anisotropy (MA) of [Fe(t)Cr(38)]N superlattices with t: 5, 10, 14, 25, and 100 Angstrom, grown on MgO(100) and MgO(110) (SL100 and SL110, respectively). In the SL100 (SL110) series the effective demagnetization decreases due to a large surface MA of 0.19 +/-0.04erg/cm(2) (0.40 +/-0.05 erg/cm(2)). In SL100 the cubic MA, K-C, approaches the bulk value for large t and decreases as 1/t. In SL110 we found a similar behavior of K-C(t) which was not noted before as well as an uniaxial MA that increases as 1/t. The MA collapse for t=5 Angstrom, which we attribute to interface disorder. (C) 2001 Published by Elsevier Science B.V.

引用

页码：1788 / 1789

页数：2

共 21 条

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