Magnetization reversal, asymmetry, and role of uncompensated spins in perpendicular exchange coupled systems

被引：21

作者：

Camarero, J. ^{[1
]}

Miguel, J.

Goedkoop, J. B.

Vogel, J.

Romanens, F.

Pizzini, S.

Garcia, F.

Sort, J.

Dieny, B.

Brookes, N. B.

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain

[2] Univ Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands

[3] CNRS, Lab Louis Neel, F-38042 Grenoble, France

[4] CEA, SPINTEC, URA2512, CNRS, F-38054 Grenoble 9, France

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 23期

关键词：

D O I：

10.1063/1.2402882

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Soft x-ray resonant magnetic scattering has been used to investigate the element-selective microscopic magnetization reversal behavior of room temperature perpendicular exchange coupled ferromagnetic/antiferromagnetic (F/AF) systems and to study the role of the interfacial coupling strength on it. Different nucleation processes and domain size distributions along the decreasing and increasing branches of the reversal have been found. The size of the magnetic domains during reversal depends on both the F anisotropy and F/AF coupling strength, decreasing when one of them increases. Evidence of the exchange bias (coercivity enhancement) being induced by pinned (unpinned) uncompensated AF interfacial spins is also shown. (c) 2006 American Institute of Physics.

引用

页数：3

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