2ND-ORDER AND 4TH-ORDER MAGNETIC SURFACE ANISOTROPY OF CO(0001)-BASED INTERFACES

被引：25

作者：

FRITZSCHE, H ^{[1
]}

KOHLHEPP, J ^{[1
]}

GRADMANN, U ^{[1
]}

机构：

[1] TECH UNIV CLAUSTHAL,INST PHYS,D-38678 CLAUSTHAL ZELLERF,GERMANY

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 148卷 / 1-2期

关键词：

D O I：

10.1016/0304-8853(95)00188-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Second- and fourth-order magnetic surface anisotropies (MSA) were determined for ultrathin Co layers on W(110), covered by Au. The films show perpendicular magnetization up to a Co thickness t(Co) = 12 Angstrom As a result of strong fourth-order MSA, the spin reorientation transition is discontinuous, with energetic minima for both in-plane and perpendicular magnetization coexixting between 7 Angstrom and 17 Angstrom Co. The change of MSA was measured continuously during Au coverage. It turned out to depend non-monotonically on the Au thickness, t(Au), with a cusp-like extremum at t(Au) = 1.4 Angstrom.

引用

页码：154 / 155

页数：2

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