SPIN-DENSITY-WAVE INSTABILITY FOR CHROMIUM IN FE/CR(100) MULTILAYERS

被引：73
|
作者：
MEERSSCHAUT, J [1 ]
DEKOSTER, J [1 ]
SCHAD, R [1 ]
BELIEN, P [1 ]
ROTS, M [1 ]
机构：
[1] KATHOLIEKE UNIV LEUVEN, VASTE STOF FYS & MAGNETISME LAB, B-3001 LOUVAIN, BELGIUM
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.75.1638
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using perturbed angular correlation spectroscopy on Fe/Cr epitaxially grown multilayers, we observed an in-plane magnetization for Fe layers (thickness between 1.5 and 38 nm), while Cr (thickness between 7.5 and 40 nm) orders antiferromagnetically as a longitudinal (AF(2)) spin density wave with the magnetization along the (100) direction normal to the layers, persisting well above the Neel temperature of bulk chromium. The Cr layers lose the Cr bulk magnetism and become paramagnetic, down to 4.2 K, or even nonmagnetic for thickness below 6.0 nm.
引用
收藏
页码：1638 / 1641
页数：4
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