Spin-density-wave antiferromagnetism of Cr in Fe/Cr(001) superlattices

被引：1
|
作者：
Fullerton, EE [1 ]
Bader, SD [1 ]
Robertson, JL [1 ]
机构：
[1] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37831
来源：
PHYSICA B | 1997年 / 237卷
关键词：
Fe/Cr superlattices; antiferromagnetism; spin density waves; neutron scattering; multilayers;
D O I：
10.1016/S0921-4526(97)00115-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The antiferromagnetic spin-density-wave (SDW) order of Cr layers in Fe/Cr(0 0 1) superlattices was investigated by neutron scattering. For Cr thicknesses from 51 to 190 Angstrom, a transverse SDW is formed for all temperatures below the Neel temperature with a single wave vector Q normal to the layers. A coherent magnetic structure forms with the nodes of the SDW near the Fe-Cr interfaces. For thinner Cr layers, the magnetic scattering can be described by commensurate antiferromagnetic order.
引用
收藏
页码：234 / 238
页数：5
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