Temperature-dependent spin polarization of magnetic surface state at Gd(0001)

被引：81
|
作者：
Donath, M
Gubanka, B
Passek, F
机构：
[1] Max-Planck-Institut für Plasmaphysik, EURATOM Association, Surface Physics Division, Garching bei München
来源：
PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 25期
关键词：
D O I：
10.1103/PhysRevLett.77.5138
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The surface electronic structure of 100 Angstrom thick Gd(0001) films deposited on W(110) has been studied by spin-resolved inverse photoemission. At low temperature the magnetic surface state at Gamma consists of an empty minority and a partially empty majority part. The spin splitting vanishes upon approaching the bulk Curie temperature. This ''Stoner-like'' collapsing band behavior is also observed for transitions into bulklike states. No indication was found for exceptional surface magnetic properties such as enhanced Curie temperature or magnetic order different from the bulk.
引用
收藏
页码：5138 / 5141
页数：4
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