Revealing antiferromagnetic order of the Fe monolayer on W(001):: Spin-polarized scanning tunneling microscopy and first-principles calculations -: art. no. 087204

被引：118
|
作者：
Kubetzka, A
Ferriani, P
Bode, M
Heinze, S
Bihlmayer, G
von Bergmann, K
Pietzsch, O
Blügel, S
Wiesendanger, R
机构：
[1] Univ Hamburg, Inst Appl Phys, D-20355 Hamburg, Germany
[2] Univ Hamburg, Microstruct Res Ctr, D-20355 Hamburg, Germany
[3] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.94.087204
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We prove that the magnetic ground state of a single monolayer Fe on W(001) is c(2x2) antiferromagnetic, i.e., a checkerboard arrangement of antiparallel magnetic moments. Real space images of this magnetic structure have been obtained with spin-polarized scanning tunneling microscopy. An out-of-plane easy magnetization axis is concluded from measurements in an external magnetic field. The magnetic ground state and anisotropy axis are explained based on first-principles calculations.
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页数：4
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