Interfacial magnetism of Eu/Gd(0001) studied by magnetic circular dichroism in photoemission

被引:21
作者
Arenholz, E
Starke, K
Kaindl, G
Jensen, PJ
机构
[1] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany
[2] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany
关键词
D O I
10.1103/PhysRevLett.80.2221
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report on the fabrication of an atomically hat heteromagnetic rare-earth interface of 1-ML-Eu(6 X 6)/Gd(0001), and its element-specific magnetic analysis by means of magnetic dichroism in photoemission, revealing a high net Eu magnetization at law temperatures. This magnetic Eu phase is due to a strong positive interlayer exchange coupling across the interface which overrules the weak negative intralayer coupling between Eu spins in the hexagonal two-dimensional lattice.
引用
收藏
页码:2221 / 2224
页数:4
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