MAGNETIC CIRCULAR-DICHROISM IN 4F PHOTOEMISSION FROM TERBIUM

被引：16
|
作者：
STARKE, K
BAUMGARTEN, L
ARENHOLZ, E
NAVAS, E
KAINDL, G
机构：
[1] Institut für Experimentalphysik, Freie Universität Berlin, D-14195 Berlin-Dahlem
来源：
PHYSICAL REVIEW B | 1994年 / 50卷 / 02期
关键词：
D O I：
10.1103/PhysRevB.50.1317
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Strong magnetic circular dichroism (MCD) in 4f photoemission from remanently magnetized films of Tb(0001) and TbFe(x) grown on W(110) is reported. Asymmetries of up to 62% have been observed for the 4f8-S-2(7/2) multiplet component, in agreement with a calculated 93% effect, taking into account the incomplete circular polarization of the photon beam and the experimental geometry. This is a very strong MCD effect and provides interesting perspectives for surface and thin-film magnetism, as well as a versatile sensor for circular polarization of soft x rays over a wide photon-energy range.
引用
收藏
页码：1317 / 1320
页数：4
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