Direct observation of spin-resolved full and empty electron states in ferromagnetic surfaces

被引：53
|
作者：
Berti, G. [1 ]
Calloni, A. [1 ]
Brambilla, A. [1 ]
Bussetti, G. [1 ]
Duo, L. [1 ]
Ciccacci, F. [1 ]
机构：
[1] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 07期
关键词：
FE FILMS; PHOTOEMISSION; OXYGEN; ADSORPTION; INTERFACE;
D O I：
10.1063/1.4885447
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present a versatile apparatus for the study of ferromagnetic surfaces, which combines spin-polarized photoemission and inverse photoemission spectroscopies. Samples can be grown by molecular beam epitaxy and analyzed in situ. Spin-resolved photoemission spectroscopy analysis is done with a hemispherical electron analyzer coupled to a 25 kV-Mott detector. Inverse photoemission spectroscopy experiments are performed with GaAs crystals as spin-polarized electron sources and a UV bandpass photon detector. As an example, measurements on the oxygen passivated Fe(100)-p(1x1)O surface are presented. (C) 2014 AIP Publishing LLC.
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页数：4
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