Investigation of spin-polarized surfaces with multiple electron capture spectroscopy

被引：4
|
作者：
Unipan, M. [1 ]
Robin, A. [1 ]
Morgenstern, R. [1 ]
Hoekstra, R. [1 ]
机构：
[1] Univ Groningen, KVI Atom Phys, NL-9747 AA Groningen, Netherlands
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 258卷 / 01期
关键词：
ion-solid interactions; electron capture; iron; nickel; spin polarization;
D O I：
10.1016/j.nimb.2006.12.146
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Slow, multiply charged ions incident on solid surfaces interact only with a few atomic sites from the top-most surface layer. A novel technique for probing local spin polarization at surfaces was developed, namely multiple electron capture spectroscopy (MECS). This technique is based on the Auger electron emission from doubly excited He atoms formed in front of ferromagnetic surfaces. The temperature dependence of the spin polarization of Fe(110) was obtained and the results are compared with those from the highly polarized Ni(110) surface. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：125 / 129
页数：5
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