CORE-HOLE DECAY STUDIES OF O/NI(100) C(2X2)

被引：3
|
作者：
SANDELL, A
NILSSON, A
BJORNEHOLM, O
TILLBORG, H
MARTENSSON, N
机构：
[1] Department of Physics, Uppsala University, Box 530
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 15期
关键词：
D O I：
10.1103/PhysRevB.48.11347
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A study of the core-hole decay spectra of O/Ni(100) c (2 x 2) is presented. Spectra were recorded at photon energies corresponding to the O 1s x-ray-absorption (XA) resonance, as well as high above the O is threshold. Additional spectra were recorded at photon energies corresponding to characteristic features in the XA spectrum just above the O 1s threshold. These spectra were found to provide important information regarding the electronic structure of atomic oxygen on nickel. Broadenings in the decay spectra due to population of Rydberg states are observed. A shoulder on the high-kinetic-energy side of the spectra is interpreted as a result of Auger final states made up by independent valence holes. It was found that the spectroscopic behavior of the O/Ni(100) system is in many respects similar to that of pure Ni.
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页码：11347 / 11351
页数：5
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