3D CORE-LEVEL PHOTOEMISSION SPECTRA OF INTERMETALLIC YB COMPOUNDS

被引：28
|
作者：
CHUNG, JS
CHO, EJ
OH, SJ
机构：
[1] Department of Physics, Seoul National University
来源：
PHYSICAL REVIEW B | 1990年 / 41卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.41.5524
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Yb 3d core-level photoemission spectra of trivalent YbAs, mixed-valence YbAl3, and divalent YbPb3 were measured with a Si K x-ray source. Significant intensities of divalent peaks were observed even for trivalent YbAs and mixed-valence YbAl3. This is probably due to the divalent surface layers, which makes difficult the estimation of the 4f hybridization strength from the 3d core-level spectra. The 4d core-level and the 4f spectra are consistent with this interpretation. © 1990 The American Physical Society.
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收藏
页码：5524 / 5528
页数：5
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