SURFACE CORE-LEVEL SHIFTS OF TA(110) AND W(110) VERSUS ALKALI-METAL-ATOM COVERAGE - IMPLICATIONS FOR THE ALKALI-METAL SUBSTRATE INTERACTION

被引:21
|
作者
ANDREWS, AB
RIFFE, DM
WERTHEIM, GK
机构
[1] AT&T BELL LABS,MURRAY HILL,NJ 07974
[2] UTAH STATE UNIV,DEPT PHYS,LOGAN,UT 84322
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 12期
关键词
D O I
10.1103/PhysRevB.49.8396
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The change in the average surface-atom core-level shift (SCS) produced by submonolayer coverages of alkali adsorbates is quite small for both Ta(110) and W(110), less than 45 meV in magnitude. The small change of the measured SCS's as a function of coverage decisively supports the covalent-bonding picture of alkali adsorption proposed by Ishida and Terakura.
引用
收藏
页码:8396 / 8401
页数:6
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