BULK AND SURFACE ELECTRONIC-STRUCTURES OF POTASSIUM FULLERIDES

被引:28
|
作者
WERTHEIM, GK
BUCHANAN, DNE
机构
[1] AT and T Bell Laboratories, Murray Hill
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 19期
关键词
D O I
10.1103/PhysRevB.47.12912
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Photoemission spectra from thin films of KxC60 prepared by vapor-phase reaction of C60 with K vapor consist of superpositions of distinct bulk and surface contributions. The spectra of K3C60 and K6C60 are identified and shown to be in very good agreement with band-structure calculations. The surface layer of molecules does not contribute to the metallic conductivity for any bulk composition.
引用
收藏
页码:12912 / 12916
页数:5
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