ELECTRONIC-PROPERTIES OF K-DOPED C(60) (111) - PHOTOEMISSION AND ELECTRON CORRELATION

被引:92
作者
BENNING, PJ
STEPNIAK, F
POIRIER, DM
MARTINS, JL
WEAVER, JH
CHIBANTE, LPF
SMALLEY, RE
机构
[1] RICE UNIV,RICE QUANTUM INST,HOUSTON,TX 77251
[2] RICE UNIV,DEPT CHEM,HOUSTON,TX 77251
[3] RICE UNIV,DEPT PHYS,HOUSTON,TX 77251
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 20期
关键词
D O I
10.1103/PhysRevB.47.13843
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
High-resolution photoemission provides the signatures of K3C60(111), K4C60, K6C60, and the dilute solid solution of K in C60(111), showing the effects of electron-electron correlation in all of the K-C60 phases. K3C60(111) is a metal with a distinct Fermi-level cutoff but with spectral broadening near E(F) not predicted by band calculations. K4C60 is an insulator, although band calculations predict metallic character. Photoemission and low-energy-electron-diffraction results demonstrate kinetically limited growth for K-C60 films produced by vapor deposition.
引用
收藏
页码:13843 / 13847
页数:5
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