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

页码：13843 / 13847

页数：5

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