ELECTRONIC-STRUCTURE OF CAXC60 FULLERIDES

被引：49

作者：

CHEN, Y

POIRIER, DM

JOST, MB

GU, C

OHNO, TR

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 | 1992年 / 46卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.46.7961

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Photoemission and inverse photoemission studies of CaxC60 films show insulating character for x < 3+/-0.3 as states derived primarily from the LUMO orbitals of C60 are occupied. Metallic character is observed at higher Ca content as a second band of states is partially occupied. This band has mixed character since it is derived from the LUMO+1 orbitals of C60 and the Ca s states. These states are responsible for superconductivity in Ca5C60.

引用

页码：7961 / 7964

页数：4

共 26 条

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