ELECTRONIC-STRUCTURE OF HELICALLY COILED CAGE OF GRAPHITIC CARBON

被引:160
作者
AKAGI, K [1 ]
TAMURA, R [1 ]
TSUKADA, M [1 ]
ITOH, S [1 ]
IHARA, S [1 ]
机构
[1] HITACHI LTD,CENT RES LAB,KOKUBUNJI,TOKYO 185,JAPAN
关键词
D O I
10.1103/PhysRevLett.74.2307
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
General features of the electronic states of helically coiled cages of graphite layer are studied by simple tight-binding models. The topological structure of the cages, which is determined by the distributions of the 5-membered and 7-membered rings, governs the electronic behavior around the Fermi level. Unlike the carbon nanotubes, some types of them show semimetallic character having a sharp peak at the Fermi level, which might cause interesting properties such as the superconducting ones. © 1995 The American Physical Society.
引用
收藏
页码:2307 / 2310
页数:4
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