ELECTRONIC-STRUCTURE OF GRAPHENE TUBULES BASED ON C-60

被引:1117
|
作者
SAITO, R
FUJITA, M
DRESSELHAUS, G
DRESSELHAUS, MS
机构
[1] UNIV ELECTROCOMMUN,CHOFU,TOKYO 182,JAPAN
[2] UNIV TSUKUBA,INST MAT SCI,TSUKUBA 305,JAPAN
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 03期
关键词
D O I
10.1103/PhysRevB.46.1804
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The electronic structures of some possible carbon fibers nucleated from the hemisphere of a C60 molecule are presented. A one-dimensional electronic band-structure model of such carbon fibers, having not only rotational symmetry but also screw axes, is derived by folding the two-dimensional energy bands of graphite. A simple tight-binding model shows that some fibers are metallic and are stable against perturbations of the one-dimensional energy bands and the mixing of sigma and pi-bands due to the curvature of the circumference of the fiber.
引用
收藏
页码:1804 / 1811
页数:8
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