Physical and electronic structure in carbon nanotubes

被引：34

作者：

He, RR ^{[1
]}

Jin, HZ ^{[1
]}

Zhu, J ^{[1
]}

Yan, YJ ^{[1
]}

Chen, XH ^{[1
]}

机构：

[1] Tsing Hua Univ, Sch Mat Sci & Engn, Electron Microscopy Lab, Beijing 100084, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 1998年 / 298卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/S0009-2614(98)01213-5

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Electron nanodiffraction patterns and high-resolution images from bundles of single-walled carbon nanotubes (SWNTs) have been obtained to determine the helicity and the packing of tubes. It is found that there is no predominating helicity, only a weak tendency of being of 'armchair' structure; the inter-tube spacing is close to 0.34 nm and several packing orientations may coexist in a single bundle. Electron energy loss spectra from the bundles of SWNTs and multi-walled carbon nanotubes are used to study electronic structure. The pi-bonding is proposed as inter-tube bonding in the bundles. The plasmon energy E-p depends on the diameter and inter-tube (or inter-walled) spacing. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：170 / 176

页数：7

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