Quantum chemical study of the electronic structure of new nanotubular systems:: α-graphyne-like carbon, boron-nitrogen and boron-carbon-nitrogen nanotubes

被引:42
作者
Enyashin, AN [1 ]
Makurin, YN [1 ]
Ivanovskii, AL [1 ]
机构
[1] Russian Acad Sci, Inst Solid State Chem, Ural Div, Ekaterinburg 620219, Russia
基金
俄罗斯基础研究基金会;
关键词
non-graphitic carbon; carbon nanotubes; computational chemistry; electronic properties;
D O I
10.1016/j.carbon.2004.04.014
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
Single-wall BN and BCN nanotubes in assumed alpha-graphyne-like wall structures are studied by means of the tight-binding band theory. The electron density of states, total energies and interatomic bond indices (crystal orbital overlap populations) are analyzed as a function of the composition, atomic structure and diameters of zigzag and armchair BN and BCN tubes. The results obtained are compared with the electronic properties of alpha-graphyne carbon- and graphite-like BN nanotubes. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2081 / 2089
页数:9
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