Rims of carbon nanotubes - influence of chirality

被引：2

作者：

Dumlich, Heiko ^{[1
]}

Reich, Stephanie ^{[1
]}

机构：

[1] Free Univ Berlin, Fachbereich Phys, D-14195 Berlin, Germany

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2010年 / 247卷 / 11-12期

关键词：

carbon nanotube; chirality; nanotube composites; NEMS; Rim; structure; GROWTH;

D O I：

10.1002/pssb.201000300

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We study the possible configurations of the open ends (rims) of carbon nanotubes. There are many possible rim structures for a given chirality (n,m). The rim configuration depends to a large extend on the atomic species and shape of its host material. We develop formulas to derive the number of armchair and zigzag-type dangling bonds contained in a specific rim configuration. Armchair and zigzag-type dangling bonds form different barriers at the interface between a carbon nanotube and a host material. Reshaping the rim to a desired configuration allows to change the properties of the nanotube, e.g. transport barriers, which might be interesting for producing tailored NEMS or carbon nanotube based composites. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2722 / 2725

页数：4

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