Structure of multi-wall carbon nanotubes: AA' graphene helices

Title
Structure of multi-wall carbon nanotubes: AA' graphene helices
Authors
이재갑이소형김용일김진규이경일안재평민봉기유청종채근화Phillip John
Keywords
Graphene; Structure; CNT; AA' graphite; Helix
Issue Date
2013-04
Publisher
Applied physics letters
Citation
VOL 102, NO 16, 161911-1-161911-5
Abstract
The structure of multi-wall carbon nanotubes has been attributed previously to disordered stacking of the graphene planes. Evidence is presented that the nanotubes analyzed in this paper occur with stacked graphene layers in the sequence of AA′, where alternate graphene planes are translated by half the hexagon width. We further present proof that the crystalline materials comprise graphene helices (~5  nm in width), rather than in the form of a perfect tube. We also show that the structural model proposed here may be a common structure for multi-wall carbon nanotubes.
URI
http://pubs.kist.re.kr/handle/201004/45806
ISSN
00036951
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KIST Publication > Article
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