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Feng Ding
다차원 탄소재료 연구단
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Is there chiral correlation between graphitic layers in double-wall carbon nanotubes?

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Title
Is there chiral correlation between graphitic layers in double-wall carbon nanotubes?
Author(s)
Maoshuai He; Ziwei Xu; Danhong Shang; Xiuyun Zhang; Hao Zhang; Dong Li; Hua Jiang; Esko Kauppinen; Feng Ding
Publication Date
2019-04
Journal
CARBON, v.144, no., pp.147 - 151
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
Because of the unique concentric structure, double-wall carbon nanotubes (DWNTs) possess fascinating properties which depend on the respective chirality of both the outer and the inner tubes. In this work, we study the chiral correlations of DWNTs synthesized by chemical vapor deposition on Fe nanoparticles. Contrary to some recent report, the distribution of chiral angle difference between inner and outer tubes in our work agrees with that calculated for all possible configurations. Remarkably, DWNTs with commensurate structures, i.e. outer and inner tubes have same chiral angles, are observed. The mechanism for the formation of DWNTs with approximately commensurate structures is discussed on the basis of layer by layer model. Furthermore, the interactional energies between the inner and outer walls are calculated to address the stability of different DWNT configurations. This work helps understand the growth mechanism of DWNTs and comprehend their structure stabilities with different configurations. © 2018 Elsevier Ltd.
URI
https://pr.ibs.re.kr/handle/8788114/5595
ISSN
0008-6223
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
Files in This Item:
3. 1-s2.0-S0008622318311229-main.pdfDownload

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