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Ding, Feng
IBS - Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Theoretical methods development for materials studies.

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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
He, MaoshuaiXu, ZiweiShang, DanhongZhang, XiuyunZhang, HaoLi, DongJiang, HuaKauppinen, EskoDing, Feng
Issue Date
2019-04
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
CARBON, v.144, pp.147 - 151
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.
URI
https://scholarworks.unist.ac.kr/handle/201301/25640
URL
https://www.sciencedirect.com/science/article/pii/S0008622318311229?via%3Dihub
DOI
10.1016/j.carbon.2018.12.003
ISSN
0008-6223
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