Growth of sp-sp² nanostructures in a carbon plasma

Yamaguchi, Yasutaka; Colombo, Luciano; Piseri, Paolo et al.

Physical Review B, 2007, 76(13), 134119

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Identifier to cite or link to this item: https://hdl.handle.net/11094/82380

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Title
Growth of sp-sp² nanostructures in a carbon plasma
Creator
NRID
1000030346192 1000030346192
ORCID
0000-0002-8000-8437 0000-0002-8000-8437
researchmap permalink
yasutaka_yamaguchi yasutaka_yamaguchi
Scopus Author ID
15849815900 15849815900
CreatorName
Yamaguchi, Yasutaka
CreatorName
Colombo, Luciano
CreatorName
Piseri, Paolo
CreatorName
Ravagnan, Luca
CreatorName
Milani, Paolo
Description
Yasutaka Yamaguchi, Luciano Colombo, Paolo Piseri, Luca Ravagnan, and Paolo Milani. Phys. Rev. B 76, 134119, 2007. Copyright 2007 by the American Physical Society.
Abstract
The growth of sp and sp² nanostructures in a carbon plasma is simulated by tight-binding molecular dynamics. The simulations are arranged so as to mimic the cluster formation conditions typical of a pulsed microplasma cluster source which is used to grow nanostructured sp-sp² carbon films [L. Ravagnan et al., Phys. Rev. Lett. 98, 216103 (2007)]. The formation of linear, ring, and fullerenelike objects in the carbon plasma is found to proceed through a very long multistep process. Therefore, tight-binding simulations of unprecedented duration have been performed by exploiting the disconnected topology of the simulated carbon plasma which made it possible to implement a computationally efficient divide-and-diagonalize procedure. Present simulations prove that topologically different structures can be formed in experiments, depending on the plasma temperature and density. A thorough characterization of the observed structures as well as their evolution (caused both by thermal annealing and by cluster ripening) is provided.
Publisher
American Physical Society
Source Title
Physical Review B
Volume (Issue)
76(13)
Page
134119
Date of Issued
2007-10-31
Language
English
Handle URL
https://hdl.handle.net/11094/82380
PISSN
10980121
eISSN
1550235X
NCID
AA11187113
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1103/PhysRevB.76.134119
Access Rights
open access
CopyRight
Copyright 2007 by the American Physical Society
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article