Removal of a lead film from graphene by xenon-beam bombardment: Computer experiment / Galashev A.E., Polukhin V.A. // Journal of Surface Investigation. - 2015. - V. 9, l. 5. - P. 1099-1106.

ISSN:

10274510

Type:

Article

Abstract:

The process of the bombardment of a Pb film on modified graphene at an incident angle of 75° in the range of Xe13 cluster energies of 5 to 30 eV is studied using the molecular dynamics method. The modification includes the creation of divacancies located approximately uniformly over the graphene sheet, as well as hydrogenation of the graphene edges and the partial hydrogenation of divacancy boundaries. The horizontal and vertical components of the self-diffusion coefficient of the lead film and graphene, stresses on the horizontal metal and graphene surfaces, the angular distribution of the nearest geometric neighbors in graphene, and the roughness of the graphene-sheet surface during Xe13 cluster bombardment of a target are calculated. The graphene was completely purified of lead only under 30-eV Xe13 cluster impacts. The separation of lead from graphene was predominantly collective. None of the bombardments leads to serious damage to the graphene. © 2015, Pleiades Publishing, Ltd.

Author keywords:

bombardment; graphene; lead; molecular dynamics; xenon cluster

Index keywords:

Angular distribution; Diffusion in liquids; Hydrogenation; Lead; Molecular dynamics; Sheet metal; bombardment; Cluster bombardment; Computer experiment; Graphene sheets; Molecular dynamics methods; Pa

DOI:

10.1134/S1027451015050274

Смотреть в Scopus:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-84944271603&doi=10.1134%2fS1027451015050274&partnerID=40&md5=2bf3985bf6a700614d3e5696097b39aa

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-84944271603&doi=10.1134%2fS1027451015050274&partnerID=40&md5=2bf3985bf6a700614d3e5696097b39aa
Affiliations	Institute of High Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russian Federation; Institute of Materials Science and Metallurgy, Yeltsin Ural Federal University, Yekaterinburg, Russian Federation
Author Keywords	bombardment; graphene; lead; molecular dynamics; xenon cluster
Funding Details	13-08-00273, RFBR, Russian Foundation for Basic Research
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Correspondence Address	Galashev, A.E.; Institute of High Temperature Electrochemistry, Ural Branch, Russian Academy of SciencesRussian Federation
Publisher	Maik Nauka-Interperiodica Publishing
Language of Original Document	English
Abbreviated Source Title	J. Surf. Invest.
Source	Scopus