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Structural, electrical and mechanical properties of ВСх films prepared by pulsed laser deposition from mixed and dual boron-diamond/graphite targets

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dc.contributor.authorZinin, P. V.
dc.contributor.authorBulatov, K. M.
dc.contributor.authorFilonenko, V. P.
dc.contributor.authorFominski, V. Y.
dc.contributor.authorRomanov, R. I.
dc.contributor.authorVasil'evskii, I. S.
dc.contributor.authorSafonov, D. A.
dc.contributor.authorSoloviev, A. A.
dc.contributor.authorФоминский, Вячеслав Юрьевич
dc.contributor.authorРоманов, Роман Иванович
dc.contributor.authorВасильевский, Иван Сергеевич
dc.contributor.authorСафонов, Данил Андреевич
dc.contributor.authorСоловьев, Алексей
dc.date.accessioned2024-11-20T09:17:30Z
dc.date.available2024-11-20T09:17:30Z
dc.date.issued2019
dc.description.abstract© 2019 Elsevier B.V. Relatively low and high deposition rates of BCх films were realized by pulsed laser ablation of mixed B–diamond and dual B–graphite targets, respectively. Deposition was performed at 500 °C and the rate of film deposition was determined with respect to the number of atomic monolayers (obviously less or more than one monolayer) grown for one laser pulse. In the case of BCх films formation with a low deposition rate, doping with B facilitated the growth of the nanocomposite structure, which possessed an increased fraction of sp3 bonds, a very low electrical resistance, and an improved mechanical performance. The change of the sheet resistance of these films as the temperature was reduced from 300 to 65 K had a metallic character. For about 95-nm-thick films with bulk compositions of BC1.7 and BC0.6, the resistivity at room temperature were approximately equal to 1.5 mΩ·cm, and the lowest resistivity of 0.23 mΩ·cm was detected for B-enriched film at 85 K. With an increase in the B atom concentration in such films, the charge carrier (holes) concentration decreased, and their mobility increased from 180 to 10,500 cm2·V−1·s−1 due to samples cooling. The application of a higher deposition rate from the dual B–graphite target activated surface migration of condensed atoms, which caused the development of granular morphology, the B segregation and the reduction of the sp3 bond fraction. The hardness and electrical conductivity of such films were obviously inferior to those of the films obtained by PLD with a low deposition rate.
dc.format.extentС. 266-277
dc.identifier.citationStructural, electrical and mechanical properties of ВСх films prepared by pulsed laser deposition from mixed and dual boron-diamond/graphite targets / Zinin, P.V. [et al.] // Diamond and Related Materials. - 2019. - 92. - P. 266-277. - 10.1016/j.diamond.2018.12.026
dc.identifier.doi10.1016/j.diamond.2018.12.026
dc.identifier.urihttps://www.doi.org/10.1016/j.diamond.2018.12.026
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85059565041&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000461129800035
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16443
dc.relation.ispartofDiamond and Related Materials
dc.titleStructural, electrical and mechanical properties of ВСх films prepared by pulsed laser deposition from mixed and dual boron-diamond/graphite targets
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume92
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