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dc.creatorŠetrajčić, Jovan P.
dc.creatorIlić, Dušan I.
dc.creatorJaćimovski, Stevo
dc.date.accessioned2019-03-31T23:11:21Z
dc.date.available2020-01-03
dc.date.issued2018
dc.identifier.issn0378-4371
dc.identifier.urihttp://jakov.kpu.edu.rs/handle/123456789/893
dc.description.abstractIn this paper, we have analytically investigated how the changes in boundary surface parameters influence the phonon dispersion law in ultrathin films of the simple cubic crystalline structure. Spectra of possible phonon states are analyzed using the method of two-time dependent Green's functions and for the diverse combination of boundary surface parameters, this problem was presented numerically and graphically. It turns out that for certain values and combinations of parameters, displacement of dispersion branches outside of bulk zone occurs, leading to the creation of localized phonon states. This fact is of great importance for the heat removal, electrical conductivity and superconducting properties of ultrathin films.en
dc.publisherElsevier Science Bv, Amsterdam
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171039/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/34019/RS//
dc.relationMinistry of Science and Technological Development of the Republic of Srpska
dc.relationProvincial Secretariat for High Education, Science and Technological Development of Vojvodina
dc.rightsembargoedAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourcePhysica a-statistical mechanics and its applications
dc.subjectPhononsen
dc.subjectUltrathin filmsen
dc.subjectGreen's functionen
dc.subjectBoundary parametersen
dc.titleThe influence of the surface parameter changes onto the phonon states in ultrathin crystalline filmsen
dc.typearticle
dc.rights.licenseBY-NC-ND
dcterms.abstractЈаћимовски, Стево; Шетрајчић, Јован П.; Илић, Душан И.;
dc.citation.volume496
dc.citation.spage434
dc.citation.epage445
dc.citation.other496: 434-445
dc.citation.rankM21
dc.identifier.doi10.1016/j.physa.2017.12.138
dc.identifier.fulltexthttp://jakov.kpu.edu.rs/bitstream/id/2065/full_text.pdf
dc.identifier.scopus2-s2.0-85041489968
dc.identifier.wos000426330900037
dc.type.versionacceptedVersion


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