Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6349
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dc.contributor.authorSolonenko, Dmytro-
dc.contributor.authorGordan, Ovidiu D.-
dc.contributor.authorLe Lay, Guy-
dc.contributor.authorŞahin, Hasan-
dc.contributor.authorCahangirov, Seymur-
dc.contributor.authorZahn, Dietrich R. T.-
dc.contributor.authorVogt, Patrick-
dc.date.accessioned2017-10-13T08:19:43Z
dc.date.available2017-10-13T08:19:43Z
dc.date.issued2017-03
dc.identifier.citationSolonenko, D., Gordan, O. D., Le Lay, G., Şahin, H., Cahangirov, S., Zahn, D. R. T., and Vogt, P. (2017). 2D vibrational properties of epitaxial silicene on Ag(111). 2D Materials, 4(1). doi:10.1088/2053-1583/4/1/015008en_US
dc.identifier.issn2053-1583
dc.identifier.issn2053-1583-
dc.identifier.urihttp://doi.org/10.1088/2053-1583/4/1/015008
dc.identifier.urihttp://hdl.handle.net/11147/6349
dc.description.abstractThe two-dimensional silicon allotrope, silicene, could spur the development of new and original concepts in Si-based nanotechnology. Up to now silicene can only be epitaxially synthesized on a supporting substrate such as Ag(111). Even though the structural and electronic properties of these epitaxial silicene layers have been intensively studied, very little is known about its vibrational characteristics. Here, we present a detailed study of epitaxial silicene on Ag(111) using in situ Raman spectroscopy, which is one of the most extensively employed experimental techniques to characterize 2D materials, such as graphene, transition metal dichalcogenides, and black phosphorous. The vibrational fingerprint of epitaxial silicene, in contrast to all previous interpretations, is characterized by three distinct phonon modes with A and E symmetries. Both, energies and symmetries of theses modes are confirmed by ab initio theory calculations. The temperature dependent spectral evolution of these modes demonstrates unique thermal properties of epitaxial silicene and a significant electron-phonon coupling. These results unambiguously support the purely two-dimensional character of epitaxial silicene up to about 300°C, whereupon a 2D-to-3D phase transition takes place. The detailed fingerprint of epitaxial silicene will allow us to identify it in different environments or to study its modifications.en_US
dc.description.sponsorshipDeutsche Forschungsgemeinschaft (DFG) (VO1261/3-1 VO1261/4-1): International Research Training Group - DFG (GRK 1215): International Research Training Group - Chinese Ministry of Education (GRK 1215): European Commission (270749): Scientific and Technological Research Council of Turkey (TUBITAK 115F388)en_US
dc.language.isoenen_US
dc.publisherIOP Publishing Ltd.en_US
dc.relationinfo:eu-repo/grantAgreement/TUBITAK/MFAG/115F388en_US
dc.relation.ispartof2D Materialsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAb initio theoryen_US
dc.subjectEpitaxial siliceneen_US
dc.subjectPhonon modesen_US
dc.subjectRaman spectroscopyen_US
dc.title2D vibrational properties of epitaxial silicene on Ag(111)en_US
dc.typeArticleen_US
dc.authoridTR216960en_US
dc.institutionauthorŞahin, Hasan-
dc.departmentİzmir Institute of Technology. Photonicsen_US
dc.identifier.volume4en_US
dc.identifier.issue1en_US
dc.identifier.wosWOS:000388927900002en_US
dc.identifier.scopus2-s2.0-85014424054en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1088/2053-1583/4/1/015008-
dc.relation.doi10.1088/2053-1583/4/1/015008en_US
dc.coverage.doi10.1088/2053-1583/4/1/015008en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept04.04. Department of Photonics-
Appears in Collections:Photonics / Fotonik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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