Topological insulator based locally resonant phononic crystals: wave propagation and acoustic band gaps

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buir.contributor.authorÖzbay, Ekmel
buir.contributor.orcidÖzbay, Ekmel|0000-0003-2953-1828
dc.citation.epage129en_US
dc.citation.issueNumber1en_US
dc.citation.spage123en_US
dc.citation.volumeNumber499en_US
dc.contributor.authorOltulu, O.en_US
dc.contributor.authorSimsek S.en_US
dc.contributor.authorMamedov, A. M.en_US
dc.contributor.authorÖzbay, Ekmelen_US
dc.date.accessioned2018-04-12T10:46:37Z
dc.date.available2018-04-12T10:46:37Z
dc.date.issued2016en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractABSTRACT: In the present work the acoustic band structure of a two-dimensional phononic crystal (PC) containing an organic ferroelectric (PVDF- polyvinylidene fluoride) and topological insulator (Bi2Te3) were investigated by the plane-wave-expansion (PWE) method. Two-dimensional PC with square lattices composed of Bi2Te3 cylindrical rods embedded in the PVDF matrix are studied to find the existence of stop bands for the waves of certain energy. Phononic band diagram ω = ω(k) for a 2D PC along the Г-X-M-Г path in the square Brillouin zone show four stop bands in the frequency range 0.01–8.0 kHz.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T10:46:37Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2016en
dc.identifier.doi10.1080/00150193.2016.1173507en_US
dc.identifier.eissn1563-5112
dc.identifier.issn0015-0193
dc.identifier.urihttp://hdl.handle.net/11693/36637
dc.language.isoEnglishen_US
dc.publisherTaylor and Francis Inc.en_US
dc.relation.isversionofhttp://dx.doi.org/10.1080/00150193.2016.1173507en_US
dc.source.titleFerroelectricsen_US
dc.subjectAcoustic band gapsen_US
dc.subjectPhononic crystalsen_US
dc.subjectTopological insulatoren_US
dc.subjectWave propagationen_US
dc.subjectAcoustic devicesen_US
dc.subjectAcousticsen_US
dc.subjectCrystal structureen_US
dc.subjectElectric insulatorsen_US
dc.subjectEnergy gapen_US
dc.subjectPhononsen_US
dc.subjectCylindrical roden_US
dc.subjectFrequency rangesen_US
dc.subjectPlane wave expansion methoden_US
dc.subjectPolyvinylidene fluoridesen_US
dc.subjectTopological insulatorsen_US
dc.subjectTwo-Dimensional Phononic Crystalsen_US
dc.subjectAcoustic wave propagationen_US
dc.titleTopological insulator based locally resonant phononic crystals: wave propagation and acoustic band gapsen_US
dc.typeArticleen_US

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