Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.4739950
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dc.titlePhononic dispersion of a two-dimensional chessboard-patterned bicomponent array on a substrate
dc.contributor.authorZhang, V.L.
dc.contributor.authorHou, C.G.
dc.contributor.authorPan, H.H.
dc.contributor.authorMa, F.S.
dc.contributor.authorKuok, M.H.
dc.contributor.authorLim, H.S.
dc.contributor.authorNg, S.C.
dc.contributor.authorCottam, M.G.
dc.contributor.authorJamali, M.
dc.contributor.authorYang, H.
dc.date.accessioned2014-10-07T04:34:43Z
dc.date.available2014-10-07T04:34:43Z
dc.date.issued2012-07-30
dc.identifier.citationZhang, V.L., Hou, C.G., Pan, H.H., Ma, F.S., Kuok, M.H., Lim, H.S., Ng, S.C., Cottam, M.G., Jamali, M., Yang, H. (2012-07-30). Phononic dispersion of a two-dimensional chessboard-patterned bicomponent array on a substrate. Applied Physics Letters 101 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4739950
dc.identifier.issn00036951
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82892
dc.description.abstractBrillouin measurements of the dispersion relations of surface acoustic- and optical-like waves along Γ-M and Γ-X symmetry directions in a two-dimensional bicomponent nanostructured crystal are reported. The sample, in the form of a periodic chessboard array of alternating Permalloy and cobalt square dots on a SiO 2/Si substrate, was fabricated using high-resolution electron-beam lithographic, sputtering, etching, and lift-off techniques. The measured phononic band structures exhibit diverse features, such as a partial hybridization bandgap and unusual surface optical-like phonon branches, where there are out-of-phase vibrational characteristics between nearest-neighbor dots. Numerical simulations, based on the finite element analysis, reproduced the experimental dispersion relations. © 2012 American Institute of Physics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.4739950
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1063/1.4739950
dc.description.sourcetitleApplied Physics Letters
dc.description.volume101
dc.description.issue5
dc.description.page-
dc.description.codenAPPLA
dc.identifier.isiut000307676600058
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