Please use this identifier to cite or link to this item: https://doi.org/10.1186/1556-276X-8-115
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dc.titlePhononic and magnonic dispersions of surface waves on a permalloy/BARC nanostructured array
dc.contributor.authorPan, H.
dc.contributor.authorZhang, V.L.
dc.contributor.authorDi, K.
dc.contributor.authorKuok, M.H.
dc.contributor.authorLim, H.S.
dc.contributor.authorNg, S.C.
dc.contributor.authorSingh, N.
dc.contributor.authorAdeyeye, A.O.
dc.date.accessioned2014-10-07T04:34:42Z
dc.date.available2014-10-07T04:34:42Z
dc.date.issued2013
dc.identifier.citationPan, H., Zhang, V.L., Di, K., Kuok, M.H., Lim, H.S., Ng, S.C., Singh, N., Adeyeye, A.O. (2013). Phononic and magnonic dispersions of surface waves on a permalloy/BARC nanostructured array. Nanoscale Research Letters 8 (1) : 1-6. ScholarBank@NUS Repository. https://doi.org/10.1186/1556-276X-8-115
dc.identifier.issn19317573
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/82891
dc.description.abstractPhononic and magnonic dispersions of a linear array of periodic alternating Ni80Fe20and bottom anti-reflective coating nanostripes on a Si substrate have been measured using Brillouin light scattering. The observed phononic gaps are considerably larger than those of laterally patterned multi-component crystals previously reported, mainly a consequence of the high elastic and density contrasts between the stripe materials. Additionally, the phonon hybridization bandgap has an unusual origin in the hybridization and avoided crossing of the zone-folded Rayleigh and pseudo-Sezawa waves. The magnonic band structure features near-dispersionless branches, with unusual vortex-like dynamic magnetization profiles, some of which lie below the highly-dispersive fundamental mode branch. Finite element calculations of the phononic and magnonic dispersions of the magphonic crystal accord well with experimental data. © 2013 Pan et al.; licensee Springer.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1186/1556-276X-8-115
dc.sourceScopus
dc.subjectBandgaps
dc.subjectBrillouin light scattering
dc.subjectMagphonic crystal
dc.subjectPhononic and magnonic dispersions
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1186/1556-276X-8-115
dc.description.sourcetitleNanoscale Research Letters
dc.description.volume8
dc.description.issue1
dc.description.page1-6
dc.identifier.isiut000316407600001
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