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|Title:||Observation of dual magnonic and phononic bandgaps in bi-component nanostructured crystals||Authors:||Zhang, V.L.
|Issue Date:||16-Apr-2012||Citation:||Zhang, V.L., Ma, F.S., Pan, H.H., Lin, C.S., Lim, H.S., Ng, S.C., Kuok, M.H., Jain, S., Adeyeye, A.O. (2012-04-16). Observation of dual magnonic and phononic bandgaps in bi-component nanostructured crystals. Applied Physics Letters 100 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4705301||Abstract:||We report on the experimental observation of dual magnonic and phononic bandgaps in bi-component nanostructured crystals. The dispersion relations of linear periodic arrays of alternating Fe (or Ni) and Ni 80Fe 20 nanostripes on a SiO 2/Si substrate, mapped by Brillouin spectroscopy, feature distinct bandgaps. Calculations of the magnon and phonon dispersions yield good agreement with experiments. No magnon-phonon interaction is detected for the modes observed, making the structures studied a potential platform for the separate and simultaneous processing of information carried by hypersonic magnons and phonons, with no undesirable cross-talk between them. © 2012 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/82794||ISSN:||00036951||DOI:||10.1063/1.4705301|
|Appears in Collections:||Staff Publications|
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