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|Title:||Band structures of exchange spin waves in one-dimensional bi-component magnonic crystals||Authors:||Ma, F.S.
|Issue Date:||15-Mar-2012||Citation:||Ma, F.S., Lim, H.S., Zhang, V.L., Wang, Z.K., Piramanayagam, S.N., Ng, S.C., Kuok, M.H. (2012-03-15). Band structures of exchange spin waves in one-dimensional bi-component magnonic crystals. Journal of Applied Physics 111 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3698617||Abstract:||We present the micromagnetic study of magnonic band structures for exchange spin waves propagating in one-dimensional magnonic crystals. The crystals are of laterally patterned periodic arrays of alternating cobalt and nickel stripes. Large magnonic bandgaps with widths of tens of GHz are observed. It is found that the higher-order transmission bands and bandgaps have wider widths than those of the lower-order bands and bandgaps. Another interesting feature is that the widths of the first two bandgaps are independent of the applied field, in contrast with an earlier report of decreasing bandgap widths with increasing applied field observed for dipolar spin waves. © 2012 American Institute of Physics.||Source Title:||Journal of Applied Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/95855||ISSN:||00218979||DOI:||10.1063/1.3698617|
|Appears in Collections:||Staff Publications|
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