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|Title:||Collective spin waves in high-density two-dimensional arrays of FeCo nanowires||Authors:||Wang, Z.K.
|Issue Date:||Jun-2006||Citation:||Wang, Z.K., Lim, H.S., Zhang, V.L., Goh, J.L., Ng, S.C., Kuok, M.H., Su, H.L., Tang, S.L. (2006-06). Collective spin waves in high-density two-dimensional arrays of FeCo nanowires. Nano Letters 6 (6) : 1083-1086. ScholarBank@NUS Repository. https://doi.org/10.1021/nl060026+||Abstract:||Brillouin measurements have been made of the spin dynamics of high-density two-dimensional hexagonally ordered 20 nm diameter Fe48Co 52 nanowire arrays, with various interwire spacings, as a function of longitudinal magnetic field. The experimental data are analyzed within the Arias-Mills theory based on interwire dipolar couplings in the arrays. The results provide conclusive evidence of collective spin waves arising from the dipolar coupling which is manifested as a reduction in spin wave frequency with decreasing interwire spacing. © 2006 American Chemical Society.||Source Title:||Nano Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/96014||ISSN:||15306984||DOI:||10.1021/nl060026+|
|Appears in Collections:||Staff Publications|
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