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Title: Micromagnetic study of spin wave propagation in bicomponent magnonic crystal waveguides
Authors: Ma, F.S.
Lim, H.S. 
Wang, Z.K. 
Piramanayagam, S.N.
Ng, S.C. 
Kuok, M.H. 
Issue Date: 11-Apr-2011
Citation: Ma, F.S., Lim, H.S., Wang, Z.K., Piramanayagam, S.N., Ng, S.C., Kuok, M.H. (2011-04-11). Micromagnetic study of spin wave propagation in bicomponent magnonic crystal waveguides. Applied Physics Letters 98 (15) : -. ScholarBank@NUS Repository.
Abstract: The propagation of spin waves in bicomponent magnonic crystal waveguides has been investigated by micromagnetic simulations. The nanostructured waveguides studied are regular square lattice arrays of circular Fe dots embedded in an yttrium iron garnet matrix. Our simulations show that the waveguides exhibit wide magnonic band gaps of the order of 10 GHz. Band gap tunability, arising from variations in the filling fraction, lattice constant, and applied magnetic field has been demonstrated. Our findings would be of value to the efficient transmission and processing of microwave signals on the nanoscale by means of spin waves. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.3579531
Appears in Collections:Staff Publications

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