Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3606556
Title: Field tunable localization of spin waves in antidot arrays
Authors: Hu, C.-L.
Magaraggia, R.
Yuan, H.-Y.
Chang, C.S.
Kostylev, M.
Tripathy, D. 
Adeyeye, A.O. 
Stamps, R.L.
Issue Date: 27-Jun-2011
Source: Hu, C.-L., Magaraggia, R., Yuan, H.-Y., Chang, C.S., Kostylev, M., Tripathy, D., Adeyeye, A.O., Stamps, R.L. (2011-06-27). Field tunable localization of spin waves in antidot arrays. Applied Physics Letters 98 (26) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3606556
Abstract: We show that magnetic spin wave resonance modes in an antidot patterned array are sensitive to small changes in the magnetic configuration near dots, resulting in strong localization effects as the field is increased. Frequencies measured using ferromagnetic resonance from an antidot array patterned from a NiFe/IrMn bilayer are interpreted using micromagnetic calculations, and it is shown that the observed field dependence of the resonance response can be attributed to strong interdot localization of spin waves. This field tunable localization is created by stray fields produced by magnetic poles at the dot surfaces. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/56056
ISSN: 00036951
DOI: 10.1063/1.3606556
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