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Title: Spin wave dispersion in permalloy antidot array with alternating holes diameter
Authors: Madami, M.
Tacchi, S.
Gubbiotti, G.
Carlotti, G.
Ding, J.
Adeyeye, A.O. 
Klos, J.W.
Krawczyk, M.
Keywords: Brillouin light scattering
magnonic crystals (MCs)
patterned magnetic films
spin waves (SWs)
Issue Date: 2013
Source: Madami, M., Tacchi, S., Gubbiotti, G., Carlotti, G., Ding, J., Adeyeye, A.O., Klos, J.W., Krawczyk, M. (2013). Spin wave dispersion in permalloy antidot array with alternating holes diameter. IEEE Transactions on Magnetics 49 (7) : 3093-3096. ScholarBank@NUS Repository.
Abstract: The dispersion of spin waves in a Permalloy binary antidot array constituted by two alternated antidot sublattices with different diameters of the circular holes has been investigated. The diameters of the holes are D 1=300 nm and D2=150 nm with a holes center-to-center spacing of 425 nm. The spin wave frequency has been measured with Brillouin light scattering applying a magnetic field along the edge of the square unit cell of the lattice and sweeping the spin-wave wave vector along the perpendicular direction. The measured dispersion has been compared with calculations performed by the plane wave method, achieving a good agreement with the experimental results over the whole wave vector range. © 2013 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2013.2240659
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