Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2009.2039775
Title: Angular dependence of magnetic normal modes in NiFe antidot lattices with different lattice symmetry
Authors: Tacchi, S.
Madami, M.
Gubbiotti, G.
Carlotti, G.
Adeyeye, A.O. 
Neusser, S.
Botters, B.
Grundler, D.
Keywords: Brillouin light scattering
Ferromagnetic resonance
Patterned magnetic films
Spin waves
Issue Date: Jun-2010
Source: Tacchi, S., Madami, M., Gubbiotti, G., Carlotti, G., Adeyeye, A.O., Neusser, S., Botters, B., Grundler, D. (2010-06). Angular dependence of magnetic normal modes in NiFe antidot lattices with different lattice symmetry. IEEE Transactions on Magnetics 46 (6) : 1440-1443. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2009.2039775
Abstract: We report an experimental investigation of the magnetic normal modes in large-area Ni80Fe20 antidot arrays fabricated on commercially available silicon substrates using deep ultraviolet lithography at 248 nm exposing wavelength. The effect of the lattice symmetry (square, rhombic and honeycomb) on the magnetic normal modes of the arrays has been investigated by both Brillouin light scattering and broadband ferromagnetic resonance using a vector network analyzer. For all the measured samples, the eigenfrequencies show an angular symmetry which is consistent with the lattice arrangement of the holes. Interpretation of the experimental results was achieved by micromagnetic simulations which enabled us to calculate both the frequencies of the modes and the corresponding spatial profile, correlating their angular evolution with the magnetic ground state. © 2006 IEEE.
Source Title: IEEE Transactions on Magnetics
URI: http://scholarbank.nus.edu.sg/handle/10635/83490
ISSN: 00189464
DOI: 10.1109/TMAG.2009.2039775
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