Dynamic configurational anisotropy in Ni80Fe20 antidot lattice with complex geometry

Koustuv Dutta,Anulekha De,Sucheta Mondal,Saswati Barman,Yoshichika Otani,Anjan Barman

Journal of Alloys and Compounds（2021）

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摘要

•Spin-wave dynamics in diamond antidot lattice with square and hexagonal symmetry.•A four-fold anisotropy for the square lattice symmetry.•A strong six-fold and a weak four-fold anisotropy for the hexagonal lattice symmetry.•Spin-wave mode conversion with rotation of the in-plane bias magnetic field.

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关键词

Ferromagnetic antidot lattice,Time-resolved magneto-optical Kerr effect,Dynamic configurational anisotropy,Spin-wave dynamics,Micromagnetic simulation

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