Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices
We report experimental and theoretical studies of spin dynamics in lattice structures of permalloy (Ni80Fe20) nano-ellipses, with four different types of networks including honeycomb and square lattices. The lattices are patterned at the center line of the co-planar wave guide and consist of non-con...
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| Veröffentlicht in: | AIP advances 2022-03, Vol.12 (3), p.035131-035131-5 |
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| container_end_page | 035131-5 |
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| container_title | AIP advances |
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| creator | Bang, Wonbae Kaffash, M. T. Hossain, M. T. Hoffmann, A. Ketterson, J. B. Jungfleisch, M. B. |
| description | We report experimental and theoretical studies of spin dynamics in lattice structures of permalloy (Ni80Fe20) nano-ellipses, with four different types of networks including honeycomb and square lattices. The lattices are patterned at the center line of the co-planar wave guide and consist of non-contacting or contacting ellipses. Micromagnetic simulations show excellent agreement with the broadband ferromagnetic resonance (FMR) experimental results. We find the existence of a spin-wave mode localized in the vertex region of the contacting nano-ellipse network. Our finding has important implications when designing an artificial spin ice (ASI) network for functional magnonics. |
| doi_str_mv | 10.1063/9.0000307 |
| format | Article |
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| subjects | Broadband Coplanar waveguides Dynamic structural analysis Ellipses Ferromagnetic resonance Ferromagnetism Ferrous alloys Lattices Magnetic alloys Spin dynamics Spin ice |
| title | Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices |
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