Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices

Bang, Wonbae; Kaffash, M. T.; Hossain, M. T.; Hoffmann, A.; Ketterson, J. B.; Jungfleisch, M. B.

doi:10.1063/9.0000307

Title: Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices

Journal Article · Tue Mar 15 00:00:00 EDT 2022 · AIP Advances

DOI:https://doi.org/10.1063/9.0000307· OSTI ID:1866997

Bang, Wonbae ^[1];

^[2];

^[3];

^[4];

^[2]

Korea Univ. of Technology and Education, Cheonan (South Korea)
Univ. of Delaware, Newark, DE (United States)
Univ. of Illinois at Urbana-Champaign, IL (United States)
Northwestern Univ., Evanston, IL (United States)

We report experimental and theoretical studies of spin dynamics in lattice structures of permalloy (Ni ₈₀ Fe ₂₀ ) 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.

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Research Organization:: Univ. of Delaware, Newark, DE (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; KOREATECH; National Research Foundation of Korea (NRF); USDOE

Grant/Contract Number:: SC0020308; SC0014424

OSTI ID:: 1866997

Alternate ID(s):: OSTI ID: 1854946

Journal Information:: AIP Advances, Vol. 12, Issue 3; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

References (12)

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Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice Lendinez, Sergi; Kaffash, Mojtaba T.; Jungfleisch, M. Benjamin Nano Letters, Vol. 21, Issue 5 https://doi.org/10.1021/acs.nanolett.0c03729	journal	February 2021
Magnonic crystals for data processing Chumak, A. V.; Serga, A. A.; Hillebrands, B. Journal of Physics D: Applied Physics, Vol. 50, Issue 24 https://doi.org/10.1088/1361-6463/aa6a65	journal	May 2017
Dynamics of reconfigurable artificial spin ice: Toward magnonic functional materials Gliga, Sebastian; Iacocca, Ezio; Heinonen, Olle G. APL Materials, Vol. 8, Issue 4 https://doi.org/10.1063/1.5142705	journal	April 2020
Magnetic charge and moment dynamics in artificial kagome spin ice Farhan, A.; Derlet, P. M.; Anghinolfi, L. Physical Review B, Vol. 96, Issue 6 https://doi.org/10.1103/physrevb.96.064409	journal	August 2017
Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations Bang, Wonbae; Silvani, R.; Hoffmann, A. Journal of Physics: Condensed Matter, Vol. 33, Issue 6 https://doi.org/10.1088/1361-648x/abc402	journal	November 2020
Ferromagnetic resonance spectra of permalloy nano-ellipses as building blocks for complex magnonic lattices Bang, Wonbae; Montoncello, F.; Kaffash, M. T. Journal of Applied Physics, Vol. 126, Issue 20 https://doi.org/10.1063/1.5126679	journal	November 2019
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Title: Spin dynamics in permalloy nano-ellipses for honeycomb and square lattices

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