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Title: Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice

Abstract

Artificial spin ice (ASI) are arrays of nanoscaled magnets that can serve both as models for frustration in atomic spin ice as well as for exploring new spin-wave-based strategies to transmit, process, and store information. Here, we exploit the intricate interplay of the magnetization dynamics of two dissimilar ferromagnetic metals arranged on complimentary lattice sites in a square ASI to modulate the spin-wave properties effectively. We show that the interaction between the two sublattices results in unique spectra attributed to each sublattice, and we observe inter- and intra-lattice dynamics facilitated by the distinct magnetization properties of the two materials. The dynamic properties are systematically studied by angular-dependent broadband ferromagnetic resonance and confirmed by micromagnetic simulations. Here, we show that combining materials with dissimilar magnetic properties enables the realization of a wide range of two-dimensional structures, potentially opening the door to new concepts in nanomagnonics.

Authors:
 [1];  [1]; ORCiD logo [1]
  1. Univ. of Delaware, Newark, DE (United States)
Publication Date:
Research Org.:
Univ. of Delaware, Newark, DE (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1774757
Grant/Contract Number:  
SC0020308
Resource Type:
Accepted Manuscript
Journal Name:
Nano Letters
Additional Journal Information:
Journal Volume: 21; Journal Issue: 5; Journal ID: ISSN 1530-6984
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Artificial spin ice; magnonics; nanomagnetism; spin dynamics; ferromagnetic resonance; micromagnetic simulations; elements; lattices; magnetic properties; quantum mechanic; resonance structures

Citation Formats

Lendinez, Sergi, Kaffash, Mojtaba T., and Jungfleisch, M. Benjamin. Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice. United States: N. p., 2021. Web. doi:10.1021/acs.nanolett.0c03729.
Lendinez, Sergi, Kaffash, Mojtaba T., & Jungfleisch, M. Benjamin. Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice. United States. https://doi.org/10.1021/acs.nanolett.0c03729
Lendinez, Sergi, Kaffash, Mojtaba T., and Jungfleisch, M. Benjamin. Thu . "Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice". United States. https://doi.org/10.1021/acs.nanolett.0c03729. https://www.osti.gov/servlets/purl/1774757.
@article{osti_1774757,
title = {Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice},
author = {Lendinez, Sergi and Kaffash, Mojtaba T. and Jungfleisch, M. Benjamin},
abstractNote = {Artificial spin ice (ASI) are arrays of nanoscaled magnets that can serve both as models for frustration in atomic spin ice as well as for exploring new spin-wave-based strategies to transmit, process, and store information. Here, we exploit the intricate interplay of the magnetization dynamics of two dissimilar ferromagnetic metals arranged on complimentary lattice sites in a square ASI to modulate the spin-wave properties effectively. We show that the interaction between the two sublattices results in unique spectra attributed to each sublattice, and we observe inter- and intra-lattice dynamics facilitated by the distinct magnetization properties of the two materials. The dynamic properties are systematically studied by angular-dependent broadband ferromagnetic resonance and confirmed by micromagnetic simulations. Here, we show that combining materials with dissimilar magnetic properties enables the realization of a wide range of two-dimensional structures, potentially opening the door to new concepts in nanomagnonics.},
doi = {10.1021/acs.nanolett.0c03729},
journal = {Nano Letters},
number = 5,
volume = 21,
place = {United States},
year = {Thu Feb 18 00:00:00 EST 2021},
month = {Thu Feb 18 00:00:00 EST 2021}
}

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