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Title: Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations

Abstract

We report broadband ferromagnetic resonance measurements of the in-plane magnetic field response of three- and four-fold symmetric vertices formed by non-contacting permalloy nano-ellipses together with extended lattices constructed from them. Complementing the experimental data with simulations, we are able to show that, as far as the most intense FMR responses are concerned, the spectra of vertices and lattices can largely be interpreted in terms of a superposition of the underlying hysteretic responses of the individual ellipses, as elemental building blocks of the system. This property suggest that it is possible to understand the orientation of the individual magnetic dipole moments in a dipole network in terms of dynamic measurements alone, thereby offering a powerful tool to analyze the alignment statistics in frustrated systems that are exposed to various magnetic histories.

Authors:
 [1];  [2];  [3];  [4]; ORCiD logo [5]; ORCiD logo [6]
+ Show Author Affiliations
  1. Inst. of Advanced Materials, Daejeon (Korea); Northwestern Univ., Evanston, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Univ. di Perugia (Italy); Istituto Nazionale di Ricerca Metrologica, Torino (Italy)
  3. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois at Urbana-Champaign, IL (United States)
  4. Northwestern Univ., Evanston, IL (United States)
  5. Univ. di Ferrara (Italy)
  6. Univ. of Delaware, Newark, DE (United States)
Publication Date:
Research Org.:
Univ. of Delaware, Newark, DE (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
OSTI Identifier:
1774758
Alternate Identifier(s):
OSTI ID: 1775499
Grant/Contract Number:  
SC0020308; AC02-06CH11357; DMR 1507058
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics. Condensed Matter
Additional Journal Information:
Journal Volume: 33; Journal Issue: 6; Journal ID: ISSN 0953-8984
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Magnonics; Artificial spin ice; Micromagnetic modeling; Ferromagnetic resonance; Magnonic crystals; Spin dynamics; Magnetism; artificial spin ice; ferromagnetic resonance; magnetism; magnonic crystals; magnonics; micromagnetic modeling; spin dynamics

Citation Formats

Bang, Wonbae, Silvani, R., Hoffmann, A., Ketterson, J. B., Montoncello, F., and Jungfleisch, M. B. Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations. United States: N. p., 2020. Web. doi:10.1088/1361-648x/abc402.
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Bang, Wonbae, Silvani, R., Hoffmann, A., Ketterson, J. B., Montoncello, F., & Jungfleisch, M. B. Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations. United States. https://doi.org/10.1088/1361-648x/abc402
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Bang, Wonbae, Silvani, R., Hoffmann, A., Ketterson, J. B., Montoncello, F., and Jungfleisch, M. B. Wed . "Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations". United States. https://doi.org/10.1088/1361-648x/abc402. https://www.osti.gov/servlets/purl/1774758.
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@article{osti_1774758,
title = {Ferromagnetic resonance in single vertices and 2D lattices macro-dipoles of elongated nanoelements: measurements and simulations},
author = {Bang, Wonbae and Silvani, R. and Hoffmann, A. and Ketterson, J. B. and Montoncello, F. and Jungfleisch, M. B.},
abstractNote = {We report broadband ferromagnetic resonance measurements of the in-plane magnetic field response of three- and four-fold symmetric vertices formed by non-contacting permalloy nano-ellipses together with extended lattices constructed from them. Complementing the experimental data with simulations, we are able to show that, as far as the most intense FMR responses are concerned, the spectra of vertices and lattices can largely be interpreted in terms of a superposition of the underlying hysteretic responses of the individual ellipses, as elemental building blocks of the system. This property suggest that it is possible to understand the orientation of the individual magnetic dipole moments in a dipole network in terms of dynamic measurements alone, thereby offering a powerful tool to analyze the alignment statistics in frustrated systems that are exposed to various magnetic histories.},
doi = {10.1088/1361-648x/abc402},
journal = {Journal of Physics. Condensed Matter},
number = 6,
volume = 33,
place = {United States},
year = {Wed Nov 11 00:00:00 EST 2020},
month = {Wed Nov 11 00:00:00 EST 2020}
}
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Journal Article:
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https://doi.org/10.1088/1361-648x/abc402
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