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Title: Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices

Abstract

We report the microwave response of symmetric and asymmetric threefold clusters with nearly contacting segments that can serve as the node in a Kagome artificial spin ice lattice. The structures are patterned on a coplanar waveguide and consist of elongated and nearly-contacting ellipses with uniform thickness. Branches of the ferromagnetic resonance spectra display mode softening that correlates well with the calculations, whereas agreement between the measured and simulated static magnetization is more qualitative.

Authors:
 [1];  [2];  [3];  [4];  [2];  [2];  [3];  [4]; ORCiD logo [5]
  1. Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy; Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  3. Univ. of Ferrara (Italy). Dept. of Physics and Earth Sciences
  4. Univ. of Kentucky, Lexington, KY (United States). Dept. of Physics and Astronomy
  5. Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy. Dept. of Electrical and Computer Engineering
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States); Univ. of Kentucky, Lexington, KY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1429060
Alternate Identifier(s):
OSTI ID: 1415159; OSTI ID: 1480261
Grant/Contract Number:  
AC02-06CH11357; DMR 1507058; DMR 1506979
Resource Type:
Accepted Manuscript
Journal Name:
AIP Advances
Additional Journal Information:
Journal Volume: 8; Journal Issue: 5; Journal ID: ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 36 MATERIALS SCIENCE

Citation Formats

Bang, Wonbae, Jungfleisch, Matthias B., Montoncello, Federico, Farmer, Barry W., Lapa, Pavel N., Hoffmann, Axel, Giovannini, Loris, De Long, Lance E., and Ketterson, John B. Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices. United States: N. p., 2017. Web. doi:10.1063/1.5007281.
Bang, Wonbae, Jungfleisch, Matthias B., Montoncello, Federico, Farmer, Barry W., Lapa, Pavel N., Hoffmann, Axel, Giovannini, Loris, De Long, Lance E., & Ketterson, John B. Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices. United States. doi:10.1063/1.5007281.
Bang, Wonbae, Jungfleisch, Matthias B., Montoncello, Federico, Farmer, Barry W., Lapa, Pavel N., Hoffmann, Axel, Giovannini, Loris, De Long, Lance E., and Ketterson, John B. Fri . "Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices". United States. doi:10.1063/1.5007281. https://www.osti.gov/servlets/purl/1429060.
@article{osti_1429060,
title = {Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices},
author = {Bang, Wonbae and Jungfleisch, Matthias B. and Montoncello, Federico and Farmer, Barry W. and Lapa, Pavel N. and Hoffmann, Axel and Giovannini, Loris and De Long, Lance E. and Ketterson, John B.},
abstractNote = {We report the microwave response of symmetric and asymmetric threefold clusters with nearly contacting segments that can serve as the node in a Kagome artificial spin ice lattice. The structures are patterned on a coplanar waveguide and consist of elongated and nearly-contacting ellipses with uniform thickness. Branches of the ferromagnetic resonance spectra display mode softening that correlates well with the calculations, whereas agreement between the measured and simulated static magnetization is more qualitative.},
doi = {10.1063/1.5007281},
journal = {AIP Advances},
number = 5,
volume = 8,
place = {United States},
year = {2017},
month = {12}
}

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Works referenced in this record:

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