Coupled macrospins: Mode dynamics in symmetric and asymmetric vertices

Bang, Wonbae; Jungfleisch, Matthias B.; Montoncello, Federico; Farmer, Barry W.; Lapa, Pavel N.; Hoffmann, Axel; Giovannini, Loris; De Long, Lance E.; Ketterson, John B.

doi:10.1063/1.5007281

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

Journal Article · Fri Dec 29 00:00:00 EST 2017 · AIP Advances

DOI:https://doi.org/10.1063/1.5007281· OSTI ID:1429060

Bang, Wonbae ^[1]; Jungfleisch, Matthias B. ^[2]; Montoncello, Federico ^[3]; Farmer, Barry W. ^[4]; Lapa, Pavel N. ^[2]; Hoffmann, Axel ^[2]; Giovannini, Loris ^[3]; De Long, Lance E. ^[4];

^[5]

Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy; Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Univ. of Ferrara (Italy). Dept. of Physics and Earth Sciences
Univ. of Kentucky, Lexington, KY (United States). Dept. of Physics and Astronomy
Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy. Dept. of Electrical and Computer Engineering

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.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States); Univ. of Kentucky, Lexington, KY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

Grant/Contract Number:: AC02-06CH11357; DMR 1507058; DMR 1506979

OSTI ID:: 1429060

Alternate ID(s):: OSTI ID: 1415159; OSTI ID: 1480261

Journal Information:: AIP Advances, Vol. 8, Issue 5; ISSN 2158-3226

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

Country of Publication:: United States

Language:: English

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Cited By (3)

Thickness dependence of spin wave dynamics in three-fold nano-ellipse clusters Bang, Wonbae; Montoncello, F.; Hoffmann, A. AIP Advances, Vol. 8, Issue 10 https://doi.org/10.1063/1.5043097	journal	October 2018
Magnetization dynamics in artificial spin ice Lendinez, S.; Jungfleisch, M. B. Journal of Physics: Condensed Matter, Vol. 32, Issue 1 https://doi.org/10.1088/1361-648x/ab3e78	journal	October 2019
Tunable magnetization dynamics in artificial spin ice via shape anisotropy modification Dion, T.; Arroo, D. M.; Yamanoi, K. Physical Review B, Vol. 100, Issue 5 https://doi.org/10.1103/physrevb.100.054433	journal	August 2019

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