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Title: Spin Vortex Resonance in Non-planar Ferromagnetic Dots

Abstract

In planar structures, the vortex resonance frequency changes little as a function of an in-plane magnetic field as long as the vortex state persists. Altering the topography of the element leads to a vastly different dynamic response that arises due to the local vortex core confinement effect. In this work, we studied the magnetic excitations in non-planar ferromagnetic dots using a broadband microwave spectroscopy technique. Two distinct regimes of vortex gyration were detected depending on the vortex core position. The experimental results are in qualitative agreement with micromagnetic simulations.

Authors:
 [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
+ Show Author Affiliations
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Texas A & M Univ., College Station, TX (United States)
Publication Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1356659
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 36 MATERIALS SCIENCE; Applied physics; Magnetic properties and materials; Materials science

Citation Formats

Ding, Junjia, Lapa, Pavel, Jain, Shikha, Khaire, Trupti, Lendinez, Sergi, Zhang, Wei, Jungfleisch, Matthias B., Posada, Christian M., Yefremenko, Volodymyr G., Pearson, John E., Hoffmann, Axel, and Novosad, Valentine. Spin Vortex Resonance in Non-planar Ferromagnetic Dots. United States: N. p., 2016. Web. doi:10.1038/srep25196.
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Ding, Junjia, Lapa, Pavel, Jain, Shikha, Khaire, Trupti, Lendinez, Sergi, Zhang, Wei, Jungfleisch, Matthias B., Posada, Christian M., Yefremenko, Volodymyr G., Pearson, John E., Hoffmann, Axel, & Novosad, Valentine. Spin Vortex Resonance in Non-planar Ferromagnetic Dots. United States. https://doi.org/10.1038/srep25196
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Ding, Junjia, Lapa, Pavel, Jain, Shikha, Khaire, Trupti, Lendinez, Sergi, Zhang, Wei, Jungfleisch, Matthias B., Posada, Christian M., Yefremenko, Volodymyr G., Pearson, John E., Hoffmann, Axel, and Novosad, Valentine. Wed . "Spin Vortex Resonance in Non-planar Ferromagnetic Dots". United States. https://doi.org/10.1038/srep25196. https://www.osti.gov/servlets/purl/1356659.
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@article{osti_1356659,
title = {Spin Vortex Resonance in Non-planar Ferromagnetic Dots},
author = {Ding, Junjia and Lapa, Pavel and Jain, Shikha and Khaire, Trupti and Lendinez, Sergi and Zhang, Wei and Jungfleisch, Matthias B. and Posada, Christian M. and Yefremenko, Volodymyr G. and Pearson, John E. and Hoffmann, Axel and Novosad, Valentine},
abstractNote = {In planar structures, the vortex resonance frequency changes little as a function of an in-plane magnetic field as long as the vortex state persists. Altering the topography of the element leads to a vastly different dynamic response that arises due to the local vortex core confinement effect. In this work, we studied the magnetic excitations in non-planar ferromagnetic dots using a broadband microwave spectroscopy technique. Two distinct regimes of vortex gyration were detected depending on the vortex core position. The experimental results are in qualitative agreement with micromagnetic simulations.},
doi = {10.1038/srep25196},
journal = {Scientific Reports},
number = ,
volume = 6,
place = {United States},
year = {Wed May 04 00:00:00 EDT 2016},
month = {Wed May 04 00:00:00 EDT 2016}
}
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https://doi.org/10.1038/srep25196
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Works referenced in this record:

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    Works referencing / citing this record:

    Probing dynamics of micro-magnets with multi-mode superconducting resonator
    journal, May 2018

    • Golovchanskiy, I. A.; Abramov, N. N.; Stolyarov, V. S.
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    Collective magnetization dynamics in nanoarrays of thin FePd disks
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    Collective magnetization dynamics in nano-arrays of thin FePd discs
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