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Title: Study of Surface Character of Micrometer-Scale Dipole-Exchange Spin Waves in an Yttrium Iron Garnet Film

Abstract

We demonstrate that micrometer scale spin waves can be excited in a thin film of the ferrimagnetic material Yttrium Iron Garnet (YIG) using patterned, multi-element, antennas. The magnitude of dynamic magnetic field generated by such antennas decays exponentially along the thickness direction and this leads to an enhanced coupling to modes having a surface-like character as opposed to a more sinusoidal bulk-like character. We have used this property to identify spin waves having a mixed bulk/surface character.

Authors:
ORCiD logo [1];  [2];  [1]; ORCiD logo [3];  [4]; ORCiD logo [4];  [5]; ORCiD logo [1]
  1. Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy
  2. Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy; Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  3. Univ. Leipzig, Leipzig (Germany). Inst. für Theoretische Physik
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
  5. Chang Jung Christian Univ., Tainan (Taiwan). Dept. of Engineering and Management of Advanced Technology
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
OSTI Identifier:
1499293
Grant/Contract Number:  
AC02-06CH11357; SC0014424
Resource Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Magnetics
Additional Journal Information:
Journal Volume: 55; Journal Issue: 2; Journal ID: ISSN 0018-9464
Publisher:
Institute of Electrical and Electronics Engineers. Magnetics Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Dipole-exchange spin wave; hybridization; multi-element antenna; surface mode

Citation Formats

Lim, Jinho, Bang, Wonbae, Trossman, Jonathan, Kreisel, Andreas, Jungfleisch, Matthias Benjamin, Hoffmann, Axel, Tsai, C. C., and Ketterson, John B. Study of Surface Character of Micrometer-Scale Dipole-Exchange Spin Waves in an Yttrium Iron Garnet Film. United States: N. p., 2018. Web. doi:10.1109/TMAG.2018.2864917.
Lim, Jinho, Bang, Wonbae, Trossman, Jonathan, Kreisel, Andreas, Jungfleisch, Matthias Benjamin, Hoffmann, Axel, Tsai, C. C., & Ketterson, John B. Study of Surface Character of Micrometer-Scale Dipole-Exchange Spin Waves in an Yttrium Iron Garnet Film. United States. doi:10.1109/TMAG.2018.2864917.
Lim, Jinho, Bang, Wonbae, Trossman, Jonathan, Kreisel, Andreas, Jungfleisch, Matthias Benjamin, Hoffmann, Axel, Tsai, C. C., and Ketterson, John B. Mon . "Study of Surface Character of Micrometer-Scale Dipole-Exchange Spin Waves in an Yttrium Iron Garnet Film". United States. doi:10.1109/TMAG.2018.2864917. https://www.osti.gov/servlets/purl/1499293.
@article{osti_1499293,
title = {Study of Surface Character of Micrometer-Scale Dipole-Exchange Spin Waves in an Yttrium Iron Garnet Film},
author = {Lim, Jinho and Bang, Wonbae and Trossman, Jonathan and Kreisel, Andreas and Jungfleisch, Matthias Benjamin and Hoffmann, Axel and Tsai, C. C. and Ketterson, John B.},
abstractNote = {We demonstrate that micrometer scale spin waves can be excited in a thin film of the ferrimagnetic material Yttrium Iron Garnet (YIG) using patterned, multi-element, antennas. The magnitude of dynamic magnetic field generated by such antennas decays exponentially along the thickness direction and this leads to an enhanced coupling to modes having a surface-like character as opposed to a more sinusoidal bulk-like character. We have used this property to identify spin waves having a mixed bulk/surface character.},
doi = {10.1109/TMAG.2018.2864917},
journal = {IEEE Transactions on Magnetics},
number = 2,
volume = 55,
place = {United States},
year = {2018},
month = {9}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 1 work
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