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  Non-reciprocal Pumping of Surface Acoustic Waves by Spin Wave Resonance

Yamamoto, K., Yu, W., Yu, T., Puebla, J., Xu, M., Maekawa, S., et al. (2020). Non-reciprocal Pumping of Surface Acoustic Waves by Spin Wave Resonance. Journal of the Physical Society of Japan, 89(11): 113702. doi:10.7566/JPSJ.89.113702.

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 Creators:
Yamamoto, K.1, 2, Author
Yu, W.3, Author
Yu, T.4, Author           
Puebla, J.2, Author
Xu, M.2, 5, Author
Maekawa, S.1, 2, 6, Author
Bauer, G.3, 7, Author
Affiliations:
1Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, ou_persistent22              
2CEMS, RIKEN, ou_persistent22              
3Institute for Materials Research, Tohoku University, ou_persistent22              
4Theoretical Description of Pump-Probe Spectroscopies in Solids, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_3012828              
5Institute for Solid State Physics, University of Tokyo, ou_persistent22              
6Kavli Institute for Theoretical Sciences, University of Chinese Academy of Sciences, ou_persistent22              
7Advanced Institute for Materials Research, Tohoku University, ou_persistent22              

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 Abstract: We predict that surface acoustic waves are generated preferentially in one direction in a heterostructure of a thin magnetic film on a non-magnetic substrate. The non-reciprocity arises from magneto-elastic coupling and magneto-rotation coupling, the former being dominant for YIG/GGG heterostructures. For YIG films thinner than about 100 nm, the surface acoustic wave amplitude is nearly unidirectional at certain angles of the in-plane equilibrium magnetisation. We compute the full magnetic field dependence of the effect for a selected device.

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Language(s): eng - English
 Dates: 2020-07-292020-09-162020-10-072020-11-15
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.7566/JPSJ.89.113702
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Project name : The authors would like to thank Kazuya Harii, Jun'ichi Ieda, Hidekazu Kurebayashi, and Michiyasu Mori for helpful comments. This work was performed under the Inter-University Cooperative Research Program of the Institute for Materials Research, Tohoku University (Proposal Nos. 19K0007, 20K0033), and was supported by JSPS KAKENHI Grant Numbers JP19K21040, JP20K14369, JP20237075, JP19J21720, JP19H006450, JP20H01865.
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Title: Journal of the Physical Society of Japan
Source Genre: Journal
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Publ. Info: Tokyo : The Society
Pages: - Volume / Issue: 89 (11) Sequence Number: 113702 Start / End Page: - Identifier: ISSN: 0031-9015
CoNE: https://pure.mpg.de/cone/journals/resource/954925433407