Spin-Torque Excitation of Perpendicular Standing Spin Waves in Coupled YIG/Co Heterostructures
| Type of Publication: | Journal article |
| Publication status: | Published |
| Author: | Klingler, Stefan; Amin, Vivek; Geprägs, Stephan; Ganzhorn, Kathrin; Maier-Flaig, Hannes; Althammer, Matthias; Huebl, Hans; Gross, Rudolf; Gönnenwein, Sebastian T. B.; Weiler, Mathias et al. |
| Year of publication: | 2018 |
| Published in: | Physical Review Letters ; 120 (2018), 12. - 127201. - American Physical Society (APS). - ISSN 0031-9007. - eISSN 1079-7114 |
| Pubmed ID: | 29694068 |
| ArXiv-ID: | arXiv:1712.02561 |
| DOI (citable link): | https://dx.doi.org/10.1103/PhysRevLett.120.127201 |
| Summary: |
We investigate yttrium iron garnet (YIG)/cobalt (Co) heterostructures using broadband ferromagnetic resonance (FMR). We observe an efficient excitation of perpendicular standing spin waves (PSSWs) in the YIG layer when the resonance frequencies of the YIG PSSWs and the Co FMR line coincide. Avoided crossings of YIG PSSWs and the Co FMR line are found and modeled using mutual spin pumping and exchange torques. The excitation of PSSWs is suppressed by a thin aluminum oxide interlayer but persists with a copper interlayer, in agreement with the proposed model.
|
| Subject (DDC): | 530 Physics |
| Refereed: | Yes |
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KLINGLER, Stefan, Vivek AMIN, Stephan GEPRÄGS, Kathrin GANZHORN, Hannes MAIER-FLAIG, Matthias ALTHAMMER, Hans HUEBL, Rudolf GROSS, Sebastian T. B. GÖNNENWEIN, Mathias WEILER, 2018. Spin-Torque Excitation of Perpendicular Standing Spin Waves in Coupled YIG/Co Heterostructures. In: Physical Review Letters. American Physical Society (APS). 120(12), 127201. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.120.127201
@article{Klingler2018-03-23SpinT-51822, title={Spin-Torque Excitation of Perpendicular Standing Spin Waves in Coupled YIG/Co Heterostructures}, year={2018}, doi={10.1103/PhysRevLett.120.127201}, number={12}, volume={120}, issn={0031-9007}, journal={Physical Review Letters}, author={Klingler, Stefan and Amin, Vivek and Geprägs, Stephan and Ganzhorn, Kathrin and Maier-Flaig, Hannes and Althammer, Matthias and Huebl, Hans and Gross, Rudolf and Gönnenwein, Sebastian T. B. and Weiler, Mathias}, note={Article Number: 127201} }
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