Publikation: Magnon, phonon, and electron temperature profiles and the spin Seebeck effect in magnetic insulator/normal metal hybrid structures
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2013
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Schreier, Michael
Weiler, Mathias
Xiao, Jiang
Bauer, Gerrit E. W.
Gross, Rudolf
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Physical Review B. American Physical Society (APS). 2013, 88(9), 094410. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.88.094410
Zusammenfassung
We calculate the phonon, electron, and magnon temperature profiles in yttrium iron garnet/platinum bilayers by diffusive theory with appropriate boundary conditions, in particular taking into account interfacial thermal resistances. Our calculations show that in thin film hybrids, the interface magnetic heat conductance qualitatively affects the magnon temperature. Based on published material parameters we assess the degree of nonequilibrium at the yttrium iron garnet/platinum interface. The magnitude of the spin Seebeck effect derived from this approach compares well with experimental results for the longitudinal spin Seebeck effect. Additionally, we address the temperature profiles in the transverse spin Seebeck effect.
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SCHREIER, Michael, Akashdeep KAMRA, Mathias WEILER, Jiang XIAO, Gerrit E. W. BAUER, Rudolf GROSS, Sebastian T. B. GOENNENWEIN, 2013. Magnon, phonon, and electron temperature profiles and the spin Seebeck effect in magnetic insulator/normal metal hybrid structures. In: Physical Review B. American Physical Society (APS). 2013, 88(9), 094410. ISSN 2469-9950. eISSN 2469-9969. Available under: doi: 10.1103/PhysRevB.88.094410BibTex
@article{Schreier2013-06-18T18:41:11ZMagno-52432,
year={2013},
doi={10.1103/PhysRevB.88.094410},
title={Magnon, phonon, and electron temperature profiles and the spin Seebeck effect in magnetic insulator/normal metal hybrid structures},
number={9},
volume={88},
issn={2469-9950},
journal={Physical Review B},
author={Schreier, Michael and Kamra, Akashdeep and Weiler, Mathias and Xiao, Jiang and Bauer, Gerrit E. W. and Gross, Rudolf and Goennenwein, Sebastian T. B.},
note={Article Number: 094410}
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<dcterms:abstract xml:lang="eng">We calculate the phonon, electron, and magnon temperature profiles in yttrium iron garnet/platinum bilayers by diffusive theory with appropriate boundary conditions, in particular taking into account interfacial thermal resistances. Our calculations show that in thin film hybrids, the interface magnetic heat conductance qualitatively affects the magnon temperature. Based on published material parameters we assess the degree of nonequilibrium at the yttrium iron garnet/platinum interface. The magnitude of the spin Seebeck effect derived from this approach compares well with experimental results for the longitudinal spin Seebeck effect. Additionally, we address the temperature profiles in the transverse spin Seebeck effect.</dcterms:abstract>
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