Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt

We experimentally study nanowire-shaped spin-Hall nano-oscillators based on nanometer-thick epitaxial films of Yttrium Iron Garnet grown on top of a layer of Pt. We show that, although these films are characterized by significantly larger magnetic damping in comparison with the films grown directly...

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Autores principales: Evelt, M., Safranski, C., Aldosary, Mohammed, Demidov, V. E., Barsukov, I., Nosov, A. P., Rinkevich, A. B., Sobotkiewich, K., Li, Xiaoqin, Shi, Jing, Krivorotov, I. N., Demokritov, S. O.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5775304/
https://www.ncbi.nlm.nih.gov/pubmed/29352149
http://dx.doi.org/10.1038/s41598-018-19606-5
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author Evelt, M.
Safranski, C.
Aldosary, Mohammed
Demidov, V. E.
Barsukov, I.
Nosov, A. P.
Rinkevich, A. B.
Sobotkiewich, K.
Li, Xiaoqin
Shi, Jing
Krivorotov, I. N.
Demokritov, S. O.
author_facet Evelt, M.
Safranski, C.
Aldosary, Mohammed
Demidov, V. E.
Barsukov, I.
Nosov, A. P.
Rinkevich, A. B.
Sobotkiewich, K.
Li, Xiaoqin
Shi, Jing
Krivorotov, I. N.
Demokritov, S. O.
author_sort Evelt, M.
collection PubMed
description We experimentally study nanowire-shaped spin-Hall nano-oscillators based on nanometer-thick epitaxial films of Yttrium Iron Garnet grown on top of a layer of Pt. We show that, although these films are characterized by significantly larger magnetic damping in comparison with the films grown directly on Gadolinium Gallium Garnet, they allow one to achieve spin current-driven auto-oscillations at comparable current densities, which can be an indication of the better transparency of the interface to the spin current. These observations suggest a route for improvement of the flexibility of insulator-based spintronic devices and their compatibility with semiconductor technology.
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spelling pubmed-57753042018-01-26 Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt Evelt, M. Safranski, C. Aldosary, Mohammed Demidov, V. E. Barsukov, I. Nosov, A. P. Rinkevich, A. B. Sobotkiewich, K. Li, Xiaoqin Shi, Jing Krivorotov, I. N. Demokritov, S. O. Sci Rep Article We experimentally study nanowire-shaped spin-Hall nano-oscillators based on nanometer-thick epitaxial films of Yttrium Iron Garnet grown on top of a layer of Pt. We show that, although these films are characterized by significantly larger magnetic damping in comparison with the films grown directly on Gadolinium Gallium Garnet, they allow one to achieve spin current-driven auto-oscillations at comparable current densities, which can be an indication of the better transparency of the interface to the spin current. These observations suggest a route for improvement of the flexibility of insulator-based spintronic devices and their compatibility with semiconductor technology. Nature Publishing Group UK 2018-01-19 /pmc/articles/PMC5775304/ /pubmed/29352149 http://dx.doi.org/10.1038/s41598-018-19606-5 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Evelt, M.
Safranski, C.
Aldosary, Mohammed
Demidov, V. E.
Barsukov, I.
Nosov, A. P.
Rinkevich, A. B.
Sobotkiewich, K.
Li, Xiaoqin
Shi, Jing
Krivorotov, I. N.
Demokritov, S. O.
Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title_full Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title_fullStr Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title_full_unstemmed Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title_short Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
title_sort spin hall-induced auto-oscillations in ultrathin yig grown on pt
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5775304/
https://www.ncbi.nlm.nih.gov/pubmed/29352149
http://dx.doi.org/10.1038/s41598-018-19606-5
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