Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt
Abstract
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.
- Authors:
-
- Univ. of Münster (Germany). Inst. for Applied Physics. Center for Nanotechnology
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- Univ. of California, Riverside, CA (United States). Dept. of Physics and Astronomy
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy; Univ. of California, Riverside, CA (United States). Dept. of Physics and Astronomy
- Russian Academy of Sciences (RAS), Ekaterinburg (Russian Federation). Inst. of Metal Physics
- Univ. of Texas, Austin, TX (United States). Dept. of Physics. Center for Complex Quantum Systems
- Univ. of Münster (Germany). Inst. for Applied Physics. Center for Nanotechnology; Russian Academy of Sciences (RAS), Ekaterinburg (Russian Federation). Inst. of Metal Physics
- Publication Date:
- Research Org.:
- Univ. of California, Riverside, CA (United States); Univ. of Münster (Germany); Russian Academy of Sciences (RAS), Ekaterinburg (Russian Federation); Energy Frontier Research Centers (EFRC) (United States). Spins and Heat in Nanoscale Electronic Systems (SHINES)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); German Research Foundation (DFG); Ministry of Education and Science (Russian Federation)
- OSTI Identifier:
- 1499994
- Grant/Contract Number:
- SC0012670; 14.Z50.31.0025
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 8; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; applied physics; electronic and spintronic devices
Citation Formats
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., and Demokritov, S. O. Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt. United States: N. p., 2018.
Web. doi:10.1038/s41598-018-19606-5.
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. United States. https://doi.org/10.1038/s41598-018-19606-5
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., and Demokritov, S. O. Fri .
"Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt". United States. https://doi.org/10.1038/s41598-018-19606-5. https://www.osti.gov/servlets/purl/1499994.
@article{osti_1499994,
title = {Spin Hall-induced auto-oscillations in ultrathin YIG grown on Pt},
author = {Evelt, M. and Safranski, C. and Aldosary, Mohammed and Demidov, V. E. and Barsukov, I. and Nosov, A. P. and Rinkevich, A. B. and Sobotkiewich, K. and Li, Xiaoqin and Shi, Jing and Krivorotov, I. N. and Demokritov, S. O.},
abstractNote = {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.},
doi = {10.1038/s41598-018-19606-5},
journal = {Scientific Reports},
number = ,
volume = 8,
place = {United States},
year = {Fri Jan 19 00:00:00 EST 2018},
month = {Fri Jan 19 00:00:00 EST 2018}
}
Web of Science
Figures / Tables:
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Works referencing / citing this record:
Spin torque nano-oscillator driven by combined spin injection from tunneling and spin Hall current
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