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Designing a spin-Seebeck diode

Designing a spin-Seebeck diode
Designing a spin-Seebeck diode
Using micromagnetic simulations, we have investigated spin dynamics in a spin-valve bilayer in the presence of a thermal gradient. The direction and the intensity of the gradient allow us to excite the spin wave modes of each layer selectively. This permits us to synchronize the magnetization precession of the two layers and to rectify the flows of energy and magnetization through the system. Our study yields promising opportunities for applications in spin caloritronics and nanophononics devices.
047203-5
Borlenghi, Simone
e1bdbd44-c17d-4461-bda9-632c4d7ca85b
Wang, Wei Wei
4f9a9d31-9b5b-4d32-ad7f-5e9651ed26c0
Fangohr, H.
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Bergqvist, Lars
1785d1b4-5fd6-423e-8161-8c8c07b72225
Delin, Anna
b3d2eb38-7ec6-46d1-a7a5-d871fca67277
Borlenghi, Simone
e1bdbd44-c17d-4461-bda9-632c4d7ca85b
Wang, Wei Wei
4f9a9d31-9b5b-4d32-ad7f-5e9651ed26c0
Fangohr, H.
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Bergqvist, Lars
1785d1b4-5fd6-423e-8161-8c8c07b72225
Delin, Anna
b3d2eb38-7ec6-46d1-a7a5-d871fca67277

Borlenghi, Simone, Wang, Wei Wei, Fangohr, H., Bergqvist, Lars and Delin, Anna (2014) Designing a spin-Seebeck diode. Physical Review Letters, 112 (4), 047203-5. (doi:10.1103/PhysRevLett.112.047203).

Record type: Article

Abstract

Using micromagnetic simulations, we have investigated spin dynamics in a spin-valve bilayer in the presence of a thermal gradient. The direction and the intensity of the gradient allow us to excite the spin wave modes of each layer selectively. This permits us to synchronize the magnetization precession of the two layers and to rectify the flows of energy and magnetization through the system. Our study yields promising opportunities for applications in spin caloritronics and nanophononics devices.

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Borlenghi et al PRL 112-047203-2014.pdf - Accepted Manuscript
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Published date: 31 January 2014
Organisations: Computational Engineering & Design Group

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Local EPrints ID: 362251
URI: https://eprints.soton.ac.uk/id/eprint/362251
PURE UUID: 6e730a1d-11a3-4297-b44e-94d14b869066

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Date deposited: 19 Feb 2014 13:50
Last modified: 29 Nov 2018 17:32

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Contributors

Author: Simone Borlenghi
Author: Wei Wei Wang
Author: H. Fangohr
Author: Lars Bergqvist
Author: Anna Delin

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