Stefanou, G orcid.org/0000-0002-8017-9498, Menges, F, Boehm, B et al. (8 more authors) (2021) Scanning Thermal Microscopy and Ballistic Phonon Transport in Lateral Spin Valves. Physical Review Letters, 127 (3). 035901. ISSN 0031-9007
Abstract
Using scanning thermal microscopy, we have mapped the spatial distribution of temperatures in an operating nanoscale device formed from a magnetic injector, an Ag connecting wire, and a magnetic detector. An analytical model explained the thermal diffusion over the measured temperature range (2–300 K) and injector-detector separation (400–3000 nm). The characteristic diffusion lengths of the Peltier and Joule heat differ remarkably below 60 K, a fact that can be explained by the onset of ballistic phonon heat transfer in the substrate.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2021 American Physical Society. This is an author produced version of an article published in Physical Review Letters. Uploaded in accordance with the publisher's self-archiving policy. |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Physics and Astronomy (Leeds) > Condensed Matter (Leeds) |
Funding Information: | Funder Grant number EPSRC (Engineering and Physical Sciences Research Council) EP/M000923/1 EU - European Union 316657 |
Depositing User: | Symplectic Publications |
Date Deposited: | 28 Jul 2021 16:46 |
Last Modified: | 09 Jan 2025 09:17 |
Status: | Published |
Publisher: | American Physical Society (APS) |
Identification Number: | 10.1103/physrevlett.127.035901 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:176302 |