Yan, C., Kumar, S., Pepper, M. et al. (5 more authors) (2017) Temperature Dependence of Spin-Split Peaks in Transverse Electron Focusing. Nanoscale Research Letters , 12. 553. ISSN 1556-276X
Abstract
We present experimental results of transverse electron-focusing measurements performed using n-type GaAs. In the presence of a small transverse magnetic field (B⊥), electrons are focused from the injector to detector leading to focusing peaks periodic in B⊥. We show that the odd-focusing peaks exhibit a split, where each sub-peak represents a population of a particular spin branch emanating from the injector. The temperature dependence reveals that the peak splitting is well defined at low temperature whereas it smears out at high temperature indicating the exchange-driven spin polarisation in the injector is dominant at low temperatures.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © The Author(s). 2017 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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. |
Keywords: | Spintronics; Ballistic transport; Transverse electron focusing |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Electronic and Electrical Engineering (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 16 Oct 2017 15:50 |
Last Modified: | 16 Oct 2017 15:50 |
Published Version: | https://doi.org/10.1186/s11671-017-2321-4 |
Status: | Published |
Publisher: | SpringerOpen |
Refereed: | Yes |
Identification Number: | 10.1186/s11671-017-2321-4 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:122526 |