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Spin-orbit interaction in InAs/GaSb heterostructures quantified by weak antilocalization
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Herling, F., Morrison, Christopher, Knox, C. S., Zhang, S., Newell, Oliver, Myronov, Maksym, Linfield, E. H. and Marrows, C. H. (2017) Spin-orbit interaction in InAs/GaSb heterostructures quantified by weak antilocalization. Physical Review B (Condensed Matter and Materials Physics), 95 (15). 155307 . doi:10.1103/PhysRevB.95.155307 ISSN 2469-9950.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.95.155307
Abstract
We study the spin-orbit interaction (SOI) in InAs/GaSb and InAs quantum wells. We show through temperature- and gate-dependent magnetotransport measurements of weak antilocalization that the dominant spin-orbit relaxation mechanism in our low-mobility heterostructures is Elliott-Yafet and not Dyakonov-Perel in the form of the Rashba or Dresselhaus SOI as previously suggested. We compare our findings with recent work on this material system and show that the SOI length lies within the same range. The SOI length may be controlled using an electrostatic gate, opening up prospects for developing spintronic applications.
Item Type: | Journal Article | ||||||
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Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
Library of Congress Subject Headings (LCSH): | Quantum wells, Heterostructures, Spintronics , Electron gas | ||||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||
Publisher: | American Physical Society | ||||||
ISSN: | 2469-9950 | ||||||
Official Date: | 10 April 2017 | ||||||
Dates: |
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Volume: | 95 | ||||||
Number: | 15 | ||||||
Article Number: | 155307 | ||||||
DOI: | 10.1103/PhysRevB.95.155307 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Date of first compliant deposit: | 3 May 2017 | ||||||
Date of first compliant Open Access: | 9 May 2017 | ||||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), Erasmus Mundus (Program) | ||||||
Grant number: | EP/M000923/1 (EPSRC) |
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