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Influence of in-Plane Magnetic Field on Spin Polarization in the Presence of the Oft-neglected k3-Dresselhaus Spin-Orbit Coupling
KNT University of Technology.
2008 (English)In: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 372, no 38, p. 6022-6025Article in journal (Refereed) Published
Abstract [en]

The influence of in-plane magnetic field on spin polarization in the presence of the oft-neglected k3k3-Dresselhaus spin–orbit coupling was investigated. The k3k3-Dresselhaus term can produce a limited spin polarization. The in-plane magnetic field plays a great role in the tunneling process. It can generate the perfect spin polarization of the electrons and the ideal transmission coefficient for spin up and down simultaneously. In energy scale, complete separation between spin up and down resonance was obtained by a relatively higher in-plane magnetic field while a comparatively lower in-plane magnetic field vanishes the spin separation. On the other hand, the spin relaxation can be suppressed by compensating the oft-neglected k3k3-Dresselhaus spin orbit coupling using a relatively lower in-plane magnetic field.

Place, publisher, year, edition, pages
Elsevier, 2008. Vol. 372, no 38, p. 6022-6025
Keywords [en]
Semiconductor; Tunneling; Spin polarization; Dresselhaus spin–orbit coupling
National Category
Condensed Matter Physics
Research subject
Physics, Condensed Matter Physics
Identifiers
URN: urn:nbn:se:lnu:diva-31776DOI: 10.1016/j.physleta.2008.08.009OAI: oai:DiVA.org:lnu-31776DiVA, id: diva2:691912
Available from: 2014-01-29 Created: 2014-01-29 Last updated: 2017-12-06Bibliographically approved

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Mahani, Mohammad Reza

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