CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Spin Filtering in a Nanowire Superlattice by Dresselhause Spin-Orbit Coupling |
Samad Javidan*
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Department of physics, Faculty of Science, KNT University of Technology, P.O. Box 15875-4416, Tehran, Iran |
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Cite this article: |
Samad Javidan 2011 Chin. Phys. Lett. 28 088502 |
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Abstract An InAs/GaSb nanowire superlattice using GaAs for the impure layers is proposed. Dresselhaus spin-orbit coupling eliminates spin degeneracy, induces one miniband in the superlattices to split into two minibands and leads to complete spin polarization and excellent filtering by optimizing the well and barrier widths and GaAs layer distances.
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Keywords:
85.75.-d
67.57.Lm
72.25.Dc
71.70.Ej
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Received: 27 November 2010
Published: 28 July 2011
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PACS: |
85.75.-d
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(Magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields)
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67.57.Lm
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72.25.Dc
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(Spin polarized transport in semiconductors)
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71.70.Ej
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(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
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