Journal
APPLIED SURFACE SCIENCE
Volume 256, Issue 12, Pages 4027-4030Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2010.01.071
Keywords
Non-magnetic heterostructure; Spin-orbit coupling; Spin polarization
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We theoretically investigate the electron transport properties in a non-magnetic heterostructure with both Dresselhaus and Rashba spin-orbit interactions. The detailed-numerical results show that (1) the large spin polarization can be achieved due to Dresselhaus and Rashba spin-orbit couplings induced splitting of the resonant level, although the magnetic field is zero in such a structure, (2) the Rashba spin-orbit coupling plays a greater role on the spin polarization than the Dresselhaus spin-orbit interaction does, and (3) the transmission probability and the spin polarization both periodically change with the increase of the well width. (C) 2010 Elsevier B. V. All rights reserved.
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