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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Spin filtering in nanowire directional coupler

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Author(s):
Rebello Sousa Dias, M. [1, 2, 3, 4, 5] ; Lopez-Richard, V. [2] ; Marques, G. E. [2] ; Ulloa, S. [1, 3, 4, 5]
Total Authors: 4
Affiliation:
[1] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 - USA
[2] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP - Brazil
[3] Ohio Univ, Nanoscale & Quantum Phenomena Inst, Athens, OH 45701 - USA
[4] Free Univ Berlin, Dahlem Ctr Complex Quantum Syst, D-14195 Berlin - Germany
[5] Free Univ Berlin, Fachbereich Phys, D-14195 Berlin - Germany
Total Affiliations: 5
Document type: Journal article
Source: EPL; v. 106, n. 1 APR 2014.
Web of Science Citations: 3
Abstract

The spin transport characteristics of a nanowire directional electronic coupler have been evaluated theoretically via a transfer matrix approach. The application of a gate field in the region of mixing allows for control of spin current through the different leads of the coupler via the Rashba spin-orbit interaction. The combination of spin-orbit interaction and applied gate voltages on different legs of the coupler give rise to a controllable modulation of the spin polarization. Both structural factors and field strength tuning lead to a rich phenomenology that could be exploited in spintronic devices. Copyright (C) EPLA, 2014. (AU)

FAPESP's process: 12/02655-1 - Nanooptical systems and nanoelectronic devices
Grantee:Victor Lopez Richard
Support Opportunities: Regular Research Grants