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Phys. Rev. B 71, 035327 (2005) [6 pages]

Mechanically assisted spin-dependent transport of electrons

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L. Y. Gorelik1,*, S. I. Kulinich1,2, R. I. Shekhter1, M. Jonson1, and V. M. Vinokur3
1Department of Applied Physics, Chalmers University of Technology and Göteborg University, SE-412 96 Göteborg, Sweden
2B. I. Verkin Institute for Low Temperature Physics and Engineering, 47 Lenin Avenue, 61103 Kharkov, Ukraine
3Materials Science Division, Argonne National Laboratory, 9700 South Cass, Argonne, Illinois 6043, USA

Received 26 August 2004; published 20 January 2005

Spin-dependent tunneling of electrons through magnetic nanostructures containing a mechanically movable quantum dot is considered. It is shown that the mechanically assisted current can be made strongly sensitive to an external magnetic field, leading to a giant magnetotransmittance effect for weak external fields of order 1–10 Oe.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.71.035327
DOI:
10.1103/PhysRevB.71.035327
PACS:
73.43.Jn, 73.61.Ey, 72.25.Hg

*Electronic address: gorelik@fy.chalmers.se

 
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