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Teoreticheskaya i Matematicheskaya Fizika, 2011, Volume 168, Number 3, Pages 428–440
DOI: https://doi.org/10.4213/tmf6691 (Mi tmf6691) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Spin-polarized transport in structures with tunnel barriers

A. V. Vedyaeva, O. A. Kotel'nikovaa, L. Yu. Lystzevaa, N. V. Rzhanovaa, N. V. Strelkova, M. G. Chshievb

a Lomonosov Moscow State University, Moscow, Russia
b SPINTEC, CEA/CNRS/UJF, Grenoble, France
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DOI: https://doi.org/10.4213/tmf6691
Abstract: We study spin-dependent transport theoretically in structures with a barrier composed of magnesium oxide and ferromagnetic electrodes with a noncollinear orientation of magnetizations in the ferromagnetic layers. We consider the effects of tunnel magnetoresistance and of the spin torque in the two-band s–d model using the Keldysh technique of nonequilibrium Green's functions with the s–d hybridization taken into account. We investigate the role of a chromium layer as an additional spin filter for s electrons and the possibility of increasing the effects of tunnel magnetoresistance and of the spin torque for the resonance tunneling in the five-layer structure Fe|Cr|Fe|MgO|Fe.
Keywords: tunnel magnetoresistance, spin-polarized current, spin torque, multilayer nanostructure.
Received: 22.02.2011
English version:
Theoretical and Mathematical Physics, 2011, Volume 168, Issue 3, Pages 1225–1235
DOI: https://doi.org/10.1007/s11232-011-0100-4
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. V. Vedyaev, O. A. Kotel'nikova, L. Yu. Lystzeva, N. V. Rzhanova, N. V. Strelkov, M. G. Chshiev, “Spin-polarized transport in structures with tunnel barriers”, TMF, 168:3 (2011), 428–440; Theoret. and Math. Phys., 168:3 (2011), 1225–1235
Citation in format AMSBIB
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    • This publication is cited in the following 1 articles:
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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