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Volumn 74, Issue 22, 2006, Pages

Effect of bias-induced spin flips on spin torque: Enhancement of current and spin transfer in magnetic tunnel junctions

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EID: 33846270675     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.74.224446     Document Type: Article
Times cited : (16)

References (28)
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    • This form is a shorthand for integrating the transmission probabilities over a Fermi distribution whose chemical potential is given by μ. As we do not dwell on the energy dependence of the density of states or the transmission amplitudes, we use this abbreviated form here. See Chap., especially Eq. (2.4.2a) in Supriyo Datta, Electronic Transport in Mesoscopic Systems (Cambridge University Press, Cambridge, UK, 1995).
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    • X. Waintal, E. B. Myers, P. W. Brouwer, and D. C. Ralph, Phys. Rev. B PRBMDO 0163-1829 10.1103/PhysRevB.62.12317 62, 12317 (2000); see in particular Fig. 2, which shows that the torque on the free layers changes sign when the direction of the electron current is reversed.
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