Field-like spin torque in magnetic tunnel junctions

Y. H. Tang; N. Kioussis; A. Kalitsov; W. H. Butler; R. Car

doi:10.1088/1742-6596/200/6/062033

Field-like spin torque in magnetic tunnel junctions

Y. H. Tang, N. Kioussis, A. Kalitsov, W. H. Butler, R. Car

Department of Physics

Research output: Contribution to journal › Conference article › peer-review

3 Scopus citations

Abstract

We show that the exchange splitting asymmetry between the left and right ferromagnetic leads in non-collinear magnetic tunnel junctions (MTJ) tunes the bias behavior of the field-like spin torque, T_⊥. These results can be understood by our recently derived general expression, which relates the non-collinear T_⊥ to the algebraic sum of four independent non-equilibrium interlayer exchange couplings (IEC) solely in collinear configurations.

Original language	English
Article number	062033
Journal	Journal of Physics: Conference Series
Volume	200
Issue number	SECTION 6
DOIs	https://doi.org/10.1088/1742-6596/200/6/062033
State	Published - 2010

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title = "Field-like spin torque in magnetic tunnel junctions",

abstract = "We show that the exchange splitting asymmetry between the left and right ferromagnetic leads in non-collinear magnetic tunnel junctions (MTJ) tunes the bias behavior of the field-like spin torque, T⊥. These results can be understood by our recently derived general expression, which relates the non-collinear T⊥ to the algebraic sum of four independent non-equilibrium interlayer exchange couplings (IEC) solely in collinear configurations.",

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AU - Tang, Y. H.

AU - Kioussis, N.

AU - Kalitsov, A.

AU - Butler, W. H.

AU - Car, R.

PY - 2010

Y1 - 2010

N2 - We show that the exchange splitting asymmetry between the left and right ferromagnetic leads in non-collinear magnetic tunnel junctions (MTJ) tunes the bias behavior of the field-like spin torque, T⊥. These results can be understood by our recently derived general expression, which relates the non-collinear T⊥ to the algebraic sum of four independent non-equilibrium interlayer exchange couplings (IEC) solely in collinear configurations.

AB - We show that the exchange splitting asymmetry between the left and right ferromagnetic leads in non-collinear magnetic tunnel junctions (MTJ) tunes the bias behavior of the field-like spin torque, T⊥. These results can be understood by our recently derived general expression, which relates the non-collinear T⊥ to the algebraic sum of four independent non-equilibrium interlayer exchange couplings (IEC) solely in collinear configurations.

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JO - Journal of Physics: Conference Series

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Field-like spin torque in magnetic tunnel junctions

Abstract

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