Manipulating the Voltage Dependence of Tunneling Spin Torques

A. Manchon

doi:10.1117/12.929484

9 October 2012 Manipulating the voltage dependence of tunneling spin torques

A. Manchon

Proceedings Volume 8461, Spintronics V; 84610S (2012) https://doi.org/10.1117/12.929484
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

Abstract

Voltage-driven spin transfer torques in magnetic tunnel junctions provide an outstanding tool to design advanced spin-based devices for memory and reprogrammable logic applications. The non-linear voltage dependence of the torque has a direct impact on current-driven magnetization dynamics and on devices performances. After a brief overview of the progress made to date in the theoretical description of the spin torque in tunnel junctions, I present different ways to alter and control the bias dependence of both components of the spin torque. Engineering the junction (barrier and electrodes) structural asymmetries or controlling the spin accumulation profile in the free layer offer promising tools to design effcient spin devices.

Citation Download Citation

A. Manchon "Manipulating the voltage dependence of tunneling spin torques", Proc. SPIE 8461, Spintronics V, 84610S (9 October 2012); https://doi.org/10.1117/12.929484

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