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American Institute of Physics, Applied Physics Letters, 16(105), p. 162405, 2014

DOI: 10.1063/1.4899122

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Current-driven spin orbit field in LaAlO3/SrTiO3 heterostructures

Journal article published in 2014 by Kulothungasagaran Narayanapillai, Kalon Gopinadhan, Xuepeng Qiu, Anil Annadi, Ariando, Thirumalai Venkatesan, Hyunsoo Yang ORCID
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This paper is available in a repository.

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Abstract

We demonstrate a current tunable Rashba spin orbit interaction in LaAlO3/SrTiO3 (LAO/STO) quasi two dimensional electron gas system. Anisotropic magnetoresistance measurements are employed to detect and understand the current-induced Rashba field. The effective Rashba field scales with the current and a value of 2.35 T is observed for a dc-current of 200 mu A. The results suggest that LAO/STO heterostructures can be considered for spin orbit torque based magnetization switching. (C) 2014 AIP Publishing LLC.