Analysis of Low Temperature Magnetoresistance of LaAlO3/SrTiO3 Interfaces

Stefano Gariglio; Alexandre Fête; Daniela Stornaiuolo; Danfeng Li; Marc Gabay; Jean-Marc Triscone

doi:10.1117/12.2045022

8 March 2014 Analysis of low temperature magnetoresistance of LaAlO₃/SrTiO₃ interfaces

Stefano Gariglio, Alexandre Fête, Daniela Stornaiuolo, Danfeng Li, Marc Gabay, Jean-Marc Triscone

Proceedings Volume 8987, Oxide-based Materials and Devices V; 898711 (2014) https://doi.org/10.1117/12.2045022
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

For a two-dimensional electron gas, the breaking of inversion symmetry induces a Rashba spin-orbit coupling which modifies its band electronic structure. A clear manifestation of this effect can be observed in the behavior of the electrical resistance in magnetic field. In this paper we study a two-dimensional electron gas at an oxide interface and review the physical properties observed at low temperature upon carrier density modulation achieved by field effect. We analyze magnetoresistance curves measured at different temperatures within the theory of weak localization in the presence of spin-orbit to uncover the strength of the Rashba coupling.

Citation Download Citation

Stefano Gariglio, Alexandre Fête, Daniela Stornaiuolo, Danfeng Li, Marc Gabay, and Jean-Marc Triscone "Analysis of low temperature magnetoresistance of LaAlO₃/SrTiO₃ interfaces", Proc. SPIE 8987, Oxide-based Materials and Devices V, 898711 (8 March 2014); https://doi.org/10.1117/12.2045022

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