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Publication Detail / Abstract

A. Fête, S. Gariglio, C. Berthod, D. Li, D. Stornaiuolo, M. Gabay, J.-M. Triscone

Large modulation of the Shubnikov-de Haas oscillations by the Rashba interaction at the LaAlO3/SrTiO3 interface

published in New Journal of Physics on November 11, 2014
> Full text via publisher
We investigate the two-dimensional Fermi surface of high-mobility LaAlO3/SrTiO3 interfaces using Shubnikov-de Haas oscillations. Our analysis of the oscillation pattern underscores the key role played by the Rashba spin-orbit interaction brought about by the breaking of inversion symmetry, as well as the dominant contribution of the heavy dxz/dyz orbitals on electrical transport. We furthermore bring into light the complex evolution of the oscillations with the carrier density, which is tuned by the field effect.
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