Volume 116, Number 1, October 2016
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||22 November 2016|
Efficient spin-to-charge conversion in the 2D electron liquid at the LAO/STO interface
1 SPEC, CEA, CNRS, Université Paris-Saclay, CEA Saclay - 91191 Gif sur Yvette, France
2 Département de Physique de la Matière Quantique, University of Geneva - 24 Quai Ernest-Ansermet, Genève 4, 1211, Switzerland
3 Laboratoire de Physique des Solides, UMR 8502 - Bât. 510, 91405 Orsay, France
Received: 23 September 2016
Accepted: 2 November 2016
Spin-to-charge conversion using the inverse Rashba-Edelstein effect is measured in the 2D electron liquid existing at the interface between LaAlO3 and SrTiO3. The effect is found to be larger than in the highly Rashba split Bi/Ag interface which we attribute to an amplifying effect due to a long carrier's momentum lifetime. The explanation is supported by temperature measurements and the Rashba field is also shown to be anisotropic in the interface plane.
PACS: 75.70.Cn – Magnetic properties of interfaces (multilayers, superlattices, heterostructures) / 75.70.Tj – Spin-orbit effects / 75.76.+j – Spin transport effects
© EPLA, 2016
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