Anomalous magneto-transport at the superconducting interface between LaAlO3 and SrTiO3

M. Sachs, D. Rakhmilevitch, M. Ben Shalom, S. Shefler, A. Palevski, Y. Dagan

Research output: Contribution to journalArticlepeer-review

Abstract

The magnetoresistance as a function of temperature and field for atomically flat interfaces between 8 unit cells of LaAlO3 and SrTiO3 is reported. Anomalous anisotropic behavior of the magnetoresistance is observed below 30 K for superconducting samples with carrier concentration of 3.5 × 1013 cm-2. We associate this behavior to a magnetic order formed at the interface.

Original languageEnglish
Pages (from-to)S746-S748
JournalPhysica C: Superconductivity and its Applications
Volume470
Issue numberSUPPL.1
DOIs
StatePublished - Dec 2010

Keywords

  • LaAlO-SrTiO interfaces
  • Magnetism
  • Magnetoresistance anisotropy
  • Superconductivity
  • Two dimensional electron gas

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