Six-fold crystalline anisotropic magnetoresistance in the (111) LaAlO3/ SrTiO3 oxide interface

P. K. Rout, I. Agireen, E. Maniv, M. Goldstein, Y. Dagan

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


We measured the magnetoresistance of the 2D electron liquid formed at the (111) LaAlO3/SrTiO3 interface. The hexagonal symmetry of the interface is manifested in a six-fold crystalline component appearing in the anisotropic magnetoresistance (AMR) and planar Hall data, which agree well with symmetry analysis we performed. The six-fold component increases with carrier concentration, reaching 15% of the total AMR signal. Our results suggest the coupling between higher itinerant electronic bands and the crystal as the origin of this effect and demonstrate that the (111) oxide interface is a unique hexagonal system with tunable magnetocrystalline effects.

Original languageEnglish
Article number241107
JournalPhysical Review B
Issue number24
StatePublished - 9 Jun 2017
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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