Anisotropic magnetotransport at the SrTiO3/LaAlO3 interface

M. Ben Shalom; C. W. Tai; Y. Lereah; M. Sachs; E. Levy; D. Rakhmilevitch; A. Palevski; Y. Dagan

doi:10.1103/PhysRevB.80.140403

Anisotropic magnetotransport at the SrTiO₃/LaAlO₃ interface

M. Ben Shalom^*, C. W. Tai, Y. Lereah, M. Sachs, E. Levy, D. Rakhmilevitch, A. Palevski, Y. Dagan

^*Corresponding author for this work

School of Physics and Astronomy

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Abstract

The sheet resistance as a function of temperature, magnetic field and its orientation for atomically flat SrTiO₃/LaAlO₃ interfaces with carrier densities of ∼3× 10¹³ cm^-2 is reported. At low magnetic fields superconductivity is observed below 130 mK. The temperature dependence of the high field magnetoresistance and its strong anisotropy suggest possible magnetic ordering below 35 K. The origin of this ordering and its possible relation to superconductivity are discussed.

Original language	English
Article number	140403
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	80
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.80.140403
State	Published - 8 Oct 2009

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10.1103/PhysRevB.80.140403

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abstract = "The sheet resistance as a function of temperature, magnetic field and its orientation for atomically flat SrTiO3/LaAlO3 interfaces with carrier densities of ∼3× 1013 cm-2 is reported. At low magnetic fields superconductivity is observed below 130 mK. The temperature dependence of the high field magnetoresistance and its strong anisotropy suggest possible magnetic ordering below 35 K. The origin of this ordering and its possible relation to superconductivity are discussed.",

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AU - Rakhmilevitch, D.

AU - Palevski, A.

AU - Dagan, Y.

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Anisotropic magnetotransport at the SrTiO₃/LaAlO₃ interface

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