Interplay between sheet resistance increase and magnetotransport properties in LaAlO 3/SrTiO 3

Snir Seri; Moty Schultz; Lior Klein

doi:10.1103/PhysRevB.86.085118

Interplay between sheet resistance increase and magnetotransport properties in LaAlO ₃/SrTiO ₃

Snir Seri, Moty Schultz, Lior Klein

Department of Physics - at Bar-Ilan University

Bar-Ilan University

Research output: Contribution to journal › Article › peer-review

Abstract

We find that the sheet resistance (R _s) of patterned samples of LaAlO ₃/SrTiO ₃ with a length scale of several microns may increase significantly at low temperatures in connection with driving electrical currents and applying in-plane magnetic fields. As the samples are warmed up, R _s recovers to its original value with accelerated recovery near 70K and 160K. Concomitantly with the increase in R _s, the carrier density and the mobility decrease and magnetotransport properties which may be linked to magnetism are suppressed.

Original language	English
Article number	085118
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	86
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.86.085118
State	Published - 15 Aug 2012

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.86.085118

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abstract = "We find that the sheet resistance (R s) of patterned samples of LaAlO 3/SrTiO 3 with a length scale of several microns may increase significantly at low temperatures in connection with driving electrical currents and applying in-plane magnetic fields. As the samples are warmed up, R s recovers to its original value with accelerated recovery near 70K and 160K. Concomitantly with the increase in R s, the carrier density and the mobility decrease and magnetotransport properties which may be linked to magnetism are suppressed.",

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year = "2012",

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doi = "10.1103/PhysRevB.86.085118",

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N2 - We find that the sheet resistance (R s) of patterned samples of LaAlO 3/SrTiO 3 with a length scale of several microns may increase significantly at low temperatures in connection with driving electrical currents and applying in-plane magnetic fields. As the samples are warmed up, R s recovers to its original value with accelerated recovery near 70K and 160K. Concomitantly with the increase in R s, the carrier density and the mobility decrease and magnetotransport properties which may be linked to magnetism are suppressed.

AB - We find that the sheet resistance (R s) of patterned samples of LaAlO 3/SrTiO 3 with a length scale of several microns may increase significantly at low temperatures in connection with driving electrical currents and applying in-plane magnetic fields. As the samples are warmed up, R s recovers to its original value with accelerated recovery near 70K and 160K. Concomitantly with the increase in R s, the carrier density and the mobility decrease and magnetotransport properties which may be linked to magnetism are suppressed.

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JO - Physical Review B - Condensed Matter and Materials Physics

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ER -

Interplay between sheet resistance increase and magnetotransport properties in LaAlO ₃/SrTiO ₃

Abstract

All Science Journal Classification (ASJC) codes

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