Thermally Activated Recovery of Electrical Conductivity In LaAlO 3/SrTiO 3

S Seri; M Schultz; L. Klein

doi:10.1103/PhysRevB.87.125110

Thermally Activated Recovery of Electrical Conductivity In LaAlO 3/SrTiO 3

S Seri, M Schultz, L. Klein

Department of Physics - at Bar-Ilan University

Bar-Ilan University

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

Abstract

Patterned structures of LaAlO₃/SrTiO₃ that exhibit a decrease in their electrical conductivity below 30 K recover their higher conductivity upon warming in a thermally activated process. Two dominant energy barriers E_b are identified: E_b1=0.224±0.003 eV related to conductivity recovery near 70K and E_b2=0.44±0.015 eV related to conductivity recovery near 160K. We discuss possible linkage to structural defects such as dislocations and twin boundaries.

Original language	English
Article number	125110
Pages (from-to)	1-4
Number of pages	4
Journal	Physical Review B
Volume	87
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.87.125110
State	Published - 8 Mar 2013

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.87.125110

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abstract = "Patterned structures of LaAlO3/SrTiO3 that exhibit a decrease in their electrical conductivity below 30 K recover their higher conductivity upon warming in a thermally activated process. Two dominant energy barriers Eb are identified: Eb1=0.224±0.003 eV related to conductivity recovery near 70K and Eb2=0.44±0.015 eV related to conductivity recovery near 160K. We discuss possible linkage to structural defects such as dislocations and twin boundaries.",

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AB - Patterned structures of LaAlO3/SrTiO3 that exhibit a decrease in their electrical conductivity below 30 K recover their higher conductivity upon warming in a thermally activated process. Two dominant energy barriers Eb are identified: Eb1=0.224±0.003 eV related to conductivity recovery near 70K and Eb2=0.44±0.015 eV related to conductivity recovery near 160K. We discuss possible linkage to structural defects such as dislocations and twin boundaries.

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Thermally Activated Recovery of Electrical Conductivity In LaAlO 3/SrTiO 3

Abstract

All Science Journal Classification (ASJC) codes

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