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

S Seri, M Schultz, L. Klein

Research output: Contribution to journalArticlepeer-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 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. © 2013 American Physical Society.
Original languageEnglish
Article number125110
Pages (from-to)1-4
Number of pages4
JournalPhysical Review B
Volume87
Issue number12
DOIs
StatePublished - 8 Mar 2013

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