Response to comment on "colossal ionic conductivity at interfaces of epitaxial ZrO2:Y2O3/SrTiO3 heterostructures"

J. García-Barriocanal, A. Rivera-Calzada, M. Varela, Z. Sefrioui, E. Iborra, C. Leon, S. J. Pennycook, J. Santamaría

Research output: Contribution to journalComment/debatepeer-review

34 Scopus citations

Abstract

Guo suggests that the reported ionic conductivity of ZrO2:Y2O3/SrTiO3 heterostructures might be due to the electronic conductivity from the SrTiO3. We point out shortcomings in his reasoning and underscore that our results show that any electronic contribution to the conductance is at least three orders of magnitude lower than the ionic contribution determined by ac methods.

Original languageEnglish (US)
Pages (from-to)465b
JournalScience
Volume324
Issue number5926
DOIs
StatePublished - Apr 24 2009

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