How to interpret Onsager cross terms in mixed ionic electronic conductors.

Phys Chem Chem Phys

Physics Department, Technion-IIT, Haifa 3200003, Israel.

Published: November 2014

AI Article Synopsis

  • The study looks at how Onsager cross transport coefficients in mixed ionic electronic conductor oxides are interpreted.
  • It reveals that the so-called cross terms observed in measurements are actually not real but result from the analysis method used.
  • With a better defect model for MIEC, the analysis shows that these cross terms can be completely eliminated.

Article Abstract

The interpretation of Onsager cross transport coefficients measured in mixed ionic electronic conductor (MIEC) oxides is examined. It is demonstrated that the cross terms are an artifact of the way the measurements are analyzed. When an appropriate, comprehensive defect model is considered for the MIEC, no cross terms are required.

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http://dx.doi.org/10.1039/c4cp03154gDOI Listing

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