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Royal Society of Chemistry, Physical Chemistry Chemical Physics, 16(17), p. 11103-11106, 2015

DOI: 10.1039/c4cp05737f

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Comment on “How to interpret Onsager cross terms in mixed ionic electronic conductors” by I. Riess, Phys. Chem. Chem. Phys., 2014, 16, 22513

Journal article published in 2015 by Han-Ill Yoo, Manfred Martin, Juergen Janek
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Here, we show that the Onsager cross terms for ion-electron interaction are not an artifact, but the necessity to phenomenologically completely describe the mass/charge transport of a mixed ionic-electronic conductor in terms of mobile charged components which are the only experimentally operable quantities. The use of an appropriate comprehensive defect model may help to reduce the cross terms (which depend on the choice of the formal charge of the mobile defects), but it cannot obviate them if long-range Coulombic interaction is in action among defects.