Isothermal transport properties and majority-type defects of BaCo0.70Fe0.22Nb0.08O3−δ-Reference-Cited by-同舟云学术

Isothermal transport properties and majority-type defects of BaCo0.70Fe0.22Nb0.08O3−δ

Published:2015 Issue:4 Volume:17 Page:2598-2607
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Lee Taewon¹²³⁴,Cho Deok-Yong⁵⁶⁷⁴,Kwon Hyung-Soon¹²³⁴,Yoo Han-Ill¹²³⁴

Affiliation:

1. Department of Materials Science and Engineering

2. Seoul National University

3. Seoul 151-744

4. Korea

5. Department of Physics

6. Chonbuk National University

7. Jeonju 561-756

Abstract

The increase in Onsager coefficients L_ii of mobile O²⁻ and L_hh of h⁺ with oxygen activity indicates the majority type disorders to be oxygen interstitials and holes h˙. An inflection in log L_hhvs. log a_O2 suggests the presence of two types of hole carriers, one itinerant and the other trapped.

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2015/CP/C4CP04576A

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1. A high-performance cathode for the next generation of solid-oxide fuel cells

2. Structure and oxygen stoichiometry of SrCo0.8Fe0.2O3−δ and Ba0.5Sr0.5Co0.8Fe0.2O3−δ

3. Oxygen nonstoichiometry and exchange kinetics of Ba0.5Sr0.5Co0.8Fe0.2O3−δ

4. Oxygen permeation of BSCF membrane with varying thickness and surface coating

5. Oxygen stoichiometry and expansion behavior of Ba0.5Sr0.5Co0.8Fe0.2O3−δ

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