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Improved Proton Conductivity in Spark-Plasma Sintered Dense Ceramic BaZr0.5In0.5O3-delta
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2010 (English)In: Electrochemical and solid-state letters, ISSN 1099-0062, E-ISSN 1944-8775, Vol. 13, no 11, b130-B134 p.Article in journal (Refereed) Published
Abstract [en]

Spark-plasma sintering method was used to prepare dense proton conducting perovskite oxide BaZr0.5In0.5O3-delta. Analysis of X-ray powder diffraction data showed that the sample adopt the cubic crystal structure having the space group Pm3m. Thermogravimetric analysis of prehydrated samples showed significant mass losses beyond 300 degrees C due to loss of protons as water vapor. Scanning electron microscope images show that the grain size of the spark-plasma sintered dense sample was smaller than that of solid-state sintered porous sample. The highest total proton conductivity (2 X 10(-3) S cm(-1) at 450 degrees C) was found for dense spark-plasma sintered sample under wet H-2 than the samples prepared by other routes.

Place, publisher, year, edition, pages
2010. Vol. 13, no 11, b130-B134 p.
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Natural Sciences
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URN: urn:nbn:se:su:diva-51677DOI: 10.1149/1.3482016ISI: 000283193300012OAI: oai:DiVA.org:su-51677DiVA: diva2:385815
Note
authorCount :6Available from: 2011-01-12 Created: 2011-01-12 Last updated: 2017-12-11Bibliographically approved

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Shen, Zhijian J.Nygren, Mats
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