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Investigation of La9.33Si6O26 oxygen ionic conductor
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Ceramics.
2007 (English)In: Journal of Materials Science & Technology, ISSN 1005-0302, Vol. 23, no 5, 629-632 p.Article in journal (Refereed) Published
Abstract [en]

La9.33Si6O26 oxygen ionic conductor was synthesized by solid state reaction method. Its structure was determined by single-crystal X-ray diffraction analysis at room temperature. The results showed that La9.33Si6O26 oxide has the apatite structure with space group P6(3)/m. AC impedance measurements indicated that the oxides sintered in nitrogen have much higher conductivity than those sintered in air. The effects of grain boundaries on the conductivity were discussed.

Place, publisher, year, edition, pages
2007. Vol. 23, no 5, 629-632 p.
Keyword [en]
La9.33Si6O26, crystal structure, oxygen ionic conductor, conductivity, oxide, gd, sm, dy, nd, la8sr2si6o26, temperature, silicates, ln=la, sofc
Identifiers
URN: urn:nbn:se:kth:diva-17022ISI: 000250017600012Scopus ID: 2-s2.0-35348988233OAI: oai:DiVA.org:kth-17022DiVA: diva2:335065
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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