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Issue 5, 2012
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Complete structural model for lanthanum tungstate: a chemically stable high temperature proton conductor by means of intrinsic defects

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Abstract

This is the first paper reporting that lanthanum tungstate, earlier believed to be La6WO12, is in fact La28−xW4+xO54+δ , where tungsten dissolves in lanthanum sites to form a stable solid-state electrolyte, exhibiting proton conduction by hydration at intermediate temperatures.

Graphical abstract: Complete structural model for lanthanum tungstate: a chemically stable high temperature proton conductor by means of intrinsic defects

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Publication details

The article was received on 04 Oct 2011, accepted on 29 Nov 2011 and first published on 14 Dec 2011


Article type: Communication
DOI: 10.1039/C2JM14981H
Citation: J. Mater. Chem., 2012,22, 1762-1764

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    Complete structural model for lanthanum tungstate: a chemically stable high temperature proton conductor by means of intrinsic defects

    A. Magrasó, J. M. Polfus, C. Frontera, J. Canales-Vázquez, L. Kalland, C. H. Hervoches, S. Erdal, R. Hancke, M. S. Islam, T. Norby and R. Haugsrud, J. Mater. Chem., 2012, 22, 1762
    DOI: 10.1039/C2JM14981H

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