Some comments on “relation entre structure et conductivite ionique basse temperature Ag3PO4” |
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| Authors: | John M Newsam Anthony K Cheetham Bruce C Tofield |
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| Institution: | Exxon Research and Engineering Co., Corporate Research Laboratories, Route 22 East, Annandale, New Jersey 08801, USA;Chemical Crystallography Laboratory, 9 Parks Road, Oxford OX1 8PD, UK;Materials Development Division, A.E.R.E. Harwell, Oxon OX11 0RA, UK |
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| Abstract: | The structural and conductivity data on silver orthophospate described recently by Deschizeaux-chèuy et al. are considered in the context of earlier work on the same subject. The results of powder neutron (PND) and single crystal X-ray diffraction (SXD) analyses of Ag3P04 provide a consistent picuture of how the I-Ag3P04 structure evolves with temperature. A comparison of independent analyses of II-Na3P04 by PND and SXD demonstrates that solution and refinement of the structures of even highly disordered superionic materials can, in certain cases, be accomplished using powder diffraction data. |
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