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High Conducting Heterovalent Substituted NASICON-like Phases in ScPO4-Na3PO4Quasibinary System

Published online by Cambridge University Press:  01 February 2011

Anna Potapova ,
Mariya Zhuravleva ,
Irina Smirnova ,
Felix Spiridonov ,
Galina Zimina  and
Andrey Novoselov
Anna Potapova
Affiliation:
anna_potapova85@mail.ru, Lomonosov Moscow State Academy of Fine Chemical Technology, Department of Chemistry and Chemical Engineering for Rare and Dispersed Elements,Moscow, 119571, Russian Federation
Mariya Zhuravleva
Affiliation:
marzh@tagen.tohoku.ac.jp, Lomonosov Moscow State Academy of Fine Chemical Technology, Department of Chemistry and Chemical Engineering for Rare and Dispersed Elements, Moscow, 119571, Russian Federation
Irina Smirnova
Affiliation:
anvn@gmx.net, Lomonosov Moscow State Academy of Fine Chemical Technology, Department of Chemistry and Chemical Engineering for Rare and Dispersed Elements, Moscow, 119571, Russian Federation
Felix Spiridonov
Affiliation:
anvn@gmx.net,Lomonosov Moscow State University,Department of Chemistry,Moscow,119899,Russian Federation
Galina Zimina
Affiliation:
gzimina@mail.ru, Lomonosov Moscow State Academy of Fine Chemical Technology, Department of Chemistry and Chemical Engineering for Rare and Dispersed Elements, Moscow, 119571, Russian Federation
Andrey Novoselov
Affiliation:
anvn@tagen.tohoku.ac.jp,Lomonosov Moscow State Academy of Fine Chemical Technology,Department of Chemistry and Chemical Engineering for Rare and Dispersed Elements,Moscow,119571,Russian Federation
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Abstract

Phase equilibria in quasibinary system ScPO4-Na3PO4 and formation of heterovalent Zr-substituted solid solutions (up to 10 mol%) for Sc3+ in Na3Sc2(PO4)3 complex phosphate were studied by ceramic technique at 1050°C. Obtained samples were investigated with X-ray powder diffraction and impedance spectroscopy. Zr-substituted (10 mol%) Na3Sc2(PO4)3has ionic conductivity of 3.18.10-1 S/cm at 300°C.

Keywords

ionic conductorceramicphase equilibria
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1100: Symposium JJ – Materials Research for Electrical Energy Storage , 2008 , 1100-JJ07-05
Copyright
Copyright © Materials Research Society 2008

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