Complex Phosphates in the Li(Na)3]PO4-InPO4 Systems

Potapova, A. M.; Зимина, Г. В.; Смирнова, И. Н.; Novoselov, A.; Спиридонов, Ф. М.; Stefanovich, S. Yu.

doi:10.1134/s0036023608020046

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“…The Li 3 PO 4 –Na 3 PO 4 –InPO 4 ternary system is formed by binary systems: Li 3 PO 4 –Na 3 PO 4 , 10 Na 3 PO 4 –InPO 4 , and Li 3 PO 4 –InPO 4 11 . Phase formation in the system was investigated by the cross‐section method.…”

Section: Resultsmentioning

confidence: 99%

New Complex Phosphate Cation-Conducting Materials in Ternary System Li3PO4-Na3PO4-InPO4

Potapova

Novoselov

Зимина

2011

Journal of the American Ceramic Society

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Phase equilibrium in ternary system Li3PO4–Na3PO4–InPO4 and formation of heterovalent Zr‐substituted solid solutions (up to 15 mol%) for In3+ in Li3In2(PO4)3 and Na3In2(PO4)3 complex phosphates were studied by the cross‐section method at 950°C. Samples obtained were investigated by X‐ray powder diffraction and impedance spectroscopy. Ionic conductivity of Na3In2(PO4)3 and Li3In2(PO4)3 complex phosphates is about 10−2 S/cm at 300°C. Heterovalent substitution was performed according to the scheme: In3+=Zr4++v, where v is a vacancy in cationic sublattice. Zr‐substituted (15 mol%) Na3In2(PO4)3 and Li3In2(PO4)3 have ionic conductivity of about 10−1 S/cm at 300°C.

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Section: Resultsmentioning

confidence: 99%