Phase Stability and Ionic Conductivity of NASICON-Like Phases in ScPO4-Na3PO4-Li3PO4 Ternary System
来源期刊：JOURNAL OF RARE EARTHS2006年增刊第1期
论文作者：Akira Yoshikawa Galina Zimina Tsuguo Fukuda Andrey Novoselov Valeriy Fomichev Ruslan Zakalyukin
Key words：phase diagrams; solid solutions; phosphates; solid-state electrolytes;
Abstract: Phase formation in ternary system of complex Sc, Na and Li phosphates was studied at 950 ℃ and synthesis of new phases of definite composition was carried out. Obtained specimens were investigated with X-ray powder diffraction, infrared and impedance spectroscopy. Compositions of fields of homogeneity with NASICON-like structure were discovered. Temperature dependency of ionic conductivity was measured.
Akira Yoshikawa1，Mariya Zhuravleva1，Galina Zimina2，Tsuguo Fukuda1，Andrey Novoselov1，Valeriy Fomichev1，Ruslan Zakalyukin2
(1.Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan;
2.Lomonosov Moscow State Academy of Fine Chemical Technology, Vernadskogo Av.86, Moscow 117571, Russia)
Abstract:Phase formation in ternary system of complex Sc, Na and Li phosphates was studied at 950 ℃ and synthesis of new phases of definite composition was carried out. Obtained specimens were investigated with X-ray powder diffraction, infrared and impedance spectroscopy. Compositions of fields of homogeneity with NASICON-like structure were discovered. Temperature dependency of ionic conductivity was measured.
Key words:phase diagrams; solid solutions; phosphates; solid-state electrolytes;
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