Ionic conductivity of isostructural crystals of the superionic conductors Li3Fe2(PO4)4 and Li3Sc2(PO4)3 |
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Authors: | A K Ivanov-Shits |
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Institution: | (1) Institute of Crystallography, Russian Academy of Sciences, 117333 Moscow, Russia |
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Abstract: | The results of measurements of the ionic conductivity σ in Li3M2(PO4)3 (M=Fe, Sc) single crystals along various crystallographic directions are analyzed. Possible causes of the different behavior
of σ in the isostructural crystals are discussed: a jump of the conductivity in the transition to the superionic phase in Li3Sc2(PO4)3 and its absence in Li3Fe2(PO4)3; the existence of a conductivity maximum in different crystallographic directions (along the c axis in Li3Sc2(PO4)3 and along the a axis in Li3Fe2(PO4)3).
Fiz. Tverd. Tela (St. Petersburg) 39, 83–86 (January 1997) |
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