Abstract

J.N. Torba, N.V. Golubko, E.A. Fortalnova, G.M. Kaleva, M.G. Safronenko, N.U. Venskovskii and E.D. Politovaa,∗ Karpov Institute of Physical Chemistry, Vorontsovo Pole St., 10, 105064, Moscow, Russia Peoples’ Friendship University of Russia, Ordzhonikidze St., 3, 117198, Moscow, Russia Ceramic composites (100− n)Bi4V2O11−z–nCe0.9Gd0.1O1.9 with n = 0÷ 25 wt% were prepared and studied by the X-ray diffraction, dielectric spectroscopy, and impedance methods. Slight increase in the unit cell volume accompanied by monotonous decrease in temperatures and broadening of the α–β and β–γ phase transitions with increasing fluorite content was observed in the composites studied. Increase in melting temperatures of composites with n ≥ 10 with the retention of their high ionic conductivity was also proved.

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