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2010 | 117 | 1 | 20-23
Article title

Phase Transitions and Transport Properties of the Bismuth Vanadate-Based (Bi,La)_{4}(V,Zr)_{2}O_{11-z} Ceramics

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Abstracts
EN
Ceramic solid solutions (Bi_{1-y}La_{y})_{4}(V_{1-x}Zr_{x})_{2}O_{11-z} with x = 0-0.05, y = 0-0.16 have been prepared by the solid state reaction method. The samples were studied by differential thermal analysis, X-ray diffraction, dielectric spectroscopy, and impedance methods. The concentration and temperature stabilization regions of the polymorphous α-, β-, γ'-, γ-modifications have been determined. The effects observed in dielectric properties, conductivity, and impedance data confirmed the influence both of intrinsic oxygen vacancies and those "pinned" at ferroelectric domain boundaries on the temperature hysteresis of α-β phase transition and their contribution to mechanism of oxygen ion transport.
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Contributors
author
  • Karpov Institute of Physical Chemistry, Vorontsovo Pole St., 10, 105064, Moscow, Russia
author
  • Karpov Institute of Physical Chemistry, Vorontsovo Pole St., 10, 105064, Moscow, Russia
author
  • Karpov Institute of Physical Chemistry, Vorontsovo Pole St., 10, 105064, Moscow, Russia
  • Peoples' Friendship University of Russia, Ordzhonikidze St., 3, 117198, Moscow, Russia
author
  • Karpov Institute of Physical Chemistry, Vorontsovo Pole St., 10, 105064, Moscow, Russia
author
  • Peoples' Friendship University of Russia, Ordzhonikidze St., 3, 117198, Moscow, Russia
  • Peoples' Friendship University of Russia, Ordzhonikidze St., 3, 117198, Moscow, Russia
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv117z103kz
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