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  1. No Access

    Article

    The Mixed Electronic and Ionic Conductivity of Perovskite-Like Ba1 –xSrxFe1 –yTiyO3 – δ and BaTi0.5Fe0.5 –zCezO3 – δ Solid Solutions

    The work is focused on the studying of structural peculiarities, electronic and ionic conductivity, and thermomechanical properties of perovskite-like compositions in Ba1 –xSrxFe1 –yTiyO3 – δ and BaTi0.5Fe0.5 –zC...

    V. A. Kolotygin, A. P. Viskup, E. V. Pivak… in Russian Journal of Electrochemistry (2020)

  2. No Access

    Article

    Oxygen permeability of mixed-conducting composite membranes: effects of phase interaction

    Composite ceramic membranes, based on selected combinations of ionic conductors ((La0.9Sr0.1)0.98Ga0.8Mg0.2O3-δ—LSGM or Ce0.8Gd0.2O2-δ—CGO) and electronic/mixed conductors (La2Ni0.8Cu0.2O4+δ—LNC, La0.8Sr0.2Fe0.8C...

    A. L. Shaula, V. V. Kharton, F. M. B. Marques… in Journal of Solid State Electrochemistry (2006)

  3. No Access

    Article

    Transport and electrocatalytic properties of La0.3Sr0.7Co0.8Ga0.2O3−δ membranes

    Incorporation of gallium into the perovskite lattice of La0.3Sr0.7CoO3−δ leads to increasing unit cell volume and to decreasing thermal expansion, total conductivity and oxygen permeability. At 973–1223 K, the ox...

    V. V. Kharton, E. V. Tsipis, I. P. Marozau… in Journal of Solid State Electrochemistry (2005)

  4. No Access

    Article

    Mixed conductivity of gadolinium titanate-based pyrochlore ceramics: The grain boundary effects

    In order to reveal the role of grain boundaries on the ionic and electronic conduction processes, the transport properties of Gd2−xGaxTi2O7−δ (x=0.10–0.14) pyrochlore ceramics, pure and with SiO2 additions, were ...

    V. V. Kharton, F. M. B. Marques, E. V. Tsipis, A. P. Viskup, M. V. Patrakeev… in Ionics (2003)

  5. No Access

    Article

    P-Type electronic conduction in CeO2- and LaGaO3-based solid electrolytes

    Modifications of the e.m.f. and faradaic efficiency techniques, taking into account electrode polarization in the measuring cells, in combination with the use of electrodes having sufficiently high polarizatio...

    V. V. Kharton, A. A. Yaremchenko, A. P. Viskup, F. M. Figueiredo, A. L. Shaulo… in Ionics (2002)

  6. No Access

    Article

    Synthesis, Physicochemical Characterization and Ionic Conductivity of LaGa0.4Mg0.2M0.4O3−δ (M = Cr, Mn, Fe, Co)

    Partial electronic and ionic conductivities, crystal structure, thermal expansion and infrared absorption spectra of the perovskite-type series, LaGa0.40Mg0.20M0.40O3−δ (M = Cr, Mn, Fe, and Co), have been studied...

    V.V. Kharton, A.A. Yaremchenko, A.P. Viskup, G.C. Mather… in Journal of Electroceramics (2001)

  7. No Access

    Article

    Ceria-based materials for solid oxide fuel cells

    This paper is focused on the comparative analysis of data on electronic and ionic conduction in gadolinia-doped ceria (CGO) ceramics as well as on the electrochemical properties of various oxide electrodes in ...

    V. V. Kharton, F. M. Figueiredo, L. Navarro… in Journal of Materials Science (2001)