Modification of Functional Properties of Perovskite-Like Oxides with Mixed Conductivity, New Approaches and Their Research Methods
I. V. BELENKAYA1, M. P. POPOV1, I. A. STARKOV1, O. A. SAVINSKAYA1, S. F. BYCHKOV1, and A. P. NEMUDRY1,2
1Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, Ul. Kutateladze 18, Novosibirsk 630128 (Russia)
2Novosibirsk State University, Ul. Pirogova 2, Novosibirsk 630090 (Russia)
E-mail: nemudry@solid.nsc.ru
Keywords: nonstoichiometric perovskites, oxygen permeable membranes, oxygen transport mechanism
Pages: 357–366
Abstract
A strategy of targeted regulating functional properties of perovskite-like oxides with mixed oxygen-electronic conductivity (MOEC) using ferroelectric high-valent dopants (Nb, Ta, Mo, and W) is presented. New research methods of the oxygen stoichiometry and oxygen exchange kinetics in MOEC oxides were proposed. Research results of oxygen permeability of membranes based on the elaborated materials were discussed.
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