Abstract

Using the methods of joint precipitation of hydroxides and joint crystallization of nitrate solutions, nanocrystalline ceramics have been synthesized on the basis of lanthanum and neodymium chromites and the two-phase composition (ZrO2)0.6(In2O3)0.4 with average grain sizes of 80–90 and 50–60 nm, respectively. Nanoceramics possess electrical conductivity from 10−2 to 10 S cm−1 in the temperature range 20–800°C. Ion-conducting membranes compatible with the obtained electrode ceramics have been synthesized by the sol-gel method from silica gels doped with orthophosphoric acid.

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