Abstract
New ceramic materials with a high rubidium-cation conductivity in Rb3−2x M x PO4 (M = Zn, Cd) systems have been synthesized and studied. It has been found that the introduction of Zn2+ and Cd2+ cations leads to a sharp increase in the electrical conductivity of rubidium orthophosphate due to the formation of cation vacancies and the stabilization of the high-temperature cubic modification of Rb3PO4. The maximum conductivity has been observed in compositions with x = 0.15−0.30 and has the values of 10−1 S cm−1 at 700°C and (2.0−2.5) × 10−2 S cm−1 at 400°C. The factors influencing the transport properties of the materials under study have been discussed.
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Original Russian Text © E.I. Burmakin, G.Sh. Shekhtman, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 5, pp. 978–981.
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Burmakin, E.I., Shekhtman, G.S. Rubidium-cation conductivity in Rb3−2x M x PO4 (M = Zn, Cd) solid solutions. Phys. Solid State 57, 992–995 (2015). https://doi.org/10.1134/S1063783415050054
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DOI: https://doi.org/10.1134/S1063783415050054