Synthesis of nanopowders of pentoxides Ta2y Nb2(1−y)O5

Synthesis of nanopowders of pentoxides Ta2y Nb2(1−y)O5 The processes of production of high purity nanopowders of niobium and tantalum pentoxide Ta2y Nb2(1–y)O5 with a low content of fluorine and Nb2O5 in low-temperature polymorph were studied. Ceramic samples were prepared from a charge of solid solutions LiTa y Nb1–y O3 and Li x Na1–x Ta y Nb1–y O3 synthesized using coprecipitated pentoxide Ta2y Nb2(1–y)O5. Therewith for solid solutions LixNa1–x Ta y Nb1–y O3 significantly larger values of high dielectric constant and ionic conductivity were achieved compared to the solid solutions obtained by using a mechanical mixture of Ta2O5 and Nb2O5. This converts solid solutions LixNa1–x Ta y Nb1–y O3 from acoustoelectronic and piezoelectric type of materials into the capacitor and ion-conductive type of solid materials. Russian Journal of Applied Chemistry Springer Journals

Synthesis of nanopowders of pentoxides Ta2y Nb2(1−y)O5

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SP MAIK Nauka/Interperiodica
Copyright © 2013 by Pleiades Publishing, Ltd.
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
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