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Growth of Ferroelectric Pb(Ta1 – xNbx)2O6 Single Crystals

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Abstract

The liquidus relations in the Pb2V2O7–PbNb2O6–PbTa2O6 system were studied by direct visual observation of melting and x-ray diffraction analysis. Pb(Ta1 – x Nb x )2O6 crystals, both ferroelectric (x= 0.3, 0.5, 0.7; tetragonal potassium tungsten bronze structure type) and nonferroelectric (rhombohedral structure), were grown by precipitation from Pb2V2O7 fluxes. The Curie temperature and peak permittivity of the crystals were found to increase systematically with Nb content.

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Authors and Affiliations

  1. Faculty of Chemistry, Rostov State University, ul. Zorge 7, Rostov-on-Don, 344090, Russia

    M. L. Sholokhovich, V. E. Dugin & I. N. Rybina

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  1. M. L. Sholokhovich
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  2. V. E. Dugin
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  3. I. N. Rybina
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Sholokhovich, M.L., Dugin, V.E. & Rybina, I.N. Growth of Ferroelectric Pb(Ta1 – xNbx)2O6 Single Crystals. Inorganic Materials 36, 1285–1288 (2000). https://doi.org/10.1023/A:1026602319515

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