Abstract
The temperature dependence of the heat capacity of two compositions in the solid solution system BaTi1−x ZrxO3 (x = 0.25, 0.35) was measured using adiabatic calorimetry. In the T-x phase diagram, these compounds occupy positions near the crossover from conventional ferroelectric behavior to the relaxor state. Both compounds reveal diffuse heat capacity anomalies: two anomalies in the temperature ranges 250–350 and 150–200 K at x = 0.35 and one anomaly within the range ∼150–320 K at x = 0.25. The results obtained are discussed together with structural and dielectric measurements.
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Translated from Fizika Tverdogo Tela, Vol. 47, No. 12, 2005, pp. 2212–2216.
Original Russian Text Copyright © 2005 by Gorev, Bondarev, Flerov, Sciau, Savariault.
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Gorev, M.V., Bondarev, V.S., Flerov, I.N. et al. Heat capacity study of double perovskite-like compounds BaTi1−x ZrxO3 . Phys. Solid State 47, 2304–2308 (2005). https://doi.org/10.1134/1.2142895
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DOI: https://doi.org/10.1134/1.2142895