Abstract
Heat capacity of the PbMg1/3Nb2/3O3 compound is measured using the methods of adiabatic and differential scanning calorimetry in the temperature range 80–750 K. Two blurred anomalies on the C p (T) dependence are observed in wide temperature intervals of 200–400 K and 500–700 K. The results of studies are discussed together with data on the structure and phonon spectrum in the framework of spherical random bond-random field model.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 123, No. 3, 2003, pp. 599–606.
Original Russian Text Copyright © 2003 by Gorev, Flerov, Bondarev, Sciau.
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Gorev, M.V., Flerov, I.N., Bondarev, V.S. et al. Heat capacity study of relaxor PbMg1/3Nb2/3O3 in a wide temperature range. J. Exp. Theor. Phys. 96, 531–537 (2003). https://doi.org/10.1134/1.1567427
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DOI: https://doi.org/10.1134/1.1567427