Abstract
The specific features of the kinetic characteristics of subterahertz phonons in ceramic samples based on Ce1–x Gd x O2–y electrolyte solid solutions have been investigated in the range of liquid-helium temperatures. It has been demonstrated that the observed anomalies of the transport characteristics of thermal phonons in this system are caused by the formation of structural defects associated with the position of vacancies in the anion sublattice with respect to impurity cations. The activation energy of the two-level system Δ = 8.53 K has been determined from an analysis of the experimental results.
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Original Russian Text © V.V. Ivanov, E.I. Salamatov, A.V. Taranov, E.N. Khazanov, 2010, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ-Fiziki, 2010, Vol. 137, No. 1, pp. 41–47.
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Ivanov, V.V., Salamatov, E.I., Taranov, A.V. et al. Phonon spectroscopy of submicron ceramic materials based on Ce1–x Gd x O2–y solid solutions. J. Exp. Theor. Phys. 110, 34–40 (2010). https://doi.org/10.1134/S106377611001005X
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DOI: https://doi.org/10.1134/S106377611001005X