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Thermal expansion of scheelite-like molybdate powders and ceramics

AuthorsTokarev, M. G.; Potanina, E. A.; Orlova, Albina I.; Khainakov, Sergei ; Lantsev, E. A.; Sakharov, N. V.; Murashov, A. A.; García-Granda, Santiago ; Nokhrin, A. V.; Chuvil’deev, V. N.
Issue Date2019
PublisherSpringer Nature
CitationInorganic Materials 55: 730-736 (2019)
AbstractNaxSr1 – 2xNdxMoO4 (x = 0–0.5, Δx = 0.1) solid solutions with the scheelite structure have been synthesized for the first time and their crystallographic parameters have been determined as functions of composition and temperature. Their thermal expansion coefficients have been determined in the temperature range 25–1000°C: αa = (12.9–14.9) × 10–6 °C–1 and αc = (24.9–25.9) × 10–6 °C–1. Using spark plasma sintering at tmax ≈ 872–985°C and τ ≈ 650–750 s, we have prepared ceramics with relative densities in the range 97–99%.
Publisher version (URL)https://doi.org/10.1134/S0020168519070203
Identifiersdoi: 10.1134/S0020168519070203
e-issn: 1608-3172
issn: 0020-1685
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