Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 97, Issue 8, Pages 2416-2419Publisher
WILEY
DOI: 10.1111/jace.13119
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Funding
- National Research Foundation of Korea - Korea government (MEST) [2010-0027688]
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The subsolidus phase relationship in the CaO-CuO-TiO2 ternary system at 950 degrees C in air was investigated. Total 26 samples having various nominal compositions were prepared by the solid-state reaction at 950 degrees C in air, and their equilibrium phases were analyzed by powder X-ray diffraction (XRD). The CaCu3Ti4O12 phase exhibits variable stoichiometry and forms as the Ca1-xCu3+xTi4O12-type (-0.019 <= x <= 0.048) solid solution at 950 degrees C in air. On the basis of our results and previous reports on the binary phase diagrams, the subsolidus phase diagram of the CaO-CuO-TiO2 ternary system could be constructed at 950 degrees C in air.
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