Thermal Expansion of SrY2O4
Crystals of SrY2O4 (space group Pnam) were examined by high-temperature powder X-ray diffractometry to determine the changes in unit-cell dimensions with temperature. The individual cell dimensions linearly increased with increasing temperature up to 1473 K. The expansion coefficients (K−1) were 1.263(8) × 10−5 along the a-axis, 7.46(6) × 10−6 along the b-axis, and 9.93(10) × 10−6 along the c-axis. The coefficient of mean linear expansion was 1.001(8) × 10−5 K−1.
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Document Type: Research Article
Affiliations: Department of Environmental and Materials Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan
Publication date: November 1, 2005