The linear thermal expansion coefficients of the a and c axes of bismuth have been measured from 80°K to 540°K by mechanical means. These same coefficients were determined over a more limited range of temperatures by single crystal and powder x‐ray methods. The mechanical and x‐ray values did not differ significantly. The expansion coefficient for the c axis was found to be 16.6±0.4×10−6 (C°)−1 at 100°K, 17.3±0.2×10−6 (C°)−1 at 150°K, and 17.6±0.2×10−6 (C°)−1 at 540°K. For the a axis the expansion coefficient was 10.8±0.3×10−6 (C°)−1 at 100°K, 11.6±0.2×10−6 (C°)−1 at 150°K, and 11.8±0.2×10−6 (C°)−1 at 540°K.
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Research Article| June 16 2004
Thermal Expansion Coefficients of Bismuth
E. F. Cave;
E. F. Cave, L. V. Holroyd; Thermal Expansion Coefficients of Bismuth. J. Appl. Phys. 1 August 1960; 31 (8): 1357–1358. https://doi.org/10.1063/1.1735842
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