Abstract
THE measurements of the thermal expansion of diamond made by Dembowska, which according to Grüneisen1 appeared to support his well-known formula connecting the specific heat and thermal expansion coefficient of simple solids, covered only a rather small range of temperature. A satisfactory test of the Grüneisen relationship appeared to require data over a wider range of temperature. I have accordingly measured the change in the lattice spacing of diamond with temperature over the range 25°–650° C.
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References
Grüneisen, "Handbuch der Physik", 10, 42 (1926).
Pitzer, J. Chem. Phys., 6, 68 (1938).
Magnus and Hodler, Ann. Phys., 80, 808 (1926).
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KRISHNAN, R. Thermal Expansion of Diamond. Nature 154, 486–487 (1944). https://doi.org/10.1038/154486c0
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DOI: https://doi.org/10.1038/154486c0
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