Summary
By employing the interferometric method, the temperature variation of thermal expansion of AgCl, LiF and MgO crystals has been studied up to 325°C., 380°C. and 710°C. respectively. The coefficient of expansion has been calculated for each crystal and has been correlated with temperature by an interpolation formula of the parabolic type. Grüneisen’s constant has been calculated for AgCl above the room temperature and for LiF from −222°C. to 400°C. and is found to vary markedly with temperature in both cases.
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(Communicated by Prof. R. S. Krishnan,f.a.sc.)
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Sharma, S.S. Thermal expansion of crystals. Proc. Indian Acad. Sci. (Math. Sci.) 32, 268 (1950). https://doi.org/10.1007/BF03170830
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DOI: https://doi.org/10.1007/BF03170830