The temperature dependence of the elastic constants of SnTe has been measured between 1.2 and 300 K. A change was found in the slope of C44 around 135 K in crystals with a carrier concentration of 6×1020 carriers/cm3. No indication of a low temperature phase transition was seen. The 0°K Debye temperature for this carrier concentration is 192.2±0.4 K.
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A. G. Beattie (1969) studied this question.
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