X-ray determination of thermal expansion of cadmium fluoride and lead fluoride |
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Authors: | Wahed Hussain D B Sirdeshmukh |
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Affiliation: | (1) Physics Department, Kakatiya University, 506 009 Warangal, India |
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Abstract: | The lattice parameters of CdF2 andβ-PbF2 have been determined over the temperature range 300–670 K. The coefficient of expansion at room temperature is 21·3 × 10−6 K−1 and 25·4 × 10−6 K−1 for CdF2 and PbF2 respectively and it increases linearly with temperature over the range of temperature covered. The Grüneisen parameter decreases with temperature in both the crystals. |
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Keywords: | Thermal expansion cadmium fluoride lead fluoride Grüneisen parameter |
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