About stannous fluoride SnF2. III. Thermal expansion |
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Authors: | G Dénès |
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Institution: | Laboratoire de Chimie Minérale D, Laboratoire associé au CNRS No. 254, Université de Rennes I, 35042 Rennes Cédex, France |
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Abstract: | The unit-cell parameters of SnF2 were measured from ?200 to 190°C. The tensor of thermal expansion of the three phases (α, β, and γ) was computed from the expansion in each (hkl) direction by a least-squares method. The thermal expansion of each phase is related to its crystal structure and physical properties (molecular structure of α-SnF2, ferroelastic properties of the β-phase). |
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