萤石
相(物质)
热膨胀
材料科学
相变
结晶学
热的
分析化学(期刊)
矿物学
凝聚态物理
热力学
化学
复合材料
物理
冶金
有机化学
色谱法
作者
J. Pannetier,Georges Dénès,Jacques Lucas
标识
DOI:10.1016/0025-5408(79)90045-x
摘要
The unit-cell parameters of PbSnF4, BaSnF4 and SrSnF4 were measured from liquid N2 temperature up to 400° C. PbSnF4 undergoes two phase transitions at ∼ 260° and 380°C. One of the new phases (β) can be quenched to room temperature. All three phases have structures related to that of fluorite. Most of our results conflict with recent publication (Mat. Res. Bull., 13, 877 (1978)).
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