An analysis of the effect that chemical and hydrostatic pressures have on the thermodynamic properties of perovskite-like fluorine-oxygen compounds A _2 A′MeO x F_(6 - x) has revealed that materials under-going order-disorder transitions and having significant external-pressure compliance have the highest caloric efficiency. Some of the fluorides and oxyfluorides under study can be considered promising solid coolants.
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机译：分析化学和流体静压力对钙钛矿状氟氧化合物A _2 A'MeO x F_（6- -x）的热力学性质的影响表明，材料正在经历有序无序过渡并且具有显着的外部压力顺应性具有最高的热量效率。某些正在研究的氟化物和氟氧化物可以被认为是有前途的固体冷却剂。
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