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The role of chemical pressure in the formation of the piezocaloric effect in fluorine–oxygen ferroics
Ferroelectrics ( IF 0.8 ) Pub Date : 2020-10-07 , DOI: 10.1080/00150193.2020.1791581
Igor Flerov 1, 2 , Mikhail Gorev 1, 2
Affiliation  

Abstract We performed an analysis of the phase diagrams and piezocaloric properties of fluorine–oxygen ferroics (NH4)2MeOxF6-x (Me: W, Mo, Nb; x: 1, 2) with orthorhombic symmetry. The nature of the influence of chemical pressure on the caloric efficiency has been elucidated. Substitutions of central atoms, Mo → W and Nb → W, lead to an increase in absolute and integral piezocaloric effects.

中文翻译:

化学压力在氟氧铁素体压电热效应形成中的作用

摘要 我们对正交对称的氟氧铁性化合物 (NH4)2MeOxF6-x(Me:W、Mo、Nb;x:1、2)的相图和压热性质进行了分析。化学压力对热效率的影响的性质已经阐明。中心原子 Mo → W 和 Nb → W 的取代导致绝对和积分压热效应的增加。
更新日期:2020-10-07
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