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What is High-Temperature Dielectric Constants in Perovskites about?

This study calculates the static dielectric constants of 78 oxide and fluoride cubic perovskites at high temperatures using finite-temperature phonon calculations and Lyddane-Sachs-Teller relations. The findings indicate that the dielectric constant is significantly higher in oxides than in fluorides at 1000 K, and that it correlates well with the infinite-frequency dielectric constant. The research aims to optimize ceramic dielectrics for high-temperature applications, relevant for power electronics in aut

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debidattabit

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EN