2024
DOI: 10.1021/acsami.3c16303
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Breaking the Mutual Constraint between Polarization and Voltage Resistance with Nanograined High-Entropy Ceramic

Jianying Zhou,
Peng Zheng,
Wangfeng Bai
et al.

Abstract: Dielectric ceramics with a high energy storage capacity are key to advanced pulsed power capacitors. However, conventional materials face a mutual constraint between polarization strength and the breakdown strength bottleneck. To address this limitation, the concept of nanograined high-entropy ceramics is introduced in this work. By introducing a large number of constituent elements into the A-site of perovskite material lattice, high-entropy (Bi 0.2 K 0.2 Ba 0.2 Sr 0.2 Ca 0.2 )TiO 3 -0.2 ′CuO relaxor ceramic … Show more

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