Fig. 1: Phase field simulations of the metadielectric(MD).
From: Metadielectrics for high-temperature energy storage capacitors
a Breakdown phase evolutions of three dielectric structures at 573 K. b Corresponding polarization–electric field hysteresis loops of three dielectric structures under their breakdown electric fields. c Illustrations of possible electron avalanche and heat source modes of the MD at high temperatures. d The statistical distributions of local electric energy and local Joule energy of three dielectric structures under 3 MV·m−1 and 573 K.
