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As the electronic industry developed rapidly, greater demands are required on the performance of dielectric composites, such as high permittivity, low dielectric loss, and high-energy density. Improving the compatibility of fillers in polymer matrix and uniform distribution of the electric field could increase the permittivity of such composites. Therefore, BaTiO3 nanoparticles were coated by TiO2...
Bi1-xSmxFeO3 (x = 0.15–0.18) ceramics with high density were produced using spark plasma sintering. The effects of composition, synthesis conditions and temperature on the phase evolution were studied, using XRD, TEM and dielectric spectroscopy. The coexistence of the ferroelectric R3c, antiferroelectric Pnam and paraelectric Pnma phases was revealed, with relative phase fractions affected by both...
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