Effect of BiNbO 4 doping on the dielectric properties of BaTiO 3 ceramics
Source abstract
Abstract
Abstract In this paper, the effect of BiNbO 4 doping on the structural characteristics and dielectric properties were investigated systematically. With the increase in the BiNbO 4 content, a systematic structural characteristics change from ferroelectric tetragonal to cubic phase. Dielectric properties changed from classical ferroelectric behavior to dispersive relaxor‐like behavior, further to linear behavior. Because of the created defect dipoles, the long‐range dipolar interaction was interrupted and the weak couplings were formed. Energy storage density reached the maximum of 0.797 J/cm 3 with energy efficiency of 92.5% in 0.9 BT ‐0.1 BN . The nonlinearity was suppressed obviously, which could enhance the energy storage density in lead‐free relaxor materials.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Dielectric properties of ceramics · Multiferroics and related materials
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Affiliations
State Key Laboratory of Electronic Thin Films and Integrated Devices Collaboration Innovation Center of Electric Materials and Devices University of Electronic Science & Technology of China Chengdu Sichuan People's Republic of China
Funding
Innovation Foundation of Collaboration Innovation Center of Electronic Materials and Devices
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