Modulating Polymorphic Phase Boundaries and Defect Chemistry in KNN-Based Piezoceramics Through Multi-Element Doping Strategies

Key Points

• To explore how multi-element doping affects phase boundaries and defect chemistry in KNN piezoceramics.
• Investigated structural changes in KNN ceramics through multi-element doping strategies.
• Analyzed the effects of doping on the Curie temperature and piezoelectric properties.
• Used experimental and computational techniques to study defect chemistry.
• Enhanced piezoelectric properties were observed with specific doping compositions.
• Modification of phase boundaries led to improved energy harvesting capabilities.
• Higher Curie temperatures were achieved, indicating better performance in high-temperature applications.

Abstract