antiferroelectrics

Lead-Free Relaxor Ferroelectrics Based on Bi0.5Na0.5TiO3 Achieve Excellent Energy Storage Performance through Equivalent High-Entropy Doping

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Lead-Free Relaxor Ferroelectrics Based on Bi0.5Na0.5TiO3 Achieve Excellent Energy Storage Performance through Equivalent High-Entropy Doping

Title J. Eur. Ceram. Soc.: Lead-Free Relaxor Ferroelectrics Based on Bi0.5Na0.5TiO3 Achieve Excellent Energy Storage Performance through Equivalent High-Entropy Doping Research Background Dielectric ceramic capacitors are widely used in pulse power systems and hybrid electric vehicles due to their ultra-high power density, ultra-fast charge-discharge rates, wide operating temperature range, and low cost. However, their low … Read more

University of Science and Technology of China Team Develops Photothermal Pyroelectric Energy Harvester for Micro Robots and Electric Vehicles

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University of Science and Technology of China Team Develops Photothermal Pyroelectric Energy Harvester for Micro Robots and Electric Vehicles

Since 2018, Professor Chu Baojin’s team at the University of Science and Technology of China has been conducting research on artificial vision systems with the support of a special project from the Ministry of Science and Technology. The aim is to develop a new generation of materials that can replace retinal functions to restore vision … Read more

Engineering A-Site NaNbO₃ Lead-Free Antiferroelectrics Achieve Distinct Double Hysteresis Loops

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Engineering A-Site NaNbO₃ Lead-Free Antiferroelectrics Achieve Distinct Double Hysteresis Loops

Title J Am Ceram Soc：Engineering A-Site NaNbO₃ Lead-Free Antiferroelectrics Achieve Distinct Double Hysteresis Loops Material System: (Na₁–₂ₓ-yCaₓAgᵧ)NbO₃ (100xCa-100yAg) Ceramics Research Background Antiferroelectrics (AFEs) have significant applications in energy storage capacitors due to their unique double hysteresis loop characteristics. Traditional PbZrO₃-based materials pose environmental hazards, while NaNbO₃ (NN) faces irreversible challenges in AFE-FE phase transitions as … Read more