Impact of oxygen vacancy reduction on the dielectric, energy storage, and electrocaloric properties of annealed BCZT ceramic
Vartika Khandelwal, Piyush Siroha, Soumyaranjan Barik, S. Satapathy, Sonali Pradhan, Ashok Kumar, Surendra Kumar, Narendra Jakhar, Ramovatar, Neeraj Panwar
Abstract
This study shows that post-sintering annealing reduces oxygen vacancy-induced degradation in BCZT ceramics, enhancing dielectric, piezoelectric, and electrocaloric properties through improved structural integrity and defect control.
Topics & Concepts
Materials scienceDielectricCeramicElectrocaloric effectEnergy storageVacancy defectReduction (mathematics)OxygenComposite materialThermodynamicsOptoelectronicsCondensed matter physicsFerroelectricityMathematicsOrganic chemistryPhysicsChemistryPower (physics)GeometryFerroelectric and Piezoelectric MaterialsMicrowave Dielectric Ceramics SynthesisElectronic and Structural Properties of Oxides