Stabilization of the ferrielectric phase in NaNbO<sub>3</sub>-based lead-free ceramics for a wide-temperature large electrocaloric effect
Jie Wu, Hui Liu, He Qi, Botao Gao, Liang Chen, Wenchao Li, Shiqing Deng, Jun Chen
Abstract
The newly discovered high-temperature ferrielectric phase in NaNbO 3 is stabilized at room temperature by compositional modification, providing the basis for obtaining a giant electrocaloric effect in a wide temperature range.
Topics & Concepts
Electrocaloric effectMaterials scienceAtmospheric temperature rangePhase (matter)CeramicLead (geology)Condensed matter physicsComposite materialOptoelectronicsFerroelectricityThermodynamicsDielectricChemistryPhysicsGeomorphologyGeologyOrganic chemistryFerroelectric and Piezoelectric MaterialsMultiferroics and related materialsMicrowave Dielectric Ceramics Synthesis