Revisiting the Kittel's model of antiferroelectricity: Phase diagrams, hysteresis loops and electrocaloric effect

• Main Authors: Lum, C. Y., Lim, K-G, Chew, K-H
• Format: Article
• Published: Institute of Physics 2022
• Subjects: QC Physics
• Online Access: http://eprints.um.edu.my/41521/

We revisit the Kittel's model of antiferroelectricity by extending the model to study the phase transitions, hysteresis loop behaviors and electrocaloric effect (ECE) of antiferroelectrics (AFEs). By considering both the first- and second-order AFEs, explicit expressions for the physical and st...