IIT BHU Varanasi Syllabus Ceramic Electro Ceramics
Ceramic Capacitor Technology: Ferroelectric ceramic materials, Basic Ceramic Dielectric formulation for
capacitors. Performance Categories of Ceramic Capacitors, Grain Boundary Barrier Layer Capacitors, Multi Layer
Capacitors, Relaxor ferroelectrics.
Magnetic Ceramics: Super exchange interactions, Spinel ferrites, Garnets and Hexagonal Ferrites. Effect of
composition, processing and microstructure on the magnetic properties.
Ionically conducting ceramics: Defect equilibria and Kroger-Vink Diagrams for different systems.. Diffusion in
ionic solids. Ionic and Superionic conductivity. Classification of superionic solids. AgI based, ?-Alumina and oxide
based superionic conductors and their applications in fuel cells and batteries.
Piezoelectric ceramics: Piezoelectric constants. Hysteresis, poling and equivalent circuit for piezoelectric ceramics.
Piezoelectric material systems, their processing, properties and applications.