IIT BHU Varanasi Syllabus Ceramic Electro Ceramics

 

IIT BHU Varanasi Syllabus Ceramic   Electro Ceramics

 

 

 

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.

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