IIT BHU Syllabus Electrical & Electronic Ceramics
Electrical & Electronic Ceramics
Symmetry and other criteria of ferro-electricity, ferroelectric transitions in BaTiO3, PbTiO3 and other related
materials. Effect of compositional modifications and grain size. Relaxor ferroelectrics. Performance categories of
ceramic capacitors with typical compositions. Powder synthesis, electroding and packaging of discrete, multilayer
and barrier layer capacitors.
Symmetry considerations and equations of state for piezoelectric and electrostrictive effects. Poled ferroelectric
ceramics. Measurement of coupling factor and strain coefficient. Phase diagram, preparation and properties of 9
PZT ceramics. Thin films of PZT. Piezoelectric positioners, loud speakers and gas ignitors. Pyroelectric and
electro-optic ceramics with their applications. NTC and PTC thermistors, ZnO varistors
Classification and structural features of super-ionic solids. Applications in oxygen sensors, fuel cells, high density
energy storage batteries. Magnetic ceramics and their crystal structure. Effect of composition on magnetic
behaviour. Processing, microstructure, properties and applications of magnetic ceramics. .
1. Ceramic Materials for Electronics by R. C. Buchanan (Marshal Dekker, New Yark.
2. Principles of Electronic Ceramics by L. L. Hench & J. K. West (John Wiley & Sons.)