ES102 Electrical & Electronic Material

3 Credits

1 Atomic structure and bonding in materials. Crystal structure of materials, Crystal systems, Unit cells and space lattices, Determination of structures of simple crystals by X-ray diffraction, Miller indices of planes and directions, Packing geometry in Metallic, Ionic and Covalent solids. Concept of amorphous, single and polycrystalline structures and their effect on properties of materials. Crystal growth techniques. Imperfections in crystalline solids and their role in influencing various properties.

2 Band theory of Solids : Energy band diagram, E – K Diagram, Reduced E – K Diagram, Insulators, Semiconductors & Conductors.

3 Semiconductor : Single Crystal, Polycrystalline and Amorphous, Fermi – Dirac Distribution, Hall effect, Intrinsic & Extrinsic, N type & P type, Crystal growth – (1) Preparation of electronic grade polycrystal in Siemens reactor,(2) Czochrarlski Method & Float Zone method of bulk single crystal ingot preparation (3) Mirror finished wafer preparation (4) Epitaxial film growth – Chemical Vapor phase Deposition & Liquid Phase Epitaxy (5) Molecular Beam Epitaxy.

4 Dielectric behavior of materials : Polarization, Dielectric constant at low frequency & high frequency, Dielectric loss, Piezoelectricity & FerroElectricity

5 Magnetic Properties : Origin of magnetism in metallic and ceramic materials, Paramagnetism, Diamagnetism, Antiferromagnetism, Ferromagnetism, Ferrimagnetism, magnetic hysteresis, Influence of temperature on magnetic behaviour, domains and Hysteresis.

6 Superconductors : Low and High temperature (YBaCuO) superconductors, Meissner effect, Applications.

7 Printed Circuit Board : Manufacturing process, Single- & Double-sided boards, surface mounted devices

Name of Authors / Books /Publishers

1 “Solid State Physics”, by Kittel, McGraw Hill.
2 “Principles of Electric Engineering Materials & Devices”, by S.O. Kasp, Mc- Graw Hill.

3 “Structure & properties of materials (VOL VI), Electronic Properties”, by Robert M. Rose, Lawrence A.Shepherd & John Wulf, Wiley Eastern Ltd.