UNIT 1:
Introduction to Crystals Physics, Single crystalline, polycrystalline and amorphous materials
Single crystals: unit cell, crystal systems.
Bravais Lattices-directions and planes in a crystal
Co-ordination number and packing factor for Simple cubic and BCC structures
Crystal imperfections point, line, surface and volume imperfections.
Crystal imperfections point, line, surface and volume imperfections.
UNIT 2:
Conductors: classical free electron theory – electrical conductivity
Fermi distribution function
Density of energy states for a metal
Carrier concentration in a metal
Superconductors and properties
Fermi distribution function
Density of energy states for a metal
Conductors: classical free electron theory – electrical conductivity
UNIT 3:
Carrier concentration in intrinsic semiconductors
Intrinsic Semiconductors, Energy band diagram
Direct and indirect band gap semiconductors
Direct and indirect band gap semiconductors
Direct and indirect band gap semiconductors
Direct and indirect band gap semiconductors
Direct and indirect band gap semiconductors
UNIT 4:
Basic concepts, magnetic moment, susceptibility, permeability
Origin of magnetic moment, Bohr magnetron
Dia,Para and Ferro magnetism
Domain theory of ferro magnetism
Soft and hard magnetic materials
Antiferromagnetic materials
Ferrites and its applications
Magnetic storage devices- magnetic hard disc Bubble memory.
UNIT 5:
Types of optical fibres (material, refractive index, mode)
Losses in optical fibre- attenuation, dispersion, bending
Fibre Optical Communication system
Spontaneous and stimulated emission- Population inversion
Einstein’s A and B coefficients -derivation.
Principle and propagation of light in optical fibres
Semiconductor lasers and applications