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
Success and failures of classical free electron theory
Density of energy states for a metal
Carrier concentration in a metal
Superconductors and properties
Meissner effect – type I & II superconductors
Fermi distribution function
UNIT 3:
Intrinsic Semiconductors, Energy band diagram
Direct and indirect band gap semiconductors
Carrier concentration in intrinsic semiconductors
Hall effect ,Determination of hall coefficient and application
Photo detectors (PIN & Avalanche).
UNIT 4:
Basic concepts, magnetic moment, susceptibility, permeability
Origin of magnetic moment, Bohr magneton
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)
Spontaneous and stimulated emission- Population inversion
Einstein’s A and B coefficients -derivation.
Principle and propagation of light in optical fibres
Losses in optical fibre- attenuation, dispersion, bending
Fibre Optical Communication system