UNIT 1:
Bravais Lattices-directions and planes in a crystal
Crystal imperfections point, line, surface and volume imperfections.
UNIT 2:
Conductors: classical free electron theory – electrical conductivity
Density of energy states for a metal
Fermi distribution function
Superconductors and properties
Meissner effect – type I & II superconductors
UNIT 3:
Hall effect ,Determination of hall coefficient and application
Intrinsic Semiconductors, Energy band diagram
Photo detectors (PIN & Avalanche).
UNIT 4:
Origin of magnetic moment, Bohr magneton
Dia,Para and Ferro magnetism
Antiferromagnetic materials
Basic concepts, magnetic moment, susceptibility, permeability
Magnetic storage devices- magnetic hard disc Bubble memory.
Soft and hard magnetic materials
Domain theory of ferro magnetism
UNIT 5:
Fibre Optical Communication system
Losses in optical fibre- attenuation, dispersion, bending
Principle and propagation of light in optical fibres
Einstein’s A and B coefficients -derivation.
Spontaneous and stimulated emission- Population inversion
Types of optical fibres (material, refractive index, mode)
