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
Miller indices, Inter-planar distance
Co-ordination number and packing factor for Simple cubic and BCC structures
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
Superconductors and properties
Success and failures of classical free electron theory
Carrier concentration in a metal
Applications-Superconducting Quantum Interference Device (SQUID), Magnetic levitation.
Meissner effect – type I & II superconductors
UNIT 3:
Intrinsic Semiconductors, Energy band diagram
Direct and indirect band gap semiconductors
Carrier concentration in intrinsic semiconductors
Variation of Fermi level with temperature
Hall effect ,Determination of hall coefficient and application
Photo detectors (PIN & Avalanche).
Determination of band gap
