Subject Details
Dept     : CSE
Sem      : 2
Regul    : R 2023
Faculty : D.Sengottaiyan
phone  : NIL
E-mail  : dsengottaiyan@gmail.com
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Lecture Notes

UNIT 1:
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Introduction to Crystals Physics, Single crystalline, polycrystalline and amorphous materials
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Miller indices
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Single crystals: unit cell, crystal systems.
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FCC structures
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HCP structures
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Crystal imperfections point, line, surface and volume imperfections.
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Crystal imperfections point, line, surface and volume imperfections.
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Co-ordination number and packing factor for Simple cubic and BCC structures
UNIT 2:
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Conductors: classical free electron theory – electrical conductivity
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Superconductors and properties
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Meissner effect – type I & II superconductors
UNIT 3:
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Intrinsic Semiconductors, Energy band diagram
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Direct and indirect band gap semiconductors
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Hall effect ,Determination of hall coefficient and application
UNIT 4:
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Basic concepts, magnetic moment, susceptibility, permeability
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Domain theory of ferro magnetism
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Dia,Para and Ferro magnetism
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Ferrites and its applications
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Soft and hard magnetic materials
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Antiferromagnetic materials
UNIT 5:
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Spontaneous and stimulated emission- Population inversion
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CO2 Laser
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Principle and propagation of light in optical fibres
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Types of optical fibres (material, refractive index, mode)
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Losses in optical fibre- attenuation, dispersion, bending
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Fibre Optical Communication system