Subject Details
Dept     : ECE
Sem      : 2
Regul    : R2023
Faculty : Sathyapriya.C
phone  : NIL
E-mail  : sathya.c.phy@snsct.org
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  • Assignment

    Assignment topic is CRYSTAL DEFECTS and due date is 28-06-2024.

  • Assignment

    Assignment topic is CRYSTAL DEFECTS and due date is 28-06-2024.

  • Lecture Notes

    Dear Students the Lecture Notes has been uploaded for the following topics:
    HCP structures,
    FCC structures,
    Miller indices ,
    Inter-planar distance,
    Bravais Lattices-directions and planes in a crystal,
    Crystal imperfections point, line, surface and volume imperfections.,
    Fermi distribution function,
    Density of energy states for a metal,
    Meissner effect – type I & II superconductors,
    Conductors: classical free electron theory – electrical conductivity,
    Superconductors and properties,
    Origin of magnetic moment, Bohr magneton,
    Dia,Para and Ferro magnetism,
    Domain theory of ferro magnetism ,
    Soft and hard magnetic materials ,
    Antiferromagnetic materials ,
    Basic concepts, magnetic moment, susceptibility, permeability,
    Magnetic storage devices- magnetic hard disc Bubble memory.,
    Hysteresis loop ,
    CO2 Laser,
    Principle and propagation of light in optical fibres,
    Losses in optical fibre- attenuation, dispersion, bending,
    Fibre Optical Communication system,
    Einstein’s A and B coefficients -derivation.,
    Spontaneous and stimulated emission- Population inversion,
    Types of optical fibres (material, refractive index, mode),
    Hall effect ,Determination of hall coefficient and application,
    Intrinsic Semiconductors, Energy band diagram,
    Photo detectors (PIN & Avalanche).,
    Carrier concentration in intrinsic semiconductors,
    Direct and indirect band gap semiconductors,
    Electrical conductivity

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