Subject Details
Dept     : AIML
Sem      : 2
Regul    : R2023
Faculty : P.SABEENADEVI
phone  : NIL
E-mail  : sabeena.p.phy@snsct.org
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Announcements

  • Youtube Video

    Dear Students the Youtube Video has been uploaded for the following topics:
    BCC structure
    FCC structure
    HCP Structure
    BCS Theory
    Magnetic Levitation Train

  • Assignment

    Assignment topic is Magnetic storage devices and due date is 01-07-2024.

  • Lecture Notes

    Dear Students the Lecture Notes has been uploaded for the following topics:
    Basic concepts, magnetic moment, susceptibility, permeability,
    Origin of magnetic moment, Bohr magneton,
    Dia,Para and Ferro magnetism,
    Domain theory of ferro magnetism ,
    Hysteresis loop ,
    Soft and hard magnetic materials ,
    Antiferromagnetic materials ,
    Ferrites and its applications ,
    Magnetic storage devices- magnetic hard disc Bubble memory.,
    Types of optical fibres (material, refractive index, mode),
    Spontaneous and stimulated emission- Population inversion,
    Einstein’s A and B coefficients -derivation.,
    CO2 Laser,
    Principle and propagation of light in optical fibres,
    Losses in optical fibre- attenuation, dispersion, bending,
    Fibre Optical Communication system

  • Assignment

    Assignment topic is Crystal Defects and due date is 30-05-2024.

  • Lecture Notes

    Dear Students the Lecture Notes has been uploaded for the following topics:
    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 ,
    Co-ordination number and packing factor for Simple cubic and BCC structures,
    Inter-planar distance,
    FCC structures,
    HCP structures,
    Crystal imperfections point, line, surface and volume imperfections.,
    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,
    Intrinsic Semiconductors, Energy band diagram,
    Direct and indirect band gap semiconductors,
    Carrier concentration in intrinsic semiconductors,
    Electrical conductivity ,
    Extrinsic semiconductors,
    Hall effect ,Determination of hall coefficient and application,
    Photo detectors (PIN & Avalanche).

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