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UNIT-1
Crystallography
Introduction – Types of crystal systems – Bravais lattices – Lattice planes and Miller Indices (Cubic system) – Inter planar spacing (Cubic system) Bragg’s law – Powder diffraction method.
Crystal Defects
Classification of point defects – Concentration of Schottky defects in metals and ionic crystals – Concentration of Frankel defects – Line defects – Screw and edge dislocations – Burger’s vector.
UNIT-2
Band Theory of Solids & Semiconductors
Classical free electron theory (qualitative) – Kronig Penney model (qualitative treatment) – Energy band formation
in solids – Intrinsic and extrinsic semiconductors – Concept of a hole – Carrier concentration and conductivity in intrinsic semiconductors – Formation of P-N junction diode and its I-V characteristics – Thermistor and its characteristics – Hall effect and its applications.
Dielectric Materials
Dielectrics – Types of polarizations – Electronic – Ionic, Orientational and space charge polarizations –
Expression for electronic polarizability – Frequency and temperature dependence of dielectric polarizations
– Determination of dielectric constant by capacitance bridge method – Ferro electricity – Barium titanate – Applications of ferroelectrics.
UNIT-3
Wave Mechanics
Matter waves – de-Broglie wavelength – Properties of wave function – Physical significance – Schrodinger time dependent and time in-dependent wave equation – Particle in a 1-D box.
Electromagnetic Theory
Basic laws of electricity and magnetism – Maxwell’s equations in integral and differential forms – Conduction and displacement current – Relation between D, E and P
Electromagnetic Waves
Equation of plane wave in free space – Poynting theorem.
UNIT-4
Magnetic Materials
Classification of magnetic materials: Dia, Para, Ferro, Antiferro and Ferrimagnetic materials – Weiss molecular
field theory of ferromagnetism – Magnetic domains – Hysteresis curve – Soft and hard magnetic materials –
Ferrites: Applications of ferrites.
Superconductivity
Introduction – General properties of super conductors – Meissner effect – Type I and Type II superconductors
– BCS theory (qualitative) – Introduction to High Tc superconductors – Applications of superconductors.
UNIT-5
Lasers
Characteristics of Lasers – spontaneous and stimulated emission of radiation – Einstein’s Coefficients –
population in version – Ruby Laser – Helium Neon Laser – Semi Conductor Laser and applications of lasers.
Fiber Optics
Introduction – Propagation of light through an optical fiber – Acceptance angle – Numerical aperture (NA) – Types of Optical fibers and Refractive index profiles – Fiber drawing process (double Crucible Method), Losses in optical fibers – applications of optical fibers.
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CategoriesEngineering
Format EPUB
TypeeBook