Saturday, 21 May 2011

 

APPLIED PHYSICS

UNIT I
BONDING IN SOLIDS :
Introduction - Types of bonding in solids - Estimation of cohesive energy - Madelung constant.

CRYSTAL STRUCTURES AND X-RAY DIFFRACTION:
Introduction -Space lattice - Basis - Unit cell - Lattice parameter - Bravais lattices - Crystal systems - Structure and packing fractions of Simple cubic - Body centered cubic - Face centered cubic crystals - Directions and planes in crystals - Miller indices - Separation between successive [h k l] planes - Diffraction of X-rays by crystal planes - Bragg's law - Laue method - Powder method.

UNIT II
PRINCIPLES OF QUANTUM MECHANICS:
Waves and particles - Planck's quantum theory - de Broglie hypothesis - Matter waves - Davisson and Germer experiment - G. P. Thomson experiment - Heisenberg uncertainty principle - Schrödinger's time independent wave equation - Physical significance of the wave function - Particle in one dimensional potential box.

UNIT III
ELECTRON THEORY OF METALS:
Classical free electron theory - Mean free path - Relaxation time and drift velocity - Quantum free electron theory - Fermi-Dirac distribution (analytical) and its dependence on temparature - Fermi energy - Electron scattering and resistance.

BAND THEORY OF SOLIDS:
Bloch theorem - Kronig-Penney model (qualitative treatment) - Origin of energy band formation in solids - Classification of materials into conductors, semi conductors & insulators - Concept of effective mass of an electron.

UNIT IV
DIELECTRIC PROPERTIES:
Introduction - Dielectric constant - Electronic, ionic and orientational polarizations - Internal fields in solids - Clausius - Mossotti equation - Dielectrics in alternating fields - Frequency dependence of the polarizability - Ferro and Piezo electricity.

MAGNETIC PROPERTIES:
Permeability - Magnetization - Origin of magnetic moment - Classification of magnetic materials - Dia, para and ferro magnetism - Hysteresis curve - Soft and hard magnetic materials.

UNIT V
SEMICONDUCTORS :
Introduction - Intrinsic semiconductor and carrier concentration - Equation for conductivity - Extrinsic semiconductor and carrier concentration - Drift and diffusion - Einstein's equation - Hall effect - Direct & indirect band gap semiconductors.

SUPERCONDUCTIVITY:
General properties - Meissner effect - Penetration depth - Type I and Type II superconductors - Flux quantization - DC and AC Josephson effect -BCS Theory - Applications of superconductors.
LASERS:
Introduction - Characteristics of Lasers - Spontaneous and stimulated emission of radiation - Einstein's coefficients - Population inversion - Ruby laser - Helium-Neon Laser - CO2 laser -Semiconductor Laser - Applications of lasers.

UNIT VII
FIBER OPTICS AND HOLOGRAPHY:

Introduction - Principle of optical fiber - Acceptance angle and acceptance cone - Numerical aperture - Types of optical fibers and refractive index profiles - Attenuation in optical fibers - Application of optical fibers - Basic principles of holography - Construction and reconstruction of image on hologram - Applications of holography.
UNIT VIII

SCIENCE & TECHNOLOGY OF NANOMATERIALS:
Introduction to Nano materials - Basic principles of Nanoscience & Technology - Fabrication of nano materials - Physical & chemical properties of nanomaterials - Carbon nanotubes - Applications of nanotechnology.
Text Books:
1. Applied Physics by Dr. M.Chandra Shekar & Dr. P. Appala Naidu ; V.G.S. Book links.
2. Introduction to Solid State Physics by C. Kittel ; Wiley Eastern Ltd.
3. Nanotechnology by Mark Ratner and Daniel Ratner; Pearson Education.

References:
1. Materials Science and Engineering by V. Raghavan; Prentice-Hall India.
2. Materials Science by M. Arumugam; Anuradha Agencies.
3. Solid State Physics by N.W. Ashcroft & N. David Merwin; Thomson Learning.
4. Materials Science by M.S.Vijaya & G. Rangarajan; Tata McGraw Hill.
5. Solid State Physics by P.K. Palanisamy; Scitech Publications (India) Pvt. Ltd.
6. Nano Materials by A.K. Bandyopadhyay, New Age International Publishers.
7. Applied Physics by P.K.Mittal; I.K. International.
8. Applied Physics by K. Vijay Kumar & T. Sreekanth; S. Chand & Company Ltd.

Comments: Post a Comment

Subscribe to Post Comments [Atom]





<< Home

This page is powered by Blogger. Isn't yours?

Subscribe to Posts [Atom]