ENGINEERING PHYSICS – II anna university syllabus

                                        ENGINEERING PHYSICS – II     L  T  P  C
                           (Common to all B.E/B.Tech programmes)                    3  0   0   3
                                                                 
AIM: To impart a sound knowledge on the materials for different technological
            applications.

OBJECTIVES
● The student should be conversant with various materials and their propeerties
● To induct the basic knowledge of new materials and their uses.
● To impart the knowledge of modern materials.
●


UNIT  I QUANTUM PHYSICS                     9
Classical Physics – Failure of classical Physics - Introduction of quantum Physics- Black body radiation – Planck’s theory (derivation) - Deduction of Wien’s displacement law and Rayleigh - Jeans’ law from Planck’s theory – Compton effect - Derivation - Matter waves - Schrödinger’s wave equation – Time independent and time dependent  wave equations – Physical significance of wave function – Particle in a one dimensional box and extended to three dimension.

UNIT  II CONDUCTING AND SEMICONDUCTING PHYSICS                      9
Introduction of band theory of solids - Fermi distribution function – Effect of temperature on Fermi Function – Density of energy states – carrier concentration in metals -  Intrinsic semiconductor – carrier concentration derivation – Fermi level – Variation of Fermi level with temperature – electrical conductivity – band gap determination – extrinsic semiconductors – carrier concentration derivation in n-type and p-type semiconductor – variation of Fermi level with temperature and impurity concentration– Hall effect –Determination of Hall coefficient –Applications.

UNIT  III MAGNETIC, SUPERCONDUCTING AND DIELECTRIC
MATERIALS                                    9
Origin of magnetic moment – Bohr Magneton – Dia and para magnetism – Langevin theory of para magnetism-– Ferro magnetism - Weiss theory – Domain theory – Hysteresis – Hard and soft magnetic materials – Anti-ferro magnetism (qualitative) – Ferrites – Structure and Properties.

SUPERCONDUCTIVITY : Meisssner  effect - Types of super conductors –  High Tc superconductors – Magnetic levitation.

Electrical susceptibility – dielectric constant – electronic, ionic, orientational and space charge polarization (No derivation) – frequency and temperature dependence of polarisation – internal field – Claussius – Mosotti relation (derivation) – dielectric loss – dielectric breakdown -  Ferro electric materials.

UNIT  IV         OPTICAL MATERIALS                                              9
Liquid crystals – Types – LCD – Luminescence – Phosphorescence – Phosphors – Color centers – Plasma display – Light sources - LED –White LED, High Bright LED -  Diode Laser – Photo detectors – Detection of IR, UV and visible radiations.
Optical fibers – Types - Principle and propagation of light through optical fibers – Numerical aperture and acceptance angle - Fiber optic communication system – Losses in optical fiber -  Attenuation, dispersion, bending losses -  Fiber optic sensors – Liquid level sensor – Endoscope.

UNIT  V          MODERN MATERIALS                                                                        9
Thin film – preparation – thermal evaporation – PVD – CVD – Thin film coating unit – Photolithography  - Smart materials – Sensors and Actuators – Shape memory alloys (SMA) – Materials – Characteristics , properties  and  applications - Rheological fluids (ER & MR) – Automotive applications – Piezo electric materials – Electrochromic materials – Smart gels – Smart structures – MEMS technology - Nano materials:  synthesis of nano materials - Top –down Process- Bottom-Up Process - properties of nano particles and applications.
TOTAL = 45 PERIODS

TEXT BOOKS
1. Engineering Physics , Dattu R Joshi, Tata Mc Graw Hill, New Delhi, 2010.
2. Introductuctory Physics, Jerold Touger, Wiley  India , 2006.


REFERENCES
1. Engineering Physics Neeraji Mehta, PHI Ltd, New Delhi, 2010.
2. Engineering Physics, V. Rajendran, Mc Graw Hill, New Delhi, 2010.
3. Physics of Materials, P.K. Palanisamy, SciTech, 2011
4. Engineering Physics (Vol II), G.Senthil Kumar, VRB Publishers, 2011.