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Semester III - Paper III - Physics of Materials
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University of Madras - Syllabus of Bachelor of Science (BSc) Electronics Science - Semester III - Paper III - Physics of Materials

(Effective from the Academic Year 2003-2004)

Semester III - Paper III - Physics of Materials

Duration: 3 hrs
Maximum Marks: 100
Credits: 4

X-ray diffraction Unit - 1

Bonding in solids : Cohesive energy-Type of bonds in crystals - ionic, covalent, metallic, molecular: Bragg's law - Experimental method in X-ray diffraction - Laue method.

Unit - 2

Crystal structure : Lattice point and space lattice - Basis and crystal structure - Unit cells and Lattice parameters - primitive cell - Crystal system - symmetry elements in crystals - point group and space groups - Bravais space lattices - Seven classes of crystals - miller indices - Lattice vibration - phonons - Debye's theory of specific heat of solids.

Unit - 3

Free electron Fermi Gas : Drude-Lorentz free electron theory of metals - ohms law - Electrical and thermal conductivity - Wiedemann-Franz law - Fermi level - Fertni energy - Density of solids - Relaxation Time - Mean free path in metals - The additive nature of resistivity ( Mathiessen's rule) - Hall effect and Hall coefficient - importance of Hall effect.

Unit - 4

Energy bands : Kronig-Penney model - Brilloin zones - Effective mass of the electron - Energy bonds in solids - classification of on the basis of energy band theory.
Super conductivity: Super conductivity - characteristic properties of super conductor -Types of super conductors - Application of super conductors.

Unit - 5

Semiconductor crystals : Intrinsic and extrinsic semiconductors - Mobility, drift velocity and conductivity of intrinsic semi conductors - carrier concentration in intrinsic semiconductors - Law of mass Action - n-type and p-type semiconductors -p-n junction - Biasing of p-n junction - Expression for potential barrier and width of depletion region - Rectifier equation.

Books for study and reference

1. Solid State Physics - Gupta and Kumar
2. Solid State Physics - S. O. Pillai
3. Solid State Physics and Electronics - C.L.Arora
4. Introduction to Solid State Physics - Kittel
5. Fundamentals of Physics, 6th Edition, by D.Halliday, Resnick and J.Walker, Wiley, NY, 2001.
6. Physics, 4th Edition, Vols 1, 2 & 2 Extended by D.Halliday, R.Resnick and K.S.Krane, Wiley, NY, 1994.
7. CRC Handbook of Physics & Chemistry, 80th Ed., CRS Press, NY, 1999.
8. The Feynman Lectures on Physics, Vols. 1, 2, and 3, by R. P. Feynman, RB Leighton and M Sands, Narosa, New Delhi, 1998.
9. Basic Electronics, 6th Edition by B. Grob, McGraw- Hill, NY, 1989.
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