JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives:

• To understand the behavior of a particle quantum mechanically.
• To be able to distinguish pure and impure semi conductors and understand formation of P-N Junction.
• To understand various magnetic and dielectric properties of materials.
• To study super conductor behavior of materials.

Course Outcomes

After completion of this course the student is able to

• Realize the importance of behavior of a particle quantum mechanically.
• Learn concentration estimation of charge carriers in semi conductors.
• Learn various magnetic dielectric properties and apply them in engineering applications.
• Know the basic principles and applications of super conductors.

UNIT - I

Principles of Quantum Mechanics: Waves and particles, de-Broglie hypothesis, matter waves, Davisson and Germer experiment, Heisenberg uncertainty principle, Schrodinger time independent wave equation, physical significance of wave function, particle in 1-D potential box, electron in periodic potential, Kronig-Penny model (qualitative treatment), E-K curve, origin of energy band formation in solids.

UNIT - II

Semiconductor Physics: Fermi level in intrinsic and extrinsic semiconductors, calculation of carrier concentration in intrinsic & extrinsic semiconductors, direct and indirect band gap semiconductors, formation of PN junction, open circuit PN junction, energy diagram of PN junction diode, solar cell: I-V characteristics and applications.

UNIT - III

Dielectric Properties: Electric dipole, dipole moment, dielectric constant, polarizability, electric susceptibility, displacement vector, electronic, ionic and orientation polarizations and calculation of their polarizabilitites, internal field, Clausius-Mossotti relation, Piezoelectricity, pyroelectricity and ferroelectricity-BaTiO3 structure.

UNIT - IV

Magnetic Properties & Superconductivity: Permeability, field intensity, magnetic field induction, magnetization, magnetic susceptibility, origin of magnetic moment, Bohr magneton, classification of dia, para and ferro magnetic materials on the basis of magnetic moment, hysteresis curve based on domain theory, soft and hard magnetic materials, properties of anti- ferro and ferri magnetic materials, Superconductivity: Superconductivity phenomenon, Meissner effect, applications of superconductivity.

UNIT - V

Introduction to nanoscience: Origin of nanoscience, nanoscale, surface to volume ratio, quantum confinement, dominance of electromagnetic forces, random molecular motion, bottom- up fabrication: Sol-gel, CVD and PVD techniques, top-down fabrication: ball mill method, characterization by XRD, SEM and TEM.

Text Books:

• 1. Solid State Physics, A. J. Dekkar, Macmillan publishers Ind. Ltd.,
• 2. Solid State Physics, Chales Kittel, Wiley student edition.
• 3. Fundamentals of Physics, Alan Giambattisa, BM Richardson and Robert C Richardson, Tata McGraw hill Publishers.

Reference Books:

• 1. Modern Engineering Physics, K. Vijaya Kumar, S. Chandralingam S. Chand & Co. Pvt. Ltd.,
• 2. University Physics, Francis W. Sears, Hugh D. Young, Marle Zeemansky and Roger A Freedman, Pearson Education.
• 3. Fundamentals of Acoustics, Kinster and Frey, John Wiley and Sons.
• 4. Introduction to Quantum Mechanics Leonard I. Schiff McGraw-Hill