Unit III Quantum Mechanics De-Broglie hypothesis - Concept of phase velocity and group velocity (qualitative) - Heisenberg Uncertainty Principle - Wave-function and its physical significance - Schrodinger’s equations : time independent and time dependent - Application of Schrodinger’s time independent wave equation - Particle enclosed in infinitely deep potential well (Particle in Rigid Box) - Particle in Finite potential well (Particle in Non Rigid box) (qualitative) - Tunneling effect, Tunneling effect examples (principle only) : Alpha Decay, Scanning Tunneling Microscope, Tunnel diode - Introduction to quantum computing. (Chapter-6) Unit IV Semiconductor Physics Free electron theory (Qualitative) - Opening of band gap due to internal electron diffraction due to lattice Band theory of solids - Effective mass of electron density of states - Fermi Dirac distribution function - Conductivity of conductors and semiconductors - Position of Fermi level in intrinsic and extrinsic semiconductors (with derivations based on carrier concentration) - Working of PN junction on the basis of band diagram - Expression for barrier potential (derivation) - Ideal diode equation - Applications of PN junction diode : Solar cell (basic principle with band diagram) IV Characteristics and Parameters, ways of improving efficiency of solar cell - Hall effect : Derivation for hall voltage, hall coefficient, applications of hall effect. (Chapter-7) Unit V Magnetism and Superconductivity Magnetism Origin of magnetism - Classification of magnetism on the basis of permeability (qualitative) - Applications of magnetic devices : transformer cores, magnetic storage, magneto-optical recording. Superconductivity Introduction to superconductivity, Properties of superconductors : zero electrical - resistance, critical magnetic field, persistent current, Meissner effect - Type I and Type II superconductors - Low and high temperature superconductors (introduction and qualitative) - AC/DC Josephson effect, SQUID : basic construction and principle of working, Applications of SQUID - Applications of superconductors. (Chapters-8, 9) Unit VI Non Destructive Testing and Nanotechnology Non Destructive Testing Classification of non-destructive testing methods - Principles of physics in non-destructive testing - Advantages of non-destructive testing methods - Acoustic emission testing - Ultrasonic (thickness measurement, flaw detection) - Radiography testing. Nanotechnology Introduction to nanotechnology - Quantum confinement and surface to volume ratio - Properties of nanoparticles : optical, electrical, mechanical - Applications of nanoparticles : Medical (targeted drug delivery), electronics, space and defense, automobile. (Chapters-10, 11)
