PH8253 Physics Anna University Syllabus Regulation 17

PH8253 Physics Anna University Syllabus Regulation 17

PH8253                     PHYSICS FOR ELECTRONICS ENGINEERING            L T P C 3 0 0 3    (Common to BME, ME, CC, ECE, EEE, E&I, ICE) 

 To understand the essential principles of Physics of semiconductor device and Electron transport properties. Become proficient in magnetic, dielectric and optical properties of materials and nano devices.

UNIT I       ELECTRICAL PROPERTIES OF MATERIALS                                                       9 Classical free electron theory - Expression for electrical conductivity – Thermal conductivity, expression - Wiedemann-Franz law – Success and failures - electrons in metals – Particle in a three dimensional box – degenerate states – Fermi- Dirac statistics – Density of energy states –Electron in periodic potential: Bloch thorem – metals and insulators - Energy bands in solids– tight binding approximation - Electron effective mass – concept of hole.

UNIT II      SEMICONDUCTOR PHYSICS                                                                                    9 Intrinsic Semiconductors – Energy band diagram – direct and indirect semiconductors – Carrier concentration in intrinsic semiconductors – extrinsic semiconductors - Carrier concentration in Ntype & P-type semiconductors – Carrier transport: Velocity-electric field relations – drift and diffusion transport - Einstein‘s relation – Hall effect and devices – Zener and avalanche breakdown in p-n junctions - Ohmic contacts – tunnel diode - Schottky diode – MOS capacitor - power transistor.

UNIT III     MAGNETIC AND DIELECTRIC PROPERTIES OF MATERIALS                      9 Magnetism in materials – magnetic field and induction – magnetization - magnetic permeability and susceptibility–types of magnetic materials – microscopic classification of magnetic materials - Ferromagnetism: origin and exchange interaction- saturation magnetization and Curie temperature – Domain Theory. Dielectric materials: Polarization processes – dielectric loss – internal field – Clausius-Mosotti relation- dielectric breakdown – high-k dielectrics.

UNIT IV    OPTICAL PROPERTIES OF MATERIALS                                                                9 Classification of optical materials – carrier generation and recombination processes - Absorption emission and scattering of light in metals, insulators and Semiconductors (concepts only) - photo current in a P- N diode – solar cell –photo detectors - LED – Organic LED – Laser diodes – excitons - quantum confined Stark effect – quantum dot laser.

UNIT V     NANOELECTRONIC DEVICES                                                                                   9 Introduction - electron density in bulk material – Size dependence of Fermi energy– quantum confinement – quantum structures - Density of states in quantum well, quantum wire and quantum dot structures –Zener-Bloch oscillations – resonant tunneling – quantum interference effects – mesoscopic structures: conductance fluctuations and coherent transport – Coulomb blockade effects - Single electron phenomena and Single electron Transistor – magnetic semiconductors– spintronics - Carbon nanotubes: Properties and applications.

OUTCOMES: At the end of the course, the students will able to  Gain knowledge on classical and quantum electron theories, and energy band structuues,  Acquire knowledge on basics of semiconductor physics and its applications in various devices,  Get knowledge on magnetic and dielectric properties of materials,  Have the necessary understanding on the functioning of optical materials for optoelectronics,  Understand the basics of quantum structures and their applications in spintronics and carbon electronics..

1. Kasap, S.O. ―Principles of Electronic Materials and Devices‖, McGraw-Hill Education, 2007.
2. Umesh K Mishra & Jasprit Singh, ―Semiconductor Device Physics and Design‖, Springer, 2008. 3. Wahab, M.A. ―Solid State Physics: Structure and Properties of Materials‖. Narosa Publishing House, 2009.

1. Garcia, N. & Damask, A. ―Physics for Computer Science Students‖. Springer-Verlag, 2012.
2. Hanson, G.W. ―Fundamentals of Nanoelectronics‖. Pearson Education, 2009
3. Rogers, B., Adams, J. & Pennathur, S. ―Nanotechnology: Understanding Small Systems‖. CRC Press, 2014

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