Course |
Learning outcome (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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PHY 424(C) |
Nanotechnology – II
|
After completion of the course, students will be able to CO 154: Learn about various types of nanomaterials, structural ,electrical , optical and magnetic properties of nanomaterials. CO 155: Understand synthesis and properties of Carbon nanotubes and porous Silicon. CO 156: Learn electronic and magnetic behavior of nanoparticles, spin tunneling through magnetic junctions and magnetoresistance. CO 157: Understand the practical application and advantages of nanomaterials in various fields for example energy generation and storage memory devices. |
Approach in teaching: Interactive Lectures, Discussion, Tutorials, Demonstration, problem solving in tutorials.
Learning activities for the students: Self learning assignments, Effective questions, Simulation, Seminar presentation, Giving tasks Additional learning through online videos and MOOC courses |
Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations |
(a) Avalanche Transit Time Device: Read Diode, Negative resistance of an avalanching p-n junction diode ,IMPATT and TRAPATT Oscillator.
(b) Transferred Electron Device: Gunn Effect, two valley model, High field domains, Different modes for Microwave generation.
Termination (Short circuit and mathced terminations) Attenuator, Phase changers, E & H plane Tees, Hybrid Junctions. Directional coupler. Parametric Amplifier: Varactor, Equation of Capacitance in Linearly graded & Abrupt p-n Junction, Manely Rowe relations, parametric upconvertor and Negative resistance parametric amplifier, use of circulator, Noise in parametric amplifiers.
Introduction to antenna parameters, Magnetic Currents, Electric and magnetic current sheet, Field of Huygen's source, Radiation from a slot antenna, open end of a wave guide and Electromagnetic Horns. Parabolic reflectors, Lens antennas. Radiation fields of Microstrip wave guide, Microstrip antenna calculations, Mircrostrip design formulas.
Modes of Microwave Communication: LOS, Diffraction, Troposphere, Line of sight microwave system, Derivation of LOS communication range, Over the Horizon microwave systems, Derivation of fields strength of tropospheric waves, Transmission, interference and signal damping, Duct propagation.
Satellite orbits, Satellite location with Synchronous satellites, Satellite location with respect to earth and looks angle, earth coverage and slant range, Eclipse effect, Link calculation, Noise consideration, Factors Affecting satellite communication.