To introduce principles and applications of quantum effects in nonostructures of semiconductors with special emphasis on electronic, optical properties and magneto-transport, and their importance to emerging technologies. The emphasis will be on phenomena and experiments with only essential quantum mechanical ideas. This is a course recommended for Engineering. Students with one course in quantum physics as background.
Course Outline:
Characteristic length scales for quantum phenomena; Scaling as a heuristic tool; Scientific and Technological significance of nanostructures and mesoscopic structures. Brief introduction to quantum view of bulk solids, Introduction to key ideas in transport and interaction of photons with material (8).
Quantum Structures: Electronic Properties: Science and technology realizing low dimensional structures; MBE, MOCVD, Langmuir-Bloddgett films, novel processes; Electronic properties of Heterostructures, Quantum wells, Quantum wires, Quantum dots, and superlattices, Strained Layer Superlattices; Transport in Mesoscopic Structures. Resonant Tunneling, Hot Electrons, Conductance and Transmission of Nanostructures. Principles of application of electronic devices (12).
Quantum Structures: Optical Properties: Optical process in low dimensional semiconductors. Absorption. Luminescence, Excitons. Application to lasers and photodetectors (12)
Transport in Magnetic Field: Megneto-transport: Transport in Magnetic Field, Semiclassical description, Quantum Approach, Abaranov-Bohm effect, Subnikov- de Haas effect; Introduction to Quantum Hall effect (10).