17EC551 Nanoelectronics syllabus for EC

Introduction:

Overview of nanoscience and engineering. Development milestones in microfabrication and electronic industry. Moore‘s law and continued miniaturization, Classification of Nanostructures, Electronic properties of atoms and solids: Isolated atom, Bonding between atoms, Giant molecular solids, Free electron models and energy bands, crystalline solids, Periodicity of crystal lattices, Electronic conduction, effects of nanometerlength scale, Fabrication methods: Top down processes, Bottom up processes methods for templating the growth of nanomaterials, ordering of nanosystems (Text 1). L1, L2

Characterization:

Classification, Microscopic techniques, Field ion microscopy, scanning probe techniques, diffraction techniques: bulk and surface diffraction techniques (Text 1).

Inorganic semiconductor nanostructures:

overview of semiconductor physics. Quantum confinement in semiconductor nanostructures: quantum wells, quantum wires, quantum dots, super-lattices, band offsets, electronic density of states (Text 1). L1, L2

Fabrication techniques:

requirements of ideal semiconductor, epitaxial growth of quantum wells, lithography and etching, cleaved-edge over growth, growth of vicinal substrates, strain induced dots and wires, electrostatically induced dots and wires, Quantum well width fluctuations, thermally annealed quantum wells, semiconductor nanocrystals, collidal quantum dots, self-assembly techniques.(Text 1).

Physical processes:

modulation doping, quantum hall effect, resonant tunneling, charging effects, ballistic carrier transport, Inter band absorption, intraband absorption, Light emission processes, phonon bottleneck, quantum confined stark effect, nonlinear effects, coherence and dephasing, characterization of semiconductor nanostructures: optical electrical and structural (Text 1). L1, L2

Carbon Nanostructures:

Carbon molecules, Carbon Clusters, Carbon Nanotubes, application of Carbon Nanotubes. (Text 2) L1, L2

Nanosensors:

Introduction, What is Sensor and Nanosensors?, What makes them Possible?, Order From Chaos, Characterization, Perception, Nanosensors Based On Quantum Size Effects, Electrochemical Sensors, Sensors Based On Physical Properties, Nanobiosensors, Smart dust Sensor for the future. (Text 3)

Applications:

Injection lasers, quantum cascade lasers, single-photon sources, biological tagging, optical memories, coulomb blockade devices, photonic structures, QWIP‘s, NEMS, MEMS (Text 1). L1, L2

Course Outcomes:

After studying this course, students will be able to:

• Know the principles behind Nanoscience engineering and Nanoelectronics.
• Know the effect of particles size on mechanical, thermal, optical and electrical properties of nanomaterials.
• Know the properties of carbon and carbon nanotubes and its applications.
• Know the properties used for sensing and the use of smart dust sensors.
• Apply the knowledge to prepare and characterize nanomaterials.
• Analyse the process flow required to fabricate state-of-the-art transistor technology.

Text Books:

1. Ed Robert Kelsall, Ian Hamley, Mark Geoghegan, ―Nanoscale Science and Technology‖, John Wiley, 2007.

2. Charles P Poole, Jr, Frank J Owens, ―Introduction to Nanotechnology‖, John Wiley, Copyright 2006, Reprint 2011.

3. T Pradeep, ―Nano: The essentials-Understanding Nanoscience and Nanotechnology‖, TMH.

Reference Book:

Ed William A Goddard III, Donald W Brenner, Sergey E. Lyshevski, Gerald J Iafrate, ―Hand Book of Nanoscience Engineering and Technology‖, CRC press, 2003.