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nano electronics

Semester :  VI

Course Code : 18EC645

CIE Marks : 40                       SEE Marks : 60

 Module – 1

Printed Notes

Hand Written Notes

 Module – 2

Printed Notes

Hand Written Notes

 Module – 3

Printed Notes

Hand Written Notes

 Module – 4

Printed Notes

Hand Written Notes

 Module – 5

Printed Notes

Hand Written Notes

NANO ELECTORNICS
18EC645

SYLLABUS

Module-1

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 nanometer length scale, Fabrication methods: Top-down processes, Bottom-up processes methods for templating the growth of nanomaterials, ordering of nanosystems (Text 1). L1, L2 

Module-2

Characterization: Classification, Microscopic techniques, Field ion microscopy, scanning probe techniques, diffraction techniques: bulk and surface diffraction techniques (Text 1).
Inorganic semiconductor nanostructures: an 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 

Module-3

Fabrication techniques: requirements of ideal semiconductor, epitaxial growth of quantum wells, lithography and etching, cleaved-edge overgrowth, growth of Vicinal substrates, strain-induced dots and Wires, electrostatically induced dots and Wires, Quantum well Width fluctuations, thermally annealed quantum wells, semiconductor nanocrystals, colloidal quantum dots, self-assembly techniques. (Text 1).
Physical processes: modulation doping, quantum hall effect, resonant tunnelling, charging effects, ballistic carrier transport, Interband 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

Module-4

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

Module-5

Nanosensors: Introduction, What is Sensor and Nanosensors?, What makes them Possible?, Order From Chaos, Characterization, Perception, NanosensorsBased 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