MNT 201 - Properties of Nanostructure
UNIT I :
Nanoscale I/V: Quantum wells, Q wires and dots, density of states, electrical transport properties in semiconductor nanostructures, quantization of conductance, coulomb blockade, Kondo effect, ballistic transport, non relativistic dirac fermions (massless electrons) & their conductance, Quantum Hall effect, fractional Q Hall effect.
UNIT II :
Vibrational and thermal properties of low-dimensional materials, phonons, quantization of phonon modes, 0D, 1D, 2D, and 3D phonons, heat capacity and thermal transport at nanoscale. Superconductivity phenomena, flux quantization, Josephson effects, proximity and anti proximity effects at nanoscale.
UNIT III :
Nanofluid mechanics; flow of nanofluid, electrophoresis dielectrophoresis: Size selective sepration of dielectric nano particles, nano and micro fluid channels, low reynold number fluid dynamics, optical tweezer.
Unit IV :
Linear and nonlinear optical properties, Size Quantization effect, Optical blueshift phenomenon, Effective mass approximation, Tight Binding Theory (TBT), Collective oscillation, surface plasmon resonance, interactions between Nanoparticles, coupled-dipole approximation, Light detection in nano-structures; scanning near-field microscopy, single-molecule detection.
UNIT V :
Negative refrective index metamaterials, Passive microwave devices and antenna transmission lines metamaterials, super resolving metamaterials, negative refractive index lenses. Plasmonic nanowire metamaterials.
MNT 202 - Transduction and Measurements
Unit-I
Principles of transduction; some examples of transducers. Light sensing detectors (photo diodes and photo multiplier tubes) and their classification. Oscilloscopes, fast amplifiers, lockin amplifiers, Control systems, interfacing for data acquisition and processing.
Unit-II
Nanosensors: Gas sensors, Pollution sensor, Photo sensor, Temperature sensor, IR detector, Biosensor, nanomaterial gas discharge devices, CNT based fluid velocity sensor. Turbo and ultra high vacuum, Clean room technology, class 1000,100,10 clean rooms.
Unit-III
Thermodynamics & liquefaction of gases, Cryostat design , Transport Phenomenon, Fermi surface, Conductivity of solids, Technique of low temperature measurement, Physical properties measurement systems (Quantum design-PPMS), Magnetic properties measurement systems (MPMS), SQUIDS, Vibrational sample magnetometer (VSM), AC magnetic susceptibility measurement. Kelvin probe measurements, Ferroelectric and Ferromagnetic measurement, dielectric measurement.
Unit-IV
Interaction of radiation with matter, absorption, spontaneous emission and stimulated emission, population inversion, Semiconducting lasers, Quantum well lasers and quantum dot lasers. Chaotic light and coherence, Trapping and cooling.
Unit-V
Scattering theory, elastic and inelastic scattering, Types of scattering (Raman and Rayleigh scattering), Theory of luminescence, types of luminescence, Photoluminiscence, electroluminescence, and its applications, activators and co-activators, colour centres, Single and two photon laser induced fluorescence, excited state dynamics (lifetimes), fluorescence resonant energy transfer, single molecule dynamics.
MNT 203 - Fuctional Nano Materials
Unit I :
Nature of carbon bonds, Different allotropes of carbon, structure and properties of C60, Graphene, Carbon nanotubes and its types, Laser vaporization techniques, arc discharge method and chemical vapor deposition techniques for CNT preparation, purification techniques. Properties of Carbon Nanotubes and Graphene: Optical, Electrical and electronic properties, Mechanical, Thermal and vibrational properties.
Unit II :
Shape memory alloys, Principle of one-way and two-way shape memory alloys. Important parameters in pseudo-elastic transformations. Shape memory alloy deformation, twinning & actuation. Thin film shape memory alloys for MEMS and transduction applications. Biomimetricy. Device integration of smart materials.
Unit III :
Supramolecular structures, Introduction to secondary (non covalent) interactions and their role in organic solids, Insulated molecular wires, threded molecular wires, Discotic systems, hexabenzocorones, porphyrine and phthalocyanine, rylenes, perylenes, terrylenes and quaterrylenes,. Dendrimenrs, dendronised materials as a tool to control supramolecular architectures, potential applications of supramolecules.
Unit IV :
Hybrid nanomaterials, Core shell and other encapsulated systems, magnetic particle ferrites, microorganisms for synthesis of nanoparticles, nanoparticle-enzyme hybrids, superhard nanocomposites, diblock copolymer based nanocomposites, assemply of polymer nanoparticle composites, Functionalization of carbon nano tubes, covalent functionalization, defect functionalization, nanotube-polymer composites.
Unit V :
Applications of Carbon Nanotubes in field emission, fuel cells, CNT FETs, Light emitting displays and flat panel displays, hydrogen storage, solar panels, Application of functional nanomaterials in clean energy ( Hydrogen Production from Biomass, Catalytic coal hydrogasification), in environmental technologies ( clean water and air) and in health care ( tissue and bone repairs, bio medical sensors)
MNT 204 - Nanoscale Devices
Unit I :
Silicon technology, processing methods: cleaning/etching, oxidation, gettering, doping, epitaxy. Sputtering, Plasma enhanced CVD, reactive ion etching. Moores Law, design rules for CMOS at 90 nm, 45nm, 32 nm. Semiconductor device road map, Silicon on insulator technology.
Unit II :
Gate dielectrics, poly-Si high-k dielectrics.Thermal matching, effect of lattice mismatch in device fabrication, challenges in MOSFETs for sub 15nm gate technology, 3D interconnects. Photoresist technologies for the nanoscale; metrology and defect inspection, Costing and yield, Assembly and packaging.
Unit III :
Top down approach to nanolithography; Tools for nanolithography, immersion lithography, Electron and ultraviolet (EUV) photolithography, phase shifting masses, x ray lithography including plasma xray sources, Ebeam lithography, focused ion beams. Nanosphere lithography – Molecular self-assembly, soft lithography, Stereo-lithography, nanoscale 3D shapes – NEMS design, molecular manipulation by STM and AFM - LB flim resists - nanopattern synthesis – Nano scratching.
Unit IV :
Processing III-V semiconductors including nitrides, molecular beam epitaxy, chemical beam epitaxy, metal organic CVD, quantum wells. Si-Ge, SiC, diamond: synthesis defects and properties at the nanoscale.
Unit V:
Fundamentals of carrier transport in quantum structures, temperature effects, Resonant tunneling diodes, single electron transistor, modulation-doped field effect transistor MODFETs, and Heterojunction Bipolar Transistors (HBTs)
MNT 205 - Nano Biotechnology
Unit I:
Physics of Biological sytems Interaction of biomolecules with surfaces, basic concepts of cell and molecular biology, Biomolecules and its structure, properties of DNA, Recombiant DNA technology.
Unit II:
Organic nanomaterials: Dendrimers, micelles, liposomes, block coplymers, Bionanomaterials: Biomimtric Systems, bioceremics & nanotherapeutics, microorganisms for synthesis of nanomaterials, biomembranes. Bio-functionalization of gold, magnetic and polymer nanoparticles and CNTs. .
Unit III:
Role of nanoparticles and nanodevices in Blood clotting, Blood substitutes, Bionanomaterials: Metallic and ceramic implant materials: Bone regeneration, Nano crystalline structures of Bone and Calcium phosphate cements. Cobalt-based alloys; Titanium and its alloys, Nanoparticles relating to Aluminium oxides; Hydroxyapatite; Glass ceramics; ceramic implants; Carbon implants. Nano dental materials.
UnitIV:
Nanobiodevices, Nanobio hybrid systems for bioelectronic devices , nanoparticle-enzyme devices, nanoparticle based protein recognition, biomaterial circuitry, lab on chip technology. Potentiometric sensors including chemically sensitive field effect transisitors, fabrication of planer waveguides immunosensors, surface plasmon resonance sensors and cantilever sensors.
Unit V:
Drug designing and synthesis of nanodrugs–metal nanoparticles and drug delivery vechicles– Nanoshells–Tectodentrimers Nanoparticle drug systems – Diagnostic applications of nanotechnology. Fundamentals of synthetic chemistry and its pharmaceutical applications.
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