Types of Spectra, sources and detection. Spectra of one and two electron systems,
Electron Angular Momentum, Space Quantization, Electron Spin and Spin Angular
Momentum, Larmor’s Theorem, Spin Magnetic Moment. Stern-Gerlach Experiment.
spin-orbit interaction energy, Electron Magnetic Moment and Magnetic Energy,
Zeeman and Stark Effect.
Photovoltaic Cell: Solar Energy Spectrum, Photovoltaic Device Principle, p-n
Light Emitting Diode: Semiconductor concepts and energy bands, Direct and
Atomic Physics and Spectra
junction photovoltaic I-V characteristics, Series resistance and equivalent circuit,
Temperature effects, Solar Cell Materials, devices and efficiencies.
indirect bandgap semiconductors, E-k diagram, p-n junction principle, p-n junction
band diagram, LED: Principles and device structures, LED materials, Heterojunction
high intensity LEDs, LED characteristics.
Superconductors: Characteristic properties of superconducting materials: Zero
resistance, Meissner effect, critical magnetic field, critical current density, London
equation, Type-I and Type-II superconductors, isotope effect, flux quantization, Heat
capacity, Thermal conductivity, Concept of energy gap, penetration depth, coherence
length and Cooper pairs; Current carrying property of type-II superconductors. Large
scale and high current applications of superconductors
Nanomaterials: Classification of functional nanomaterials, Historical development.
Size & Scale, units, Scaling Laws, Nanoscale Phenomena; Size dependence of
properties, Phenomena and Properties at nanoscale, Mechanical, Optical, Electrical
Transport, Magnetic properties.
Fabrication techniques: Sol-Gels. Langmuir-Blodgett thin films, Nanolithography,
Fullerenes Carbon Nanotubes, Nano-composites, Applications of Nanomaterials,
Energy Storage and fuel cells.