PH3255 Syllabus PHYSICS FOR INSTRUMENTATION ENGINEERING
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UNIT I ELECTRICITY AND MAGNETISM
Coulomb’s law, electric field intensity, electric flux density, Gauss’ law, divergence, electric field and
potential due to point, line, plane, and spherical charge distributions, effect of the dielectric medium,
capacitance of simple configurations, Biot-Savart’s law, Ampere’s law, curl, Faraday’s law, Lorentz
force, Inductance, Magneto motive force, reluctance, magnetic circuits, self and mutual inductance of
simple configurations.
PH3255 Syllabus
UNIT II ELECTRICAL AND MAGNETIC PROPERTIES OF MATERIALS
Classical free electron theory – Expression for electrical conductivity – Thermal conductivity,
expression – Quantum free electron theory :Tunneling – degenerate states – Fermi- Dirac statistics –
Density of energy states – Electron in periodic potential – Energy bands in solids – tight binding
approximation – Electron effective mass – concept of hole. Magnetic materials: Dia, para and
ferromagnetic effects – paramagnetism in the conduction electrons in metals – exchange interaction
and ferromagnetism – quantum interference devices – GMR devices.
UNIT III SEMICONDUCTORS AND TRANSPORT PHYSICS
Intrinsic Semiconductors – Energy band diagram – direct and indirect band gap semiconductors –
Carrier concentration in intrinsic semiconductors – extrinsic semiconductors – Carrier concentration in
N-type & P-type semiconductors – Variation of carrier concentration with temperature – Carrier
transport in Semiconductors: Drift, mobility and diffusion – Hall effect and devices – Ohmic contacts –
Schottky diode.
PH3255 Syllabus
UNIT IV OPTICAL PROPERTIES OF MATERIALS
Classification of optical materials – Optical processes in semiconductors: optical absorption and
emission, charge injection and recombination, optical absorption, loss and gain. Optical processes in
quantum wells – Optoelectronic devices: light detectors and solar cells – light emitting diode – laser
diode – optical processes in organic semiconductor devices –excitonic state – Electro-optics and
nonlinear optics: Modulators and switching devices – plasmonics.
UNIT V NANODEVICES AND QUANTUM COMPUTING
Introduction – quantum confinement – quantum structures: quantum wells, wires and dots –– band
gap of nanomaterials. Tunneling – Single electron phenomena: Coulomb blockade – resonanttunneling diode – single electron transistor – quantum cellular automata – Quantum system for
information processing – quantum states – classical bits – quantum bits or qubits –CNOT gate –
multiple qubits – Bloch sphere – quantum gates – advantage of quantum computing over classical
computing.
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