PH8252 Physics for Information Science Syllabus Notes Question Banks Anna University

PH8252 Physics for Information Science Syllabus Notes Question Paper Question Banks Anna University - Regulation 2017 2nd Semester Notes CBCS

Anna University Physics for Information Science Syllabus Notes Question Bank Question Papers

Anna University PH8252 Physics for Information Science Notes are provided below. PH8252 Notes all 5 units notes are uploaded here. here PH8252 Physics for Information Science notes download link is provided and students can download the PH8252 Lecture Notes and can make use of it.

HS6151 Physics for Information Science I Notes HS6151 Notes 2nd semester

PH8252 Physics for Information Science Syllabus Regulation 2017
UNIT I ELECTRICAL PROPERTIES OF MATERIALS
Classical free electron theory - Expression for electrical conductivity – Thermal conductivity, expression - Wiedemann-Franz law – Success and failures - electrons in metals – Particle in a three dimensional box – 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.
UNIT II SEMICONDUCTOR 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 – variation of Fermi level with temperature and impurity concentration – Carrier transport in Semiconductor: random motion, drift, mobility and diffusion – Hall effect and devices – Ohmic contacts – Schottky diode.
UNIT III MAGNETIC PROPERTIES OF MATERIALS
Magnetic dipole moment – atomic magnetic moments- magnetic permeability and susceptibility - Magnetic material classification: diamagnetism – paramagnetism – ferromagnetism – antiferromagnetism – ferrimagnetism – Ferromagnetism: origin and exchange interaction- saturation magnetization and Curie temperature – Domain Theory- M versus H behaviour – Hard and soft magnetic materials – examples and uses-– Magnetic principle in computer data storage – Magnetic hard disc (GMR sensor).
UNIT IV OPTICAL PROPERTIES OF MATERIALS
Classification of optical materials – carrier generation and recombination processes - Absorption emission and scattering of light in metals, insulators and semiconductors (concepts only) - photo current in a P-N diode – solar cell - LED – Organic LED – Laser diodes – Optical data storage techniques.
UNIT V NANO DEVICES

Electron density in bulk material – Size dependence of Fermi energy – Quantum confinement – Quantum structures – Density of states in quantum well, quantum wire and quantum dot structure - Band gap of nanomaterials – Tunneling: single electron phenomena and single electron transistor – Quantum dot laser. Conductivity of metallic nanowires – Ballistic transport – Quantum resistance and conductance – Carbon nanotubes: Properties and applications .

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