PH8203 Syllabus APPLIED PHYSICS Regulation 2017 Anna University
PH8203 Syllabus OBJECTIVES:
- To illustrate, with suitable examples, the functioning of conductors, semiconductors, dielectric, magnetic and superconducting materials.
- To make the students familiarize with the optical properties of materials.
PH8203 Syllabus UNIT I ELECTRICAL PROPERTIES OF MATERIALS
Classical free electron theory – Expression for electrical conductivity – Thermal conductivity, expression – Wiedemann-Franz law – Success and failures – Quantum free electron theory – Particle in a finite potential well – Tunneling- 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 – effective number of free electrons – concept of hole.
PH8203 Syllabus 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 – Carrier transport in Semiconductors: Drift, mobility and diffusion – four-probe and Hall effect and devices – Ohmic contacts – Schottky diode.
PH8203 Syllabus UNIT III DIELECTRICS AND FERROELECTRICS
Macroscopic description of the static dielectric constant. The electronic and ionic polarizabilities of molecules – orientational polarization – Measurement of the dielectric constant of a solid. The internal field – Lorentz, Clausius-Mosotti relation. Behaviour of dielectrics in an alternating field, elementary ideas on dipole relaxation, – Piezo, pyro and ferroelectric properties of crystals -classification of ferroelectric crystals – BaTiO3 and KDP.
PH8203 Syllabus UNIT IV MAGNETISM AND SUPERCONDUCTIVITY
Atomic magnetic moment – classification of magnetic materials: diamagnetism, paramagnetism, ferromagnetism, antiferromagnetism and ferrimagnetism – Ferromagnetism: saturation magnetization and Curie temperature – exchange interaction – Domain theory – M versus H behavior – soft and hard magnetic materials -. Quantum Hall effect – Superconductivity – Zero resistance and the Meissner effect – Type I and Type II superconductors – critical current density – BCS theory of superconductivity – Elements of high temperature superconductivity (basic concepts only).
PH8203 Syllabus UNIT V OPTICAL PROPERTIES OF MATERIALS
Light waves in a homogeneous medium – refractive index – dispersion: refractive index-wave-length behaviour – group velocity and group index – NLO materials – phase matching – SHG, sum frequency generation, parametric oscillations – difference frequency generation (qualitative)- applications- – complex refractive index and light absorption – Luminescence, phosphors and white LEDs – polarization – optical anisotropy: uniaxial crystals, birefringence, dichroism – electro-optic effect and amplitude modulators- electro-absorption.
TOTAL : 45 PERIODS
PH8203 Syllabus OUTCOMES:
At the end of the course, the students will able to
- Gain knowledge on classical and quantum electron theories, and energy band structures,
- Acquire knowledge on basics of semiconductor physics and its applications in various devices,
- Get knowledge on the functioning of dielectric and ferroelectric materials,
- Have the necessary understanding on magnetic and superconducting properties of materials,
- Understand the basics of nonlinear optical materials and their applications in optical modulators.
PH8203 Syllabus TEXT BOOKS:
- Kasap, S.O. ―Principles of Electronic Materials and Devices‖, McGraw-Hill Education, 2007.
- Umesh K Mishra & Jasprit Singh, ―Semiconductor Device Physics and Design‖, Springer, 2008.
- Wahab, M.A. ―Solid State Physics: Structure and Properties of Materials‖. Narosa Publishing House, 2009.
PH8203 Syllabus REFERENCES:
1. Askeland, D. ―Materials Science and Engineering‖. Brooks/Cole, 2010.
2. Smith, W.F., Hashemi, J. & Prakash, R. ―Materials Science and Engineering‖. Tata McGraw Hill Education Pvt. Ltd., 2014.
3. Balasubramaniam, R. ―Callister’s Materials Science and Engineering‖. Wiley India Pvt. Ltd., 2014.
|Subject Name||APPLIED PHYSICS|
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