GTU 3110018 Physics (Group – II): Syllabus

Sr.
No.		TopicsTeaching HoursModule Weightage
1MODULE 1: ELECTRONIC MATERIALS:
1. Free electron theory
2. Density of states and energy band diagrams,
3. Kronig-Penny model (to introduce origin of band gap), Energy bands in solids,
4. E-k diagram, Direct and indirect bandgaps,
5. Types of electronic materials: metals, semiconductors, and insulators,
6. Density of states, Occupation probability,
7. Fermi level, Effective mass, Phonons.		822 %
2MODULE 2: SEMICONDUCTORS:
1. Intrinsic and extrinsic semiconductors
2. Dependence of Fermi level on carrier-concentration and temperature (equilibrium carrier statistics)
3. Carrier generation and recombination, Carrier transport: diffusion and drift, p-n junction,
4. Metal-semiconductor junction (Ohmic and Schottky), Semiconductor materials of interest for optoelectronic devices		1027 %
3MODULE 3: LIGHT-SEMICONDUCTOR INTERACTION:
1. Optical transitions in bulk semiconductors: absorption, spontaneous emission, and stimulated emission;
2. Joint density of states
3. Density of states for photons,
4. Transition rates (Fermi’s golden rule)
5. Optical loss and gain; Photovoltaic effect, Exciton
6. Drude model		617 %
4Module 4: Measurements:
1. Four-point probe and Van Der Pauw measurements for carrier density,
2. Resistivity and hall mobility
3. Hot-point probe measurement, capacitance-voltage measurements,
4. Parameter extraction from diode I-V characteristics, DLTS,
5. band gap by UV-Vis spectroscopy, absorption/transmission.		617 %
5Module 5: Superconductivity:
1. Introduction of Superconductivity
2. Properties of superconductor
3. Effect of magnetic field
4. Meissner effect
5. Pressure effect
6. Impurity effect
7. Isotopic mass effect
8. Mechanism of Superconductivity : BCS Theory
9. Penetration depth : Magnetic field
10. Josephson’s junction and its application Application of superconductors		617 %

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