Syllabus
Unit-1: MODULE 1: ELECTRONIC MATERIALS
1. Free electron theory 2. The density of states and energy band diagrams, 3. Kronig-Penny model (to introduce the origin of the band gap), Energy bands in solids, 4. E-k diagram, Direct and indirect bandgaps, 5. Types of electronic materials: metals, semiconductors, and insulators, 6. The density of states, Occupation probability, 7. Fermi level, Effective mass, Phonons.
Unit-2: MODULE 2: SEMICONDUCTORS (10)
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
Unit-3: MODULE 3: LIGHT-SEMICONDUCTOR INTERACTION
1. Optical transitions in bulk semiconductors: absorption, spontaneous emission, and stimulated emission; 2. Joint density of states 3. The density of states for photons, 4. Transition rates (Fermi's golden rule) 5. Optical loss and gain; Photovoltaic effect, Exciton 6. Drude model
Unit-4: Module 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. bandgap by UV-Vis spectroscopy, absorption/transmission.
Unit-5: Module 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
| Syllabus | Download |
|---|---|
| Physics Group - 2 | Click Here |
Darshan Institute Chapter-Wise PPTs/Notes :
| Units | Download |
|---|---|
| (Notes) Electronic Materials | Click Here |
| (Notes) Semiconductors | Click Here |
(Notes) Light Semiconductor Interaction | Click Here |
(Notes) Measurements | Click Here |
(Notes) Superconductivity | Click Here |
| (PPT) Electronic Materials | Click Here |
| (PPT) Semiconductors | Click Here |
(PPT) Light Semiconductor Interaction | Click Here |
(PPT) Measurements | Click Here |
(PPT) Superconductivity | Click Here |
Physics Group - 2 Old Papers :
| Year(Winter/Summer) | Question Paper |
|---|---|
| Winter 2021 | Click Here |
| Winter 2020 | Click Here |
| Winter 2019 | Click Here |
| Winter 2018 | Click Here |
| Summer 2019 | Click Here |
Physics Group - 2 Books :
| Books | Download |
|---|---|
| Physics Group - 2 (Atul Prakashan) | Click Here |