NPTEL : NOC:Introduction to Semiconductor Devices (Electrical Engineering)

Co-ordinators : Prof. Naresh Kumar Emani


Lecture 1 - Types of Semiconductors

Lecture 2 - Classical Vs Quantum Mechanics

Lecture 3 - Electrons in infinite and finite 1D potential well

Lecture 4 - 3D potential well model of atom and Bohr's model

Lecture 5 - Covalent bonds and inter-atomic interactions in Silicon

Lecture 6 - Energy band formation

Lecture 7 - Electron hole pair generation

Lecture 8 - Direct and Indirect bandgap semiconductors

Lecture 9 - Energy levels in infinite and finite potential wells (short demo)

Lecture 10 - Effective mass in Semiconductors

Lecture 11 - Intrinsic carrier density

Lecture 12 - Doping and extrinsic semiconductors

Lecture 13 - Fermi level in extrinsic semiconductors

Lecture 14 - Temperature dependence of Fermi level

Lecture 15 - Temperature dependence of Fermi level

Lecture 16 - Charge neutrality relationship

Lecture 17 - Drift current and energy band representation of kinetic energy of carriers

Lecture 18 - Semiconductor bands in a electric field

Lecture 19 - Diffusion current

Lecture 20 - Non-uniform doping

Lecture 21 - Equilibrium Vs Nonequilibrium carrier response

Lecture 22 - Minority carrier diffusion equation (MCDE) - Example problems

Lecture 23 - Quasi Fermi level in nonequilibrium conditions

Lecture 24 - Quasi Fermi level and minority carrier diffusion length

Lecture 25 - Semiconductor device fabrication

Lecture 26 - PN Junctions - An introduction

Lecture 27 - PN Junction electrostatics

Lecture 28 - Energy band diagram of PN junction

Lecture 29 - Depletion width and peak electric field

Lecture 30 - PN junction electrostatics - examples

Lecture 31 - Demo of PN Junction Lab on Nanohub

Lecture 32 - Forward and reverse biased PN junctions

Lecture 33 - Minority carrier injection in PN junctions

Lecture 34 - Current in forward biased PN junction

Lecture 35 - Current in reverse biased PN junction

Lecture 36 - Depletion capacitance in PN junction

Lecture 37 - Non-idealities in PN junction diode

Lecture 38 - Nanohub Demo - PN Junction with applied bias

Lecture 39 - Schottky barrier in metal-semiconductor junction

Lecture 40 - Current flow across a Schottky barrier

Lecture 41 - Ohmic vs rectifying contacts

Lecture 42 - An Ideal MOS Capacitor

Lecture 43 - Operating regimes of a MOSCAP

Lecture 44 - Simplified band diagrams of accumulation and depletion in MOSCAP

Lecture 45 - Inversion in a MOSCAP

Lecture 46 - NMOSCAP in accumulation mode

Lecture 47 - NMOSCAP in depletion mode

Lecture 48 - NMOSCAP in inversion mode

Lecture 49 - Exact solution vs delta-depletion approximation

Lecture 50 - Threshold voltage in a MOSCAP

Lecture 51 - Nanohub Demo - MOSCAP tool

Lecture 52 - Non-ideal MOS Capacitor

Lecture 53 - MOSCAP Capacitance-Voltage (CV) Characteristics

Lecture 54 - Example problems with MOSCAPs

Lecture 55 - Impact of doping, oxide thickness and temperature on CV

Lecture 56 - Nanohub Demo - MOS CV

Lecture 57 - Introduction to MOSFET

Lecture 58 - Operating modes of a MOSFET

Lecture 59 - IV Characteristics of a long channel MOSFET

Lecture 60 - Example problems with MOSFETs

Lecture 61 - MOSFET device metrics

Lecture 62 - CMOS Technology

Lecture 63 - MOSFET Scaling and technology nodes

Lecture 64 - Limits of scaling

Lecture 65 - Current characteristics of a short channel MOSFET

Lecture 66 - Threshold voltage characteristics of short channel MOSFET

Lecture 67 - MOSFETs in the 21st century

Lecture 68 - Optical absorption and bandgap

Lecture 69 - Introduction to solar cells

Lecture 70 - Efficiency of a solar cell

Lecture 71 - Types of photodetectors

Lecture 72 - PIN and avalanche Photodectectors

Lecture 73 - Photodetector metrics

Lecture 74 - Radiative absoption and emission processes

Lecture 75 - Materials for optoelectronic devices

Lecture 76 - Operation of a light emitting diode (LED)

Lecture 77 - LED emission spectrum

Lecture 78 - Stimulated emission and lasing