Course Title: 
Solid State Devices
Course Code: 
Year Taught: 
Undergraduate (UG)
School of Engineering

'Solid State Devices' is a course offered for the B. Tech. (Bachelor of Technology) in Electronics and Communication Engineering at School of Engineering, Amrita Vishwa Vidyapeetham.

Unit 1

Introduction to Semiconductor materials, Crystal Structure of Silicon and GaAs – Planes – directions - planes and planar atomic densities - Unit cell characteristics - Review of Quantum Mechanics – Dual Nature of Light and Electrons - Bohr model of atom, Uncertainty Principle - Time dependent and Time independent Schrodinger Wave equation - Infinite Potential well problem - Step Potential Function - Tunneling.

Unit 2

Molecular Orbital theory and formation of energy bands in semiconductors - Direct and Indirect band gap semiconductors - Charge carriers - Effective mass - Extrinsic and intrinsic semiconductors - Fermi Dirac Statistics and Fermi Level - Boltzman Statistics - Density of states - Equilibrium Carrier concentrations - Drift velocity and mobility - Temperature dependence of carrier concentration – mobility - and conductivity - Hall effect - Excess Carriers and photoconductivity - Diffusion of Carriers - Built in fields

Unit 3

Direct and indirect recombination - excess carrier lifetime - Steady State Carrier generation - Quasi Fermi levels - Continuity Equation - Haynes Shockley experiment - Equilibrium PN junctions - Band diagram - built in potential and electric field in space charge region - depletion width - Forward and Reverse Biased PN junction - Ideal Diode equation - Reverse bias breakdown - PN Junction diodes - MOSFET Physics - Threshold voltage - Fundamentals of BJT physics.


  1. Ben G. Streetman and Sanjay Kumar Banerjee, “Solid State Electronic Devices”, Prentice Hall India, Sixth Edition, 2009.
  2. Donald A. Neamen, “Semiconductor Physics and Devices: Basic Principles”, McGraw-Hill International, Third Edition, 2003.
  3. S. M. Sze and Kwok K. NG, “Physics of Semiconductor Devices”, John Wiley and Sons, Inc., Third Edition, 2007
  4. S. O. Kasap, “Principles of Electronic Materials and Devices”, Tata McGraw Hill, Third Edition, 2007.