Band Theory of Solids

Video Lessons & Revision Notes

Free Electron Theory
Free Electron Theory
1. Free Electron Theory
In this 22 mins Video Lesson
Free Electron Theory, Thermal Motion, Drift Motion, Drift Velocity, Conductivity, Mobility, Numericals, and other topics.
Band Theory of Solids
Band Theory of Solids
2. Band Theory of Solids
In this 33 mins Video Lesson
Basic Concepts, Energy Level Splitting and Energy Bands, Conductivity and Band Structure, Conductors/Metals, Semi Metals, Insulators, Semiconductors, and other topics.
Density of States and Fermi Level
Density of States and Fermi Level
3. Density of States and Fermi Level
In this 41 mins Video Lesson
Density of States, Fermi-Dirac Distribution Function, Fermi Level, Fermi Level in Insulators, Conductors and Semiconductors, and other topics.
Concept of Holes and Effective Mass
Concept of Holes and Effective Mass
4. Concept of Holes and Effective Mass
In this 21 mins Video Lesson
Basic Concepts, Hole, and other topics.

Revision Notes

Energy bands of solids and classification of solids; Concepts of holes, effective mass; drift mobility and conductivity in conductors, intrinsic semiconductors and extrinsic semiconductors; Fermi-Dirac distribution function and Fermi energy level in a conductor, insulator, intrinsic & extrinsic semiconductor

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