College Of Engineering
RAM material, Met material , Microwaves
materials extracted Laboratory
strength of material Laboratory
The application of Semiconductor
Lectures first course
Title of Lecture
Introduction ,energy band in solid ,Valence and condition bands.
Insulators , conductors and semiconductors atomic binding in semiconductors .
Electric properties of materials ,type of semiconductors ,statistics of metal and semiconductors.
Hole formation in semiconductors ,statistics of metal and semiconductors.
Fermi-level in intrinsic semiconductors ,Extrinsic semiconductors.
N-type semiconductors , P-type semiconductors ,Majority and minority carriers.
Mobile charge carriers and immobile ion, Electron conductivity of metal.
Conductivity of intrinsic and extrinsic semiconductors
Draft and diffusion ,P-N junction
Formation of depletion layer junction or barrier voltage
Energy band diagram of a P-N junction , The total width of the junction .