Phy 303: Electrical and Magnetic Properties

Credit Hours :3.00 (ChE)

 

Free Electron Theory: Free electron theory of metals, density of states, Fermi-Energy, Explanation of electrical and thermal conductivity, specific heat, transport phenomena.

 

Band Theory of Solid: Crystal periodicity and Bloch function, Nearly free electron approximation. Tight binding approximation, Band gap E-K curve. Classification of metal, insulators and semi-conductors.

 

Semiconductors:Intrinsic and impurity semiconductors. Transport property of semiconductors. Frequency dependent conductivity. Contact phenomena, p-n junction. p-n-p and n-p-n type semiconductor junctions and their characteristic properties.

 

Superconductivity:Meissner effect. Londonís theory. Type-I and Type-II superconductors. Thermodynamics of superconducting transitions. Coopers pair BCS theory. High Tc superconductors.

 

Magnetism:Different types of magnetic materials. Para, Ferro-Ferri-and antiferro-mgnetic materials. Weiss theory of ferro-magnetism. Exchange energy. Neelís theory of antiferromagnetism. Domains and Domain wallís Magnetic anisotropy. Magnetostriction.