code EC311
credit_hours 3
title Electronic Materials
arbic title
prequisites EC210
credit hours 3
Description/Outcomes Free electron model, Electric conductivity, and Dielectric properties: Microscopic electric field Dielectric constant and polarizability, local electric field at an atom. Magnetic materials and Ferro electric Crystals. Diamagnetism and Para-magnetism, Ferromagnetic order. Antiferro magnetic order. Ferromagnetic domains, superconductivity. Destructuction of superconductivity by magnetic fields, Meissner effect.
arabic Description/Outcomes
objectives Understanding the properties of: Dielectrics. Ferromagnetic materials. Magnetic materials.rn
arabic objectives
ref. books C.Kittel, Introduction To Solid State Physics, John Wiley and Sons. A.Omar," Elementary Solid State Physics" Addison-Welsey.
arabic ref. books
textbook S.O.Kasap, Principles of Electrical Engineering materials and Devices, 2000, McGraw-Hill.
arabic textbook
objective set
content set
Course Content
content serial Description
1 Free electron gas model and Fermi-Dirac statistics.
2 Modern theory of metals and electric conductivity.
3 Introduction to Dielectrics “Introduction, Basic Formula”.
4 Dielectric constant & Local Field” Polarisability, Local field, Lorentz sphere and its field.
5 Clausius Mossoti relation, Sources of Polarisability, Relation Between polarisability and frequency.
6 Approximations of dipolar polarisability, Distinguish Between polar and non polar materials, Dipolar Dispersion, Complex dielectric constant, Dipolar polarization in solids.
7 Polarisability and Electrical Properties ““Ionic Polarisability, Electronic Polarisability, Piezoelectricity, Ferro electricity. rn
8 Introduction to Magnetism, classification of material” “Introduction, Review of rnBasic formula, Zee -man splitting”.
9 Diamagnetism and its material, Kinds of magnetic materials and its classifications, Classical Diamagnetism, Langavin Diamagnetism, Diamagnetic susceptibility.rn
10 Para magnetism and its material. Classical Para magnetism, Quantum Para rnmagnetism, Atomic origin of magnetism (Hand‟s Rule), Magnetism in metals.
11 Ferromagnetism, Molecular Field Theory, The Physical origin of molecular field theory.
12 Antiferrimagnetism and magnetic domain “Antiferromagnetism,rnFerrimagnetism, Ferromagnetism in metals, Magnetic domains” .
13 Introduction to Superconductivity and magnetic domain. “Introduction and overview, Zero resistance(resistivity - temperature curve), Occurrence of superconductivity”.
14 “Perfect Diamagnetism (Meissner Effect), Critical Field, Curves of the critical field”.
15 Electrodynamics of superconductivity and revision” Electrodynamics of rnSuperconductivity (Using Maxwell equations), Revision”.
16 Final Exam.