Electronic Materials

  • Electronics & Communications Engineering |


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.


Bachelor in Electronics and Communications Engineering


  • Understanding the properties of: Dielectrics. Ferromagnetic materials. Magnetic materials.rn


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Course Content

content serial Description
1Free electron gas model and Fermi-Dirac statistics.
2Modern theory of metals and electric conductivity.
3Introduction to Dielectrics “Introduction, Basic Formula”.
4Dielectric constant & Local Field” Polarisability, Local field, Lorentz sphere and its field.
5Clausius Mossoti relation, Sources of Polarisability, Relation Between polarisability and frequency.
6Approximations of dipolar polarisability, Distinguish Between polar and non polar materials, Dipolar Dispersion, Complex dielectric constant, Dipolar polarization in solids.
7Polarisability and Electrical Properties ““Ionic Polarisability, Electronic Polarisability, Piezoelectricity, Ferro electricity. rn
8Introduction to Magnetism, classification of material” “Introduction, Review of rnBasic formula, Zee -man splitting”.
9Diamagnetism and its material, Kinds of magnetic materials and its classifications, Classical Diamagnetism, Langavin Diamagnetism, Diamagnetic susceptibility.rn
10Para magnetism and its material. Classical Para magnetism, Quantum Para rnmagnetism, Atomic origin of magnetism (Hand‟s Rule), Magnetism in metals.
11Ferromagnetism, Molecular Field Theory, The Physical origin of molecular field theory.
12Antiferrimagnetism and magnetic domain “Antiferromagnetism,rnFerrimagnetism, Ferromagnetism in metals, Magnetic domains” .
13Introduction 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”.
15Electrodynamics of superconductivity and revision” Electrodynamics of rnSuperconductivity (Using Maxwell equations), Revision”.
16Final Exam.

Markets and Career

  • Generation, transmission, distribution and utilization of electrical power for public and private sectors to secure both continuous and emergency demands.
  • Electrical power feeding for civil and military marine and aviation utilities.
  • Electrical works in construction engineering.

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