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Course Detail

Course Name Electrical Engineering Materials
Course Code 19PHY342
Program B. Tech. in Computer and Communication Engineering
Year Taught 2019

Syllabus

Unit 1

Conducting materials: The nature of chemical bond, crystal structure Ohm’s law and the relaxation time, collision time, electron scattering and resistivity of metals, heat developed in a current carrying conductor, thermal conductivity of metals, superconductivity.

Semiconducting materials: Classifying materials as semiconductors, chemical bonds in Si and Ge and it’s consequences, density of carriers in intrinsic semiconductors, conductivity of intrinsic semiconductors, carrier densities in n type semiconductors, n type semiconductors, Hall effect and carrier density.

Unit 2

Magnetic materials: Classification of magnetic materials, diamagnetism, origin of permanent, magnetic dipoles in matter, paramagnetic spin systems, spontaneous magnetization and Curie Weiss law, ferromagnetic domains and coercive force, anti ferromagnetic materials, ferrites and it’s applications.

Unit 3

Dielectric materials: Static dielectric constant, polarization and dielectric constant, internal field in solids and liquids, spontaneous polarization, piezoelectricity.

PN junction: Drift currents and diffusion currents, continuity equation for minority carriers, quantitative treatment of the p-n junction rectifier, the n-p-n transistor.

Textbook

  • A J Decker, “Electrical Engineering materials”, PHI, New Delhi, 1957.

References

Reference(s)

  • A J Decker, “Solid State Physics”, Prentice Hall, Englewood Cliffs, N J 1957.
  • C Kittel, “Introduction to solid state Physics”, Wieley, New York, 1956 (2nd edition).
  • Allison, Electronic Engineering materials and Devices, Tata Mc Graw Hill
  • F K Richtmyer E H Kennard, John N Copper, “Modern Physics”, Tata Mc Graw Hill, 1995 (5th edition).

Evaluation Pattern

Assessment Internal External
Periodical 1 (P1) 15
Periodical 2 (P2) 15
*Continuous Assessment (CA) 20
End Semester 50
*CA – Can be Quizzes, Assignment, Projects, and Reports.

Outcomes

Course Outcomes

  • CO1: To understand the nature of interaction between atoms in crystalline solid materials that determines their dielectric, magnetic and electrical properties.
  • CO2: Analyze the relation between the macroscopic dielectric constant and the atomic structure of an insulator.
  • CO3: Fundamental concepts of magnetic fields required to illustrate the magnetic dipoles. This forms the basis to understand the magnetic properties of dia, para, ferro, antiferro and ferri magnetic materials.
  • CO4: Fundamentals concerned with conduction mechanism in metals and superconductors.
  • CO5: Understand the basics for classification of materials based on its conductivity, nature of chemical bonds in Si and Ge, carrier density, energy band structure and conduction mechanism in intrinsic and extrinsic semiconductors.

CO – PO Mapping

PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 PO12 PSO1 PSO2
CO1 1 1 1
CO2 2 2 2 1
CO3 2 2 2 2
CO4 2 2 2 2
CO5 2 2 2 2 1

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