GITAM, Department of Engineering Physics


2nd Semester Syllabus

 

I.  MODERN PHYSICS

Matter waves – Heisenberg’s uncertainity principle -  Schrodinger’s time independent wave equation – Physical significance of  wave function (y) – Application to a particle in a one dimensional box (infinite potential well) –Free electron theory of metals – Band theory of solids (qualitative) – Distinction between metals, insulators and semiconductors – Elementary concepts of Maxwell - Boltzmann, Bose - Einstein and Fermi – Dirac Statistics (No Derivation)

 

II. SUPERCONDUCTING  MATERIALS

 Introduction – BCS theory – Meissner effect -  Properties of superconductors  - Type-I and Type-II superconductors – High Tc superconductors - Applications.                                             

 

III. DIELECTRIC MATERIALS

Introduction, Fundamental definitions, Local field, Clausius- Mossotti  relation, different types of electric polarization (dipolar, ionic and electronic polarizations), frequency and temperature effects on polarization, dielectric loss, dielectric breakdown, determination of dielectric constant, properties and different types of insulating materials, ferroelectric materials, spontaneous polarization in BaTiO3, electrets.

 

IV. MAGNETIC MATERIALS

Introduction, fundamental definitions, different types of magnetic materials, Weiss theory of ferromagnetism, domain theory of ferromagnetism, hysteresis, Hard and Soft magnetic materials, ferrites – Microwave applications, magnetic bubbles.

 

V. SEMICONDUCTING  MATERIALS

Introduction, intrinsic and extrinsic semiconductors, carrier concentration in intrinsic semiconductors, carrier concentration in n type semiconductors, carrier concentration in p-type semiconductors, Hall effect and its applications -  variation of carrier concentration with temperature, conductivity of extrinsic semiconductor, P-N junction – forward bias – reverse bias –V-I characteristics of a p-n junction.

 

Text Books

  1. ‘Materials Science’. By Dr. M. Arumugam.

  2. ‘Solid state physics’. By S. O. Pillai

  3. ‘Solid state physics’. By R. L. Singhal.

  4. ‘Modern Physics’. By Arthur Baiser.