Solid State Physics (Theory)

Paper Code: 
24CPHY612
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
Course Objectives: 
This course will enable the students to -
• familiarize the students with the basics of condensed matter physics which form the basic for further studies in condensed matter physics. 
• get acquainted with the crystal structure, properties of solids, superconductivity and magnetism which strengthens the theoretical base for research in contemporary fields of condensed matter physics like imperfect solids and nano particle physics. 
• acquire abilities to undergo research or involve in business related to material science. 
 
Course Outcomes: 

Course Outcomes (COs):

Course

Learning outcome (at course level)

Learning and teaching strategies

Assessment Strategies

Course Code

Course Title

24CPHY612

Solid State Physics

(Theory)

 

CO124: Identify and differentiate between amorphous and crystalline materials based on their structural characteristics.

CO125: Compare and contrast acoustical and optical phonons and their contributions to specific heat in solids.

CO126: Interpret Curie's law, Weiss's theory of ferromagnetism, and discuss B-H curves, hysteresis, and energy loss in magnetic materials.

CO127: Analyze the depolarization field and its effects on dielectric properties.

CO128: Describe P and N-type semiconductors and their conductivity, mobility, and the Hall effect and explain superconductivity, including critical temperature, critical magnetic field, and the Meissner effect.

CO129: Contribute effectively in Course specific interaction.

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, Power point presentation,  Problem Solving in tutorials

 

Learning activities for the students:

Self learning assignments, Effective questions, Seminar presentation, Solving numericals

Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations

 

 

 

 

12.00
Unit I: 
Crystal Structure:

Solids: Amorphous and Crystalline Materials. Lattice Translation Vectors. Lattice with a Basis. Unit Cell. Miller Indices. Reciprocal Lattice. Types of Lattices. Brillouin Zones. Diffraction of X-rays by Crystals. Bragg’s Law. Atomic and Geometrical Factor.

11.00
Unit II: 
Elementary Lattice Dynamics:
Lattice Vibrations and Phonons: Linear Monoatomic and Diatomic Chains. Acoustical and Optical Phonons. Qualitative Description of the Phonon Spectrum in Solids. Dulong and Petit’s Law, Einstein and Debye theories of specific heat of solids. T3 law.
 
13.00
Unit III: 
Magnetic Properties of Matter:
Dia-, Para-, Ferri- and Ferromagnetic Materials. Classical Langevin Theory of dia – and Paramagnetic Domains. Quantum Mechanical Treatment of Paramagnetism. Curie’s law, Weiss’s Theory of Ferromagnetism and Ferromagnetic Domains. Discussion of B-H Curve. Hysteresis and Energy Loss.
 
12.00
Unit IV: 
Dielectric Properties of Materials:

Polarization. Local Electric Field at an Atom. Depolarization Field. Electric Susceptibility. Polarizability. Clausius Mosotti Equation. Classical Theory of Electric Polarizability.Complex Dielectric Constant. Optical Phenomena. Application: Plasma Oscillations, Plasma Frequency, Plasmons.

12.00
Unit V: 
Elementary band theory and Superconductivity:
Kronig Penny model. Band Gaps. Conductors, Semiconductors and insulators. P and N type Semiconductors. Conductivity of Semiconductors, mobility, Hall Effect, Hall coefficient. 
Experimental Results. Critical Temperature. Critical magnetic field. Meissner effect. Type I and type II Superconductors.
 
Essential Readings: 
• Introduction to Solid State Physics, Charles Kittel, 8th Ed., 2004, Wiley India Pvt. Ltd. 
• Elements of Solid State Physics, J.P. Srivastava, 2nd Ed., 2006, Prentice-Hall of India 
• Introduction to Solids, Leonid V. Azaroff, 2004, Tata Mc-Graw Hill 
 
References: 
• Solid State Physics, Neil W. Ashcroft and N. David Mermin, 1976, Cengage Learning 
 
• Solid State Physics, Rita John, 2014, McGraw Hill 
 
• Solid-state Physics, H. Ibach and H Luth, 2009, Springer 
 
• Elementary Solid State Physics, 1/e M. Ali Omar, 1999, Pearson India 
 
• Solid State Physics, M.A. Wahab, 2011, Narosa Publications 
 
E-content:
 
Academic Year: 
2024-2025
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