Solid State Physics (Theory)

Paper Code: 
CPHY 612
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

This course will enable the students to

To familiarize the students with the basics of condensed matter physics which form the basic for further studies in condensed matter physics. The students 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. The students acquire abilities to undergo research or involve in business related to material science.

 

Course Outcomes (COs):

 

Course

Learning outcome (at course level)

Learning and teaching strategies

Assessment Strategies

Paper Code

Paper Title

CPHY 612

Solid State Physics

(Theory)

 

The students will be able to –

 

CO109: Elucidate the concept of lattice, crystals and symmetry operations.

 

CO110: Knowledge of lattice vibrations, phonons and in depth of knowledge of Einstein and Debye theory of specific heat of solids.

 

CO111: Explain the origin of dia-, para-, and ferro-magnetic properties of solids.

 

CO112: perform experimental techniques to measure electrical conductivity .and the hall set up to determine the hall coefficient of a semiconductor.

 

CO113: Understand the basics of phase transitions and the preliminary concept and experiments related to superconductivity in solid.

 

CO114: Describe the main features of the physics of electrons in solids: origin of energy bands, and their influence electronic behavior.

 

 

 

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: 
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: 
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: 
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: 
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: 
V
Elementary band theory: Kronig Penny model. Band Gaps. Conductors, Semiconductors and insulators. P and N type Semiconductors. Conductivity of Semiconductors, mobility, Hall Effect, Hall coefficient. 
Superconductivity: 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 
 
Econtent:
 
Academic Year: 
2023-2024
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