NPTEL : NOC:Solid State Physics (2021) (Physics)

Co-ordinators : Prof. Nirmal Ganguli


Lecture 1 - What is solid?

Lecture 2 - Bravais lattice

Lecture 3 - Indexing of crystal planes

Lecture 4 - Simple crystal structures

Lecture 5 - Diffraction of waves by crystals

Lecture 6 - Fourier analysis of diffraction

Lecture 7 - Diffraction condition

Lecture 8 - Laue equations and Ewald construction

Lecture 9 - Introduction to Brillouin zone

Lecture 10 - Brillouin zones for bcc and fcc lattice

Lecture 11 - Fourier analysis of the basis and structure factor

Lecture 12 - Atomic form factor

Lecture 13 - Van der Waals attraction

Lecture 14 - Repulsive interaction

Lecture 15 - Equilibrium lattice constant and cohesive energy

Lecture 16 - Ionic crystals

Lecture 17 - Evaluation of the Madelungconstant

Lecture 18 - Covalent crystals: Linearcombination of atomic orbitals

Lecture 19 - Electron tunneling in covalentbonds

Lecture 20 - Metallic bonds

Lecture 21 - The Drude theory of metals

Lecture 22 - Hall effect and magnetoresistance

Lecture 23 - AC electrical conductivity

Lecture 24 - Thermal conductivity

Lecture 25 - Introduction to Sommerfeld theory - I

Lecture 26 - Introduction to Sommerfeld theory - II

Lecture 27 - Electronic states at finite temperature

Lecture 28 - Fermi-Dirac distribution

Lecture 29 - Thermal properties of the free electron gas

Lecture 30 - The Sommerfeld theory for conduction in metals

Lecture 31 - Thermal conductivity

Lecture 32 - One dimensional chain of atoms

Lecture 33 - One dimensional chain of atoms

Lecture 34 - Periodic boundary condition

Lecture 35 - Energy levels in periodic array of quantum wells

Lecture 36 - Tunneling of electrons

Lecture 37 - Reflection and transmission amplitudes and coefficients

Lecture 38 - Transfer matrix for a rectangular barrier

Lecture 39 - Electron tunneling through a periodic potential

Lecture 40 - The tight-binding approximation

Lecture 41 - Tridiagonal matrices and continued fraction

Lecture 42 - Plane-wave basis for nearly free electrons

Lecture 43 - Nearly free electron approximation

Lecture 44 - Dynamical aspects of electrons in band theory

Lecture 45 - Semiconductor crystals

Lecture 46 - Effective mass

Lecture 47 - Carrier concentration

Lecture 48 - Mobility, impurity conductivity, and Fermi surface

Lecture 49 - Vibration of crystals with monatomic basis

Lecture 50 - Analyzing the dispersion relation

Lecture 51 - Phonons with diatomic basis

Lecture 52 - Quantization of elastic waves

Lecture 53 - Phonon heat capacity

Lecture 54 - Phonon density of states

Lecture 55 - Introduction to diamagnetism

Lecture 56 - Issues with the classical theory of diamagnetism

Lecture 57 - Quantum theory of diamagnetism

Lecture 58 - The quantum theory of paramagnetism

Lecture 59 - Rare earth atoms, Hund's rule

Lecture 60 - Crystal field splitting

Lecture 61 - Quenching of orbital angular momentum

Lecture 62 - Paramagnetic susceptibility of conduction electrons

Lecture 63 - Ferromagnetism

Lecture 64 - Antiferromagnetism and ferrimagnetism

Lecture 65 - Introduction to superconductivity

Lecture 66 - Thermodynamics of superconducting transition,London equation

Lecture 67 - BCS theory of superconductivity

Lecture 68 - Flux quantization in a superconducting ring

Lecture 69 - Single particle tunneling and Josephson effect

Lecture 70 - AC Josephson effect and microscopic quantum interference