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Solid State Physics

Solid State Physics. Instructor: Prof. Amal Kumar Das, Department of Physics, IIT Kharagpur. This course will discuss the structure of solid materials and their different physical properties along with underlying physics. Firstly, this course will discuss about atom and from atom to how solid state structures are formed. Then it will discuss crystal symmetry, unit cells and crystal planes, real space and reciprocal space of crystal. It will discuss how crystal structures are determined experimentally using the X-ray diffraction. After that the course will discuss different properties of solids such as this thermal properties of solids, electrical properties of solids, magnetic properties of solids, and dielectric properties of solids. (from nptel.ac.in)

Lecture 59 - Magnetic Properties of Solids: Magnetic Moment


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Lecture 01 - Atom to Solid Structure
Lecture 02 - Atom to Solid Structure (cont.)
Lecture 03 - Structure of Solid: Classification of Solids based on the Atomic Arrangement
Lecture 04 - Structure of Solid: Concept of Space Lattice and Lattice Parameters
Lecture 05 - Crystal Structure: Bravais Lattice
Lecture 06 - Crystal Structure: Volume of Unit Cell and Number of Lattice Point per Unit Cell
Lecture 07 - Crystal Structure: Atomic Radius and Packing Fraction
Lecture 08 - Crystal Structure: Coordination Number
Lecture 09 - Crystal Structure: Crystal Planes and Miller Indices
Lecture 10 - Crystal Structure: Interplanar Spacing
Lecture 11 - Crystal Structure: Angle between Planes
Lecture 12 - Crystal Structure: Direction of Crystal Plane
Lecture 13 - Crystal Structure: Symmetry Operation in Crystal
Lecture 14 - Crystal Structure: Symmetry and Unit Cell
Lecture 15 - Real Crystal Structure - NaCl Structure
Lecture 16 - Real Crystal Structure - Diamond, HCP, ZnS Structure
Lecture 17 - Crystal Structure: Bonding in Solids
Lecture 18 - X-ray Diffraction from Crystal
Lecture 19 - X-ray Diffraction from Crystal: Bragg's Treatment
Lecture 20 - X-ray Diffraction from Crystal: Experimental Arrangement - Laue Method
Lecture 21 - X-ray Diffraction from Crystal: Experimental Arrangement - Laue Method (cont.)
Lecture 22 - X-ray Diffraction from Crystal: Experimental Arrangement - Rotating Crystal Method
Lecture 23 - X-ray Diffraction from Crystal: Experimental Arrangement - Powder Method
Lecture 24 - X-ray Diffraction from Crystal: Lattice Constant and Plane Indices Determination from Experimental Bragg Peaks
Lecture 25 - Reciprocal Lattice: Definition of Reciprocal Lattice Axes
Lecture 26 - Reciprocal Lattice: Reciprocal Vector
Lecture 27 - Application of Reciprocal Lattice
Lecture 28 - Bragg's Law in Reciprocal Lattice
Lecture 29 - Reciprocal Lattice: Brillouin Zone
Lecture 30 - Intensity of Bragg Diffraction
Lecture 31 - Intensity of Bragg Diffraction (cont.)
Lecture 32 - Electrical Properties of Metal
Lecture 33 - Electrical Properties of Metal: Free Electron Gas Model
Lecture 34 - Electrical Properties of Metal: Free Electron Gas Model (cont.)
Lecture 35 - Electrical Properties of Metal: Free Electron Gas Model and Quantum Theory
Lecture 36 - Electrical Properties of Metal: Free Electron Gas Model and Quantum Theory (cont.)
Lecture 37 - Electrical Properties of Metal: Fermi Free Electron Gas
Lecture 38 - Electrical Properties of Metal: Density of States of 3-Dimensional Electron Gas
Lecture 39 - Electrical Properties of Metal: Density of States of 3-Dimensional Electron Gas
Lecture 40 - Band Theory of Solids: Particle in a One-dimensional Lattice
Lecture 41 - Band Theory of Solids: Kronig-Penney Model
Lecture 42 - Band Theory of Solids: Kronig-Penney Model (cont.)
Lecture 43 - Band Theory of Solids: Band Gaps in the Kronig-Penney Model
Lecture 44 - Band Theory of Solids: Energy versus Wave Vector
Lecture 45 - Band Theory of Solids: E-K Relation
Lecture 46 - Band Theory of Solids: E-K Relation
Lecture 47 - Physics of Semiconductor: Intrinsic and Extrinsic
Lecture 48 - Physics of Semiconductor: Carrier Concentration and Fermi Level
Lecture 49 - Concentration of Carrier Density and Fermi Level in Semiconductor
Lecture 50 - Electrical Conduction
Lecture 51 - Electrical Conduction in Metal and Semiconductor
Lecture 52 - Experimental Procedure to Measure the Conductivity and Hall Voltage
Lecture 53 - Thermal Properties of Solids
Lecture 54 - Thermal Properties of Solids: Specific Heat of Solid
Lecture 55 - Thermal Properties of Solids: Specific Heat of Solid (cont.)
Lecture 56 - Thermal Properties of Solids: Specific Heat of Solid (cont.)
Lecture 57 - Thermal Properties of Solids: Specific Heat of Solid (cont.)
Lecture 58 - Magnetic Properties of Solids
Lecture 59 - Magnetic Properties of Solids: Magnetic Moment
Lecture 60 - Magnetic Properties of Solids: Diamagnetism, Induced Magnetic Moment
Lecture 61 - Magnetic Properties of Solids: Langevin Classical Theory for Paramagnetism
Lecture 62 - Magnetic Properties of Solids: Quantum Theory for Paramagnetism
Lecture 63 - Magnetic Properties of Solids: Paramagnetism: Quantum Theory
Lecture 64 - Magnetic Properties of Solids: Paramagnetism: Orbital Quenching
Lecture 65 - Magnetic Properties of Solids: Paramagnetism in Metal
Lecture 66 - Magnetic Properties of Solids: Ferromagnetism: Weiss Model
Lecture 67 - Magnetic Properties of Solids: Weiss Model of Ferromagnetism
Lecture 68 - Magnetic Properties of Solids: Heisenberg Model of Ferromagnetism
Lecture 69 - Magnetic Properties of Solids: Direct and Indirect Exchange Interaction
Lecture 70 - Magnetic Properties of Solids: Ferromagnetism and Antiferromagnetism
Lecture 71 - Magnetic Properties of Solids: Ferromagnetic Domains and Ferromagnetism
Lecture 72 - Dielectric Property of Solids
Lecture 73 - Dielectric Property of Solids (cont.)
Lecture 74 - Dielectric Property of Solids: Dipole Moment/ Polarizability
Lecture 75 - Superconductivity