This course will enable the students to –
1. To equips the students with the theoretical and experimental knowledge about solids, solid solutions, liquids, alloys, disordered materials, introduction & synthesis of nanomaterials.
2. To prepares the students to take up research in Condensed Matter Physics.
Course outcomes (COs):
Course |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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PAPER CODE |
Paper Title |
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PHY 424(A)
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Condensed Matter Physics - II (Theory)
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After the completion of this course the student will be able to: CO119: understand the quantum mechanical behavior of metals, metallic interactions, pseudo potential formulation, exchange and correlation interactions CO120: get the basic knowledge of liquid metals- structure factor and radial distribution functions, its resistivity. CO121: define solid solution, its properties, phase transformations, binary metal alloy CO122: understanding of Disordered condensed matter with its specifications and the idea to amorphous semiconductors & hopping conduction. CO123: get the basic knowledge of nano materials, quantum dots, quantum wires, fullerenes and graphenes. CO124: get the idea of some useful experimental techniques of synthesis/deposition of nano-material. |
Approach in teaching: Interactive Lectures, Discussion, Tutorials, Demonstration, problem solving in tutorials
Learning activities for the students: Self learning assignments, Effective questions, Seminar presentation, solving numerical. Additional learning through online videos and MOOC courses |
Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations |
Metallic interactions; Kinetic energy; electrostatic; exchange and correlation; Pseudopotential formulation; local and non-local Pseudopotentials; The diffraction model; Factorization of matrix elements; structure factor; Form Factor; Total Energy of the metals; Free electron energy, Band Structure energy; Self consistent screening of a local pseudopotential; Dielectric screening function, Energy wave number Characteristic
(a)Liquid Metal and Alloys Liquid structure factor s(q); radial distribution function g(r); Relationship between s(q) and g(r); Ziman’s resistivity formula, the role of effective mass on resistivity, Binary liquid metal alloys; Atom-atom partial structure factors; Thermodynamical relations.
(b)Phase Transformation in Alloys Equilibrium transformation of first and second order, Phase rule, Equilibrium phase diagrams, Interpretation of Phase Diagrams; Substitutional solid solutions, Vegard's law, Interstial Solid Solutions, Hume-Rothery rules, Phase diagrams for binary alloys; Martensitic transitions.
Disorder in condensed matter- substitutional, positional and topographical disorder; Short and long-range order; Atomic correlation function and structural descriptions of glasses and liquids; Anderson model; mobility edge; Minimum Metallic Conductivity, Qualitative application of the idea to amorphous semiconductors and hopping conduction.
Free electron theory (qualitative idea), variation of density of states with energy, variation of density of state and band gap with size of crystal. Electron confinement in infinitely deep square well, confinement of two and one dimensional well, idea of quantum well structure, tunneling through potential barrier, quantum dots, quantum wires, introduction to fullerenes and graphenes
Different methods of preparation of nanomaterial, Sol-gel and chemical bath deposition method, effect of temperature on the size of the particles. Bottom up: cluster beam evaporation, ion beam deposition, top down: ball milling. DC and RF sputtering.