Course Details
Subject {L-T-P / C} : PH6005 : Experimental Techniques in Physics { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Prakash Nath Vishwakarma
Syllabus
Measurements & error analysis: Uncertainty of measurements, Types of errors, Experimental uncertainty of single measurement and repeated measurements, Standard deviation, Propagation of error, Significant figures, Data Analysis. [3-classes]
Diffraction & Scattering techniques: Diffraction of x-rays in crystals via Laue, rotating crystal and powder method, reciprocal lattice, miller indices, atomic form factor, geometric structure factor, systematic absences and analysis of simple patterns, intensity of diffraction lines in a powder pattern, peak widths, determination of lattice parameters, crystallite size and strain, diffraction of electrons and neutrons, benefit of neutron diffraction. Theory and practice of light scattering, LASER light scattering, Dynamic and Static light scattering, small angle neutron and x-ray scattering. [12-classes]
Vacuum and Low Temperature: Need of vacuum, Characteristics of vacuum, Gas flow, Vacuum Pumps, Vacuum Gauges, Vacuum systems, Thin film deposition under vacuum, film thickness measurement, Use of vacuum in cryogenics, Physical properties at low temperature: Electrical conductivity, thermal conductivity, thermal expansion, Specific heat capacity, magnetic properties. [9-classes]
Thermal Analysis: Introductions, Thermo gravimetric analysis (TGA), Differential thermal analysis (DTA), differential scanning calorimetry (DSC) and their applications. [4-classes]
Microscopic & Spectroscopic Techniques: Optical Microscopy, Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), Atomic force microscopy (AFM), Scanning tunneling microscopy (STM). Elemental analysis using EDX, XPS, SIMS, RBS, UV-Visible, Infrared and Raman spectroscopic Techniques. [8-classes]
Course Objectives
- To understand the different experimental techniques for material characterization
Course Outcomes
The experimental analysis of the characterization process can be done with the understanding in the class teaching
Essential Reading
- Michael E. Brown,, Introduction to Thermal Analysis: Techniques and Applications,, 2nd Edition, Springer (2007)
- Michael Sayer and Abhai Mansingh,, Measurement, Instrumentation and Experiment Design in Physics and Engineering,, Prentice Hall India Learning Private Limited 1st Edition (1999)
Supplementary Reading
- Benjamin Chu,, LASER Light scattering: Basic principle and Practice,, Academic Press Inc 2nd Revised edition (1991)
- P. J. Goodhew, J. Humphreys, R. Beanland,, Electron Microscopy and Analysis,, 3rd Edition, CRC Press (2000)