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X-Ray Crystallography and Diffraction

X-Ray Crystallography and Diffraction. Instructor: Prof. Ranjit Kumar Ray, Department of Materials Science and Engineering, IIEST Shibpur. The properties of any crystalline material are very much functions of its crystal structure and internal arrangement of atoms. X-ray diffraction is an elegant method to determine crystal structure and related parameters. This course provides a glimpse of how X-ray diffraction can be used to solve various crystallographic problems of both single and polycrystalline materials, starting from an elementary level. (from nptel.ac.in)

Lecture 29 - Stress Analysis by X-rays

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Lecture 01 - Geometry of Crystals

Lecture 02 - Geometry of Crystals (cont.)

Tutorial 01 - Problems on Geometry of Crystals

Lecture 03 - Reciprocal Lattice

Lecture 04 - Stereographic Projection

Tutorial 02 - Problems on Stereographic Projections, Point Groups and Space Groups

Lecture 05 - Point Groups and Space Groups

Lecture 06 - Point Groups and Space Groups (cont.)

Lecture 07 - Point Groups and Space Groups (cont.)

Tutorial 03 - Problems on X-ray Production

Lecture 08 - Basics of X-rays

Lecture 09 - Production and Detection of X-rays

Lecture 10 - Production and Detection of X-rays (cont.)

Lecture 11 - Principles of X-ray Diffraction

Lecture 12 - X-ray Diffraction Methods

Lecture 13 - Debye Scherrer Camera

Tutorial 04 - Problems on Extinction of Peaks for Some Interplanar Spacings

Lecture 14 - Diffractometer Measurements

Lecture 15 - Intensity of Diffracted Beams

Lecture 16 - Intensity of Diffracted Beams (cont.)

Lecture 17 - Determination of Crystal Structure

Lecture 18 - Precise Lattice Parameter Determination

Tutorial 05 - XRD (X-ray Powder Diffraction) - Lab Demonstration

Tutorial 06 - Discussion based on Forum Queries

Lecture 19 - Phase Diagram Determination

Lecture 20 - Ordered Disordered Transformation

Lecture 21 - Ordered Disordered Transformation (cont.)

Lecture 22 - Qualitative Phase Analysis

Lecture 23 - Quantitative Phase Analysis

Tutorial 07 - Precise Lattice Parameter Determination

Lecture 24 - Chemical Analysis by X-ray Fluorescence

Lecture 25 - Chemical Analysis by X-ray Absorption

Tutorial 08 - Effect of Crystallite Size on Diffracted X-ray Intensity

Lecture 26 - Texture Determination by XRD (X-ray Powder Diffraction)

Lecture 27 - Particle Size Determination by XRD

Tutorial 09 - Examples using Scherrer Formula for Grain Size Calculations

Lecture 28 - Determination of Single Crystal Orientation by X-rays

Lecture 29 - Stress Analysis by X-rays

Tutorial 10 - Factors Contributing to Peak Broadening

Tutorial 11 - Residual Stress Measurement by X-rays