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Last updated:

September 25, 2023

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FREE

This course includes:

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Description

Electron Diffraction and Imaging. Instructor: Prof. Sundararaman M, Department of Metallurgical and Materials Engineering, IIT Madras.

This course discusses topics in electron diffraction and imaging: Crystal structure, Symmetry, Reciprocal space, Different type of projections (polar and stereographic), Electron microscope (Properties of waves, Wave nature of electron, de Broglie equation, electron optics, lens and lens defects, Components-source to detector), Fundamentals of diffraction, Computation of intensity of diffraction patterns, Different types of diffraction (Selected area, Kikuchi, Convergent Beam and nano-diffraction), Contrast theory (Kinematical and dynamical theory), Imaging of different types of defects (zero, one, two and three dimensional defects), Phase contrast microscopy, Basics of electron crystallography (combining diffraction and High resolution transmission electron microscopy), Brief Introduction to recent techniques in electron microscopy (Holography, Scanning TEM, Z- contrast microscopy, Orientation Microscopy, etc). (from nptel.ac.in)

Course Curriculum

  • Lecture 01 – 1D, 2D, 3D Lattice Unlimited
  • Lecture 02 – Stereographic Projection Unlimited
  • Lecture 03 – Stereographic Projection (cont.) Unlimited
  • Lecture 04 – Symmetry in 1D Crystals Unlimited
  • Lecture 05 – Symmetry in 2D Crystals Unlimited
  • Lecture 06 – Symmetry in 3D Crystals Unlimited
  • Lecture 07 – Understanding IUCr Tables Unlimited
  • Lecture 08 – Symmetry in 3D Crystals Unlimited
  • Lecture 09 – Reciprocal Lattice Unlimited
  • Tutorial 01 – Directions Planes and Zone Axes Unlimited
  • Tutorial 02 – Interplanar Distances and Angles Unlimited
  • Lecture 10 – Diffraction Unlimited
  • Lecture 11 – Diffraction (cont.) Unlimited
  • Lecture 12 – Diffraction: Structure and Shape Factor Unlimited
  • Tutorial 03 – Transformation of Indices Unlimited
  • Lecture 13 – Microscope Unlimited
  • Lecture 14 – Microscope (cont.) Unlimited
  • Lecture 15 – Kikuchi Diffraction Unlimited
  • Lecture 16 – Double Diffraction and CBED (Convergent-Beam Electron Diffraction) Unlimited
  • Lecture 17 – CBED and Precession Electron Diffraction Unlimited
  • Lecture 18 – Indexing Diffraction Pattern Unlimited
  • Tutorial 04 – Correlation of Diffraction Spots to Microstructure Unlimited
  • Tutorial 05 – 3-Index to 4-Index System Unlimited
  • Lecture 19 – Kinematical and Dynamical Theory of Diffraction and Imaging Unlimited
  • Lecture 20 – Contrast from Planar Defects Unlimited
  • Lecture 21 – Contrast from Strain Fields Unlimited
  • Lecture 22 – Atomic Scattering Factor Unlimited
  • Lecture 23 – Coherence Unlimited
  • Lecture 24 – Lens Aberrations Unlimited
  • Lecture 25 – Phase Contrast Microscopy Unlimited
  • Lecture 26 – Phase Contrast Microscopy (cont.) Unlimited
  • Lecture 27 – Phase Contrast Microscopy (cont.) Unlimited
  • Lecture 28 – STEM (Scanning Transmission Electron Microscope) Unlimited
  • Lecture 29 – Electron Energy Loss Spectroscopy and Energy-Dispersive Spectroscopy Unlimited
  • Lecture 30 – Electron Tomography, Lorentz Microscopy, Off-axis Electron Holography Unlimited
  • Lecture 31 – Energy-Dispersive Spectroscopy Unlimited
  • Lecture 32 – Revision Unlimited
  • Lecture 33 – Revision (cont.) Unlimited
  • Lecture 34 – Revision of Recent Trends in Microscopy Unlimited
  • Lecture 35 – Crystallography Revision Unlimited

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