PPT-X-ray Diffraction

Guanghui Zhu Instrument Report Contents Diffraction Mechanism C onstruction of the Diffractometer Applications of XRD Data A nalysis and Explanation 2D XRD XRD Simulation Diffraction . Textbook sections 28-4 – 28-6. Physics 1161:. . . Lecture 21. Recall. Interference . (at least 2 coherent waves). Constructive (full wavelength difference). Destructive (½ wavelength difference). By Cade Grigsby. 1. What can X-ray diffraction tell us?. Structure. Bonds. Length. Type. Arrangement. Geometry of crystal. Picture. Electron density map. Diffraction. Angle. Intensity. 2. From X-Rays to Structure. Chapter. 36. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 36-1. Single-Slit Diffraction. 36.01 . Describe the diffraction of light waves by a narrow opening and an edge, and also describe the resulting interference pattern.. deposition . activities . . of . the . crystallographic . community . .  . John R . Helliwell. and Brian McMahon. This Session . Includes several major databases encompassing many fields of the . Grisel. Rivera Batista. Science Undergraduate Laboratory Internship Program. August 12, 2010.. Advantages of AXRD. Sensitive to:. N. eighboring elements in the periodic table.. Specific crystallographic phase.. Jonathan Cowen. Swagelok . Center for the Surface Analysis of Materials. Case School of Engineering. Case Western Reserve University. . October 27, 2014. . . Outline. X-ray Diffraction (XRD). History and background. History. 1895. Wilhelm Conrad R. ӧ. ntgen. discovered . X-rays. 1905 . Albert Einstein introduces the concept of photons (concept not accepted until 1922). 1913 . Max von . Laue, . Walter Friedrich . Introduction I. History. 1895. Wilhelm Conrad R. ӧ. ntgen. discovered . X-rays. 1905 . Albert Einstein introduces the concept of photons (concept not accepted until 1922). 1913 . Max von . Instrument Report:. Contents. Diffraction Mechanism. C. onstruction . of . the . Diffractometer. Applications . of . XRD. Data . A. nalysis . and . Explanation. 2D XRD. XRD Simulation. Diffraction . Mechanism. Data Analysis. Scott A Speakman, Ph.D.. Center for Materials Science and Engineering at MIT. speakman@mit.edu. http://prism.mit.edu/xray. . An X-ray diffraction pattern is a plot of the intensity of X-rays scattered at different angles . Sitan. Chen. Ankur. . Moitra. MIT. MIT. Main Takeaway. : Insights from unsupervised learning can shed new light on fundamental problems in optics.. OUTLINE. Introduction. Fraunhofer. Diffraction. Debate about Diffraction Limit. Michael Fowler, . UVa. Today’s Topics. Multi-slit interference. The diffraction grating: spectra. Waves and particles, more diffraction. Radio astronomy. Light Intensity Pattern from Two Slits. We have two equal-strength rays, phase shifted by. . CD/DVD drive. Image top. : . http://en.wikipedia.org/wiki/File:Dismdvd.. jpg. Image bottom: . http://. commons.wikimedia.org. /wiki/. File:DVD_querschnitt.svg. (. Creative Commons license). How does a CD/DVD store data?. X-ray. What . is . X-ray. . Diffraction?. Diffraction occurs when each object in a periodic . array scatters . radiation . coherently, . producing concerted constructive interference . at . specific.