Introduction to X-Rays, Bragg's Law, and Crystal Structure
Videos 1.1-1.6 provide an introduction to the basic ideas behind X-ray diffraction, accessible to those with a high school or undergraduate background in physics and algebra.
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1.1 - Introduction and Outline
Paul A. Heiney
Introduction to video series on X-ray scattering techniques, and outline of series organization. Time 5:59.
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1.2 - Interference and the Wave Nature of Light
Paul A. Heiney
The basic physics of waves and light, and interference, which provide a foundational background to understanding X-ray scattering. Time 5:36
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1.3 - Bragg's Law
Paul A. Heiney
Derivation of Bragg's Law for X-ray diffraction as arising from the interference of light scattered from planes of atoms. Time 6:24.
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1.4 - Crystal Structure
Paul A. Heiney
The relationship between macroscopic shape and atomic-level structure of crystals. Lattice types, space groups, basis. Time 5:51.
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1.5 - Some Properties of X-ray Radiation
Paul A. Heiney
X-ray wavelength, absorption, radiography. Time 2:44.
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1.6 - Introduction to Crystallography
Paul A. Heiney
Relationship between Bragg's Law and crystal structure. The general approach to crystallography. Single crystal crystallography, the Laue technique, powder diffraction. Time 7:38.