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Home > SAS > Physics > X-Ray Scattering > X-Ray Diffraction Techniques

X-Ray Scattering Lecture Series
 

X-Ray Diffraction Techniques

Videos 4.1-4.4 present some important special cases of X-ray scattering: protein crystallography, powder diffraction, and diffraction from smectic or polymer lamellar or columnar phases. These videos are independently accessible without viewing those in previous sections.

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  • 4.1 - Protein Crystallography by Paul A. Heiney

    4.1 - Protein Crystallography

    Paul A. Heiney

    Review of crystallography. Role of crystallography in modern biology. Outline of steps and process in protein crystallography as an important special case of single-crystal crystallography. Time 7:03.

  • 4.2 - Powder Diffraction by Paul A. Heiney

    4.2 - Powder Diffraction

    Paul A. Heiney

    Challenges and advantages of measuring samples that consist of many microscopic domains. Steps in a powder diffraction measurement. Example of a classic measurement in alkali-doped C60. Time 7:20.

  • 4.3 - Smectic Liquid Crystals and Lamellar Polymers by Paul A. Heiney

    4.3 - Smectic Liquid Crystals and Lamellar Polymers

    Paul A. Heiney

    General features of layered soft materials such as smectic liquid crystals and lamellar polymers. Identification of lamellar phases. What you can learn from peak intensities. Time 4:53.

  • 4.4 - Hexagonal Columnar Arrays by Paul A. Heiney

    4.4 - Hexagonal Columnar Arrays

    Paul A. Heiney

    Scattering from columnar liquid crystals and hexagonal copolymers. Hexagonal lattice and reciprocal lattice. Dendritic liquid crystals. Example of electron density reconstruction using Bessel functions. Time 5:24.

 
 
 

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