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Updated: Jul 12, 2026

High Pressure Single Crystal Diffraction at PX^2
11:32

High Pressure Single Crystal Diffraction at PX^2

Published on: January 16, 2017

通过使用康奈尔同步子源来确定大巴压力的晶体结构

Y K Vohra, K E Brister, S T Weir

    Science (New York, N.Y.)
    |March 7, 1986
    PubMed
    概括

    高压X射线衍射揭示了类化物中的新晶体相变. 化转化为四角形和正角形相,而化在极端压力下转化为B2相.

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    Determination of Crystal Structures01:29

    Determination of Crystal Structures

    In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...
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    X-ray Crystallography

    The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
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    Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...