X-ray scattering techniques | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-01-14

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/X-ray_scattering_techniques


00:01:15 1 Scattering techniques
00:01:25 1.1 Elastic scattering
00:02:19 1.2 Inelastic X-ray scattering (IXS)



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SUMMARY
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X-ray scattering techniques are a family of non-destructive analytical techniques which reveal information about the crystal structure, chemical composition, and physical properties of materials and thin films. These techniques are based on observing the scattered intensity of an X-ray beam hitting a sample as a function of incident and scattered angle, polarization, and wavelength or energy.
Note that X-ray diffraction is now often considered a sub-set of X-ray scattering, where the scattering is elastic and the scattering object is crystalline, so that the resulting pattern contains sharp spots analyzed by X-ray crystallography (as in the Figure). However, both scattering and diffraction are related general phenomena and the distinction has not always existed.  Thus Guinier's classic text from 1963 is titled "X-ray diffraction in Crystals, Imperfect Crystals and Amorphous Bodies" so 'diffraction' was clearly not restricted to crystals at that time.