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A powder X-ray diffractometer in motion. X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in specific directions.
There are several types of X-ray diffractometer, depending on the research field (material sciences, powder diffraction, life sciences, structural biology, etc.) and the experimental environment, if it is a laboratory with its home X-ray source or a Synchrotron. In laboratory, diffractometers are usually an "all in one" equipment, including the ...
X-ray diffraction is a generic term for phenomena associated with changes in the direction of X-ray beams due to interactions with the electrons around atoms. It occurs due to elastic scattering , when there is no change in the energy of the waves.
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Rigaku manufactures and supplies scientific instrumentation to academia, industry and trade. These include X-ray diffractometers, single crystal diffractometers, X-ray Imagers, X-ray fluorescence spectrometers (both Energy Dispersive and Wavelength Dispersive varieties), thermal analysis equipment, Handheld Raman and LIBS analyzers and X-ray and EUV optics, X-ray sources and X-ray detectors.
X-ray standing waves, another X-ray variant where the intensity decay into a sample from diffraction is used to analyze chemistry. [ 4 ] Grazing-incidence small-angle scattering (GISAS) a hybrid approach using small scattering (diffraction) angles with X-rays or neutrons.
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Anode X-ray sources have been successfully used to study gold (=) for example. [4] When doing X-ray measurements of a surface, the sample is held in Ultra-High Vacuum and the X-rays pass into and out of the UHV chamber through Beryllium windows. There are 2 approaches to chamber and diffractometer design that are in use.