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PVD Coatings

Your guide to PVD technology, theory and applications

X-Ray Diffraction

Posted by mark00 On March - 28 - 2010

X-rays are electromagnetic radiation of wavelength about 1 Å (10-10 m), which is about the same size as an atom. X-rays are in the frequency range of the electromagnetic spectrum between gamma-rays and the ultraviolet. X-rays were discovered in 1895 and enabled scientists to examine the crystalline structure of surfaces at the atomic level.

X-ray diffraction is practically used for the characterization of crystalline materials and the determination of their structure. Each crystalline solid has a unique characteristic X-ray powder pattern which can be used to identify the elements and their structure.

X-ray diffraction is one of the most important characterization tools used in solid state chemistry amd materials science.