(Powder X Ray Crystallography)

См. также в других словарях:

• X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …   Wikipedia

• Powder diffraction — is a scientific technique using X ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials. [B.D. Cullity Elements of X ray Diffraction Addison Wesley Mass. 1978] Explanation Ideally …   Wikipedia

• Crystallography — For the book of poetry, see Crystallography (book). A crystalline solid: atomic resolution image of strontium titanate. Brighter atoms are Sr and darker ones are Ti. Crystallography is the experimental science of the arrangement of atoms in… …   Wikipedia

• powder method — noun a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X rays; the pattern of diffracted rings is used for identification • Syn: ↑powder photography,… …   Useful english dictionary

• powder method — Crystall. a method of x ray determination of crystal structure using a powdered sample. Cf. x ray crystallography. * * * …   Universalium

• Powder diffraction file — Pour les articles homonymes, voir PDF (homonymie). Le Powder diffraction file (PDF, littéralement « fichier de diffraction de poudre ») est une base de données regroupant des phases (produits chimiques artificiels ou naturels… …   Wikipédia en Français

• Electron crystallography — is a method to determine the arrangement of atoms in solids using a transmission electron microscope (TEM). Contents 1 Comparison with X ray crystallography 2 Radiation damage 3 Protein structures determined by electron crystallography …   Wikipedia

• Nuclear magnetic resonance crystallography — (NMR crystallography) is a method which utilizes primarily NMR spectroscopy to determine the structure of solid materials on the atomic scale. Thus, solid state NMR spectroscopy would be used primarily, possibly supplemented by quantum chemistry… …   Wikipedia

• X-ray scattering techniques — are a family of non destructive analytical techniques which reveal information about the crystallographic structure, chemical composition, and physical properties of materials and thin films. These techniques are based on observing the scattered… …   Wikipedia

• X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …   Wikipedia

• Wide angle X-ray scattering — (WAXS) or Wide angle X ray diffraction (WAXD) is an X ray diffraction technique that is often used to determine the crystalline structure of polymers. This technique specifically refers to the analysis of Bragg Peaks scattered to wide angles,… …   Wikipedia