Ewald's sphere — The Ewald sphere is a geometric construct used in electron, neutron, and X ray crystallography which neatly demonstrates the relationship between: :* the wavelength of the incident and diffracted x ray beams, :* the diffraction angle for a given… … Wikipedia
sphère d’Ewald — Evaldo sfera statusas T sritis fizika atitikmenys: angl. Ewald sphere vok. Ewald Kugel, f; Ewaldsche Kugel, f rus. сфера отражений, f pranc. sphère d’Ewald, f … Fizikos terminų žodynas
Ewald-Kugel — Evaldo sfera statusas T sritis fizika atitikmenys: angl. Ewald sphere vok. Ewald Kugel, f; Ewaldsche Kugel, f rus. сфера отражений, f pranc. sphère d’Ewald, f … Fizikos terminų žodynas
Ewald — may refer to any of the following people and concepts:*People **Either of the two saints named Ewald, martyrs in Old Saxony about 695. **Johannes Ewald, a Danish dramatist and poet. **Paul Peter Ewald, a pioneer of X ray diffraction and… … Wikipedia
Sphère d'Ewald — La sphère d Ewald est une construction géométrique utilisée dans la description théorique de la diffraction par un solide. Dans une géométrie de diffraction donnée, elle permet de déterminer graphiquement les points du réseau réciproque, c est à… … Wikipédia en Français
Ewald, Paul Peter — ▪ German physicist born Jan. 23, 1888, Berlin, Ger. died Aug. 22, 1985, Ithaca, N.Y., U.S. German physicist and crystallographer whose theory of X ray interference by crystals was the first detailed, rigorous theoretical explanation of the… … Universalium
Paul Peter Ewald — (January 23, 1888 in Berlin, Germany ndash; August 22, 1985 in Ithaca, New York) was a U.S. (German born) crystallographer and physicist a pioneer of X ray diffraction methods. EducationEwald received his early education in the classics at the… … Wikipedia
Paul Peter Ewald — (23 janvier 1888 à Berlin 22 août 1985 à Ithaca, États Unis) était un cristallographe et un physicien allemand et américain. Il fut un pionnier des méhodes de diffraction de rayons X. Il était également l éponyme de la construction d Ewald et de… … Wikipédia en Français
Reflection high energy electron diffraction — (RHEED) is a technique used to characterize the surface of crystalline materials. RHEED systems gather information only from the surface layer of the sample, which distinguishes RHEED from other materials characterization methods that rely also… … Wikipedia
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