photoelectron spectra

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• Ultraviolet photoelectron spectroscopy — (UPS) refers to the measurement of kinetic energy spectra of photoelectrons emitted by ultraviolet photons, to determine molecular energy levels in the valence region.If Einstein’s photoelectric law is applied to a free molecule, the kinetic… …   Wikipedia

• X-ray photoelectron spectroscopy — [ right|thumb|350px|Basic components of a monochromatic XPS system.] X ray photoelectron spectroscopy (XPS) is a quantitative spectroscopic technique that measures the elemental composition, empirical formula, chemical state and electronic state… …   Wikipedia

• Orbital hybridisation — Four sp3 orbitals. Three sp2 orbitals. In …   Wikipedia

• Surface core level shift — A surface core level shift (SCS) is a kind of core level shift that often emerges in x ray photoelectron spectroscopy spectra of surface atoms.Because surface atoms have different chemical environments from bulk atoms, small shifts of binding… …   Wikipedia

• Molecular orbital diagram — A molecular orbital diagram, or MO diagram for short, is a qualitative descriptive tool explaining chemical bonding in molecules in terms of molecular orbital theory in general and the Linear combination of atomic orbitals molecular orbital… …   Wikipedia

• Ingolf Volker Hertel — (* 9. Juni 1941 in Dresden) ist ein deutscher Physiker und Hochschullehrer. Inhaltsverzeichnis 1 Leben und Wirken 2 Auszeichnungen und Ehrungen 3 Publikationen 4 …   Deutsch Wikipedia

• Uncle Tom Cobley — The phrase Uncle Tom Cobley and all is used in British English as a humorous or whimsical way of saying et al , often to express exasperation at the large number of people in a list. The phrase comes from a Devon folk song Widecombe Fair ,… …   Wikipedia

• Ward Plummer — Infobox Scientist image width = 150px name = E. Ward Plummer birth date = Birth date and age|1940|10|30|mf=y death date = death place = residence = U.S. nationality = American field = surface physics work institution = University of Tennessee,… …   Wikipedia

• Electron spectrometer — In an Electron spectrometer, an incoming beam of electrons is bent with electric or magnetic fields. As higher energy electrons will be bent less by the beam, this produces a spatially distributed range of energies. Electron spectrometers are… …   Wikipedia

• Sakurai reaction — The Sakurai reaction (also known as the Hosomi Sakurai reaction) is the chemical reaction of carbon electrophiles (such as a ketone shown here) with allylic silanes catalyzed by strong Lewis acids. [Hosomi, A.; Sakurai, H. Tetrahedron Lett. 1976 …   Wikipedia

• Hydrogen disulfide — Hydrogen disulfide …   Wikipedia