High-throughput Toroidal Grating Beamline for Photoelectron Spectroscopy at CAMD

A 5 meter toroidal grating (5m-TGM) beamline has been commissioned to deliver 28 mrad of bending magnet radiation to an ultrahigh vacuum endstation chamber to facilitate angle resolved photoelectron spectroscopy. The 5m-TGM beamline is equipped with Au-coated gratings with 300, 600 and 1200 lines/mm...

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Detalles Bibliográficos
Autores principales: Kizilkaya, O, Jiles, R W, Patterson, M C, Thibodeaux, C A, Poliakoff, E D, Sprunger, P T, Kurtz, R L, Morikawa, E
Formato: Online Artículo Texto
Lenguaje:English
Publicado: 2014
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4851341/
https://www.ncbi.nlm.nih.gov/pubmed/27134636
http://dx.doi.org/10.1088/1742-6596/493/1/012024
Descripción
Sumario:A 5 meter toroidal grating (5m-TGM) beamline has been commissioned to deliver 28 mrad of bending magnet radiation to an ultrahigh vacuum endstation chamber to facilitate angle resolved photoelectron spectroscopy. The 5m-TGM beamline is equipped with Au-coated gratings with 300, 600 and 1200 lines/mm providing monochromatized synchrotron radiation in the energy ranges 25-70 eV, 50–120 eV and 100–240 eV, respectively. The beamline delivers excellent flux (~10(14)-10(17) photons/sec/100mA) and a combined energy resolution of 189 meV for the beamline (at 1.0 mm slit opening) and HA-50 hemispherical analyzer was obtained at the Fermi level of polycrystalline gold crystal. Our preliminary photoelectron spectroscopy results of phenol adsorption on TiO(2) (110) surface reveals the metal ion (Ti) oxidation.

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