NSLS (National Synchrotron Light Source) X-19A beamline performance for x-ray absorption measurements

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Characterization of the X-19A beamline at the National Synchrotron Light Source (NSLS) is described. The beamline is designed for high resolution x-ray absorption spectroscopy over a wide energy range. All of the beamline optical components are compatible with ultrahigh vacuum (UHV) operation. This permits measurements to be made in a window-less mode, thereby facilitating lower energy (<4 KeV) studies. To upgrade the beamline performance, several possible improvements in instrumentation and practice are discussed to increase photon statistics with an optimum energy resolution, while decreasing the harmonic contamination and noise level. A special effort has been made to improve the stability ... continued below

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Pages: (12 p)

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Yang, C.Y.; Penner-Hahn, J.E.; Stefan, P.M. (Michigan Univ., Ann Arbor, MI (USA). Dept. of Chemistry & Brookhaven National Lab., Upton, NY (USA)) January 1, 1989.

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Description

Characterization of the X-19A beamline at the National Synchrotron Light Source (NSLS) is described. The beamline is designed for high resolution x-ray absorption spectroscopy over a wide energy range. All of the beamline optical components are compatible with ultrahigh vacuum (UHV) operation. This permits measurements to be made in a window-less mode, thereby facilitating lower energy (<4 KeV) studies. To upgrade the beamline performance, several possible improvements in instrumentation and practice are discussed to increase photon statistics with an optimum energy resolution, while decreasing the harmonic contamination and noise level. A special effort has been made to improve the stability and UHV compatibility of the monochromator system. Initial x-ray absorption results demonstrate the capabilities of this beamline for x-ray absorption studies of low Z elements (e.g. S) in highly dilute systems. The future use of this beamline for carrying out various x-ray absorption experiments is presented. 10 refs., 4 figs.

Physical Description

Pages: (12 p)

Notes

NTIS, PC A03/MF A01; OSTI; INIS; GPO Dep.

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  • 7. synchrotron radiation instrumentation (SRI) national conference, Berkeley, CA (USA), 6-10 Aug 1989

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  • Other: DE90001553
  • Report No.: BNL-43321
  • Report No.: CONF-890802--4
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 5610236
  • Archival Resource Key: ark:/67531/metadc1091001

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1989

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 26, 2018, 11:52 a.m.

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Yang, C.Y.; Penner-Hahn, J.E.; Stefan, P.M. (Michigan Univ., Ann Arbor, MI (USA). Dept. of Chemistry & Brookhaven National Lab., Upton, NY (USA)). NSLS (National Synchrotron Light Source) X-19A beamline performance for x-ray absorption measurements, article, January 1, 1989; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc1091001/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.