A 2 m inelastic X-ray scattering spectrometer at CMC-XOR, Advanced Photon Source.

J Synchrotron Radiat

Department of Condensed Matter Physics and Material Science, Brookhaven National Laboratory, Upton, NY 11973, USA.

Published: July 2007

AI Article Synopsis

  • A new inelastic X-ray scattering instrument has been developed at CMC-XOR, Advanced Photon Source, featuring a 2 m vertical-scattering arm designed to minimize twisting during movement.
  • A Ge(733) spherical analyzer was created, achieving a resolution of 118 meV (FWHM) using a Si(444) monochromator and a Si(111) pre-monochromator.
  • Initial testing on the cuprate La(2)CuO(4) shows promising early results.

Article Abstract

The design and commissioning of an inelastic X-ray scattering instrument at CMC-XOR at the Advanced Photon Source is reported. The instrument features a 2 m vertical-scattering arm with a novel counterweight design to reduce the twisting moment as the arm is moved in the scattering plane. A Ge(733) spherical analyzer was fabricated and an overall resolution of 118 meV (FWHM) was obtained with a Si(444) monochromator and a Si(111) pre-monochromator. Early results from a representative cuprate, La(2)CuO(4), are reported.

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Source
http://dx.doi.org/10.1107/S0909049507018006DOI Listing

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