A small angle x-ray scattering workstation for National Laboratory for Synchrotron Light

Journal Article · Wed Jan 01 00:00:00 EST 1992 · Review of Scientific Instruments; (United States)

DOI:https://doi.org/10.1063/1.1143200· OSTI ID:5569512

Bernardes, L A; Tolentino, H; Rodrigues, A R.D.; Craievich, A ^[1]; Torriani, I ^[2]

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1. National Laboratory for Synchrotron Light (LNLS), Cx. Postal 6192, 13081, Campinas, SP (Brazil)
2. Institute of Physics, UNICAMP, Campinas, SP (Brazil)

A versatile, modular, and high-vacuum compatible small angle x-ray scattering workstation is under construction at National Laboratory for Synchrotron Light. It will use a wiggler source to be installed in the 1.15-GeV UVX2 electron storage ring. The white beam is monochromatized by Bragg reflection using a silicon triangular-shaped, asymmetrically cut and bent crystal. The movements required for {theta} rotation, crystal bending, and tilting are performed by an external goniometer and two specially designed translation stages, respectively. The x-ray wavelength will cover the range 1 A{lt}{lambda}{lt}2 A and can be varied by {theta} rotation of the whole monochromator crystal and housing and 2{theta} rotation of the monochromatic beam path setup. The monochromator, secondary shutter, slits, sample holder, beam stopper, and detection system are stepping motor driven and computer controlled.

• OSTI ID: 5569512
• Journal Information: Review of Scientific Instruments; (United States), Vol. 63:1; ISSN 0034-6748
• Country of Publication: United States
• Language: English

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