SuperADAM: Upgraded polarized neutron reflectometer at the Institut Laue-Langevin

SuperADAM : Upgraded polarized neutron reflectometer at the Institut Laue-Langevin

A new neutron reflectometer SuperADAM has recently been built and commissioned at the Institut Laue-Langevin, Grenoble, France. It replaces the previous neutron reflectometer ADAM. The new instrument uses a solid state polarizer/wavelength filter providing a highly polarized (up to 98.6%) monochromatic neutron flux of 8 x 10(4) n cm(-2) s(-1) with monochromatization Delta lambda/lambda = 0.7% and angular divergence Delta alpha = 0.2 mrad. The instrument includes both single and position sensitive detectors. The position sensitive detector allows simultaneous measurement of specular reflection and off-specular scattering. Polarization analysis for both specular reflection and off-specular scattering is achieved using either mirror analyzers or a He-3 spin filter cell. High efficiency detectors, low background, and high flux provides a dynamic range of up to seven decades in reflectivity. Detailed specifications and the instrument capabilities are illustrated with examples of recently collected data in the fields of thin film magnetism and thin polymer films.

Zhernenkov, K. (författare)
Dennison, Andrew J. C.Uppsala universitet,Materialfysik(Swepub:uu)andde685 (författare)
Toperverg, B. P. (författare)
Wolff, MaxUppsala universitet,Materialfysik(Swepub:uu)maxwo643 (författare)
Hjörvarsson, BjörgvinUppsala universitet,Materialfysik(Swepub:uu)bjorghvs (författare)
Zabel, H. (författare)
Uppsala universitetMaterialfysik (creator_code:org_t)

Ingår i:Review of Scientific Instruments: AIP Publishing84:2, s. 025112-0034-67481089-7623

Av författaren/redakt...: Devishvili, A.; Zhernenkov, K.; Dennison, Andrew ...; Toperverg, B. P.; Wolff, Max; Hjörvarsson, Bjö ...; visa fler...; Zabel, H.; visa färre...

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