A simulated experiment The incoming polychromatic neutron beam (wavelength around 2.2 Å) is backscattered on the monochromator (Bragg reflexion on a crystal lattice) with a high monochromaticity (energy ... beam is reflected so as to hit the sample. The scattered neutrons are analysed by a Bragg reflexion on the analysers. A chopper creates ...
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A general view of IN12 The IN12 instrument - On the left: End of guide shielding with lead tunnel, movable polyethylen shielding of the monochromator castle (blue) as well as the lead exit tunnel (yellow)
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A simulated experiment Basics of the so called time-focussing technique Three intense neutron beams are extracted from a neutron guide by an assembly of three monochromators and are focused horizontally ... sample. Each monochromator delivers a beam of distinct energy and, thus, of distinct velocity due to different Bragg-scattering conditions. The ...
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studied on a depth of 1 to 300 nm (5 to 1500 atomic layers). If the incident angle is lower than the critical angle, the material acts like a mirror and reflects all neutrons. If it is wider, only a part of ... reflected. Measuring the proportion of reflected neutrons for a reflection angle equal to the incident angle makes it possible to explore ...
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A general view of the instrument D23 is shown with the 12 Tesla cryomagnet mounted on.
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higher, only a part of the neutrons are reflected. Measuring the proportion of reflected neutrons for a reflection angle equal to the incident angle makes it possible to explore the sample in a direction ... Layer stacking can be studied on a thickness scale of 1 to 500 nm (5 to 2500 atomic layers). If the incident angle is lower than the critical ...
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d diffuse scattering spectrometer D007 will deliver its first neutrons in 2024. A general view of the instrument D7 is a cold neutron multidetector diffractometer with full XYZ polarisation analysis. This ... contributions simultaneously over a large range of scattering vector Q, and is therefore ideal in the study of diffuse scattering from ...
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A simulated experiment The incident polychromatic neutron beam coming from the guide H144 passes in the standard set-up a velocity selector and only a selected wavelength band continues through the guide ... sample. The monochromatic beam arrives on the sample - for example a single crystal - and is scattered in many directions, sometimes with a ...
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A general view of the instrument When seen from the outside, IN13 is a close box. The shielding is in the shape of a cylinder with access to the sample position from the top platform.
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