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changer for 2 different guide end-sections: Coating Length straight section m=3 3 m Exit window: width x height = 6,0 x 12,0 cm2 elliptically tapered section m=3 3 m Exit window: width x height = 2,5 x 12,0 ... 0 cm2 Velocity selector for higher order filtering blades carbon fiber with B 4 C coating windows entrance and exit width x height = ~ 7,0 ...

(variable) 2.5 - 4 m 3 - 5.2m monochromator-to-sample-distance (variable) 2.8 - 5 m 3.5 - 6 m Sample flux (non polarized) 6×10 5 n s -1 cm -2 6×10 6 n s -1 cm -2 (expected value) flux (polarized) 3.2×10 5 ... Guide hall n°2, cold guide H521 horizontal scattering geometry 0 Å -1 < Q < 2.5 Å -1 monochromator type HOPG (002) GIC (under development) ...

view The photos show D1B equipped with the new detector (2011) with 1280 cells and covering 128º in 2θ. Here the instrument is shown with no sample environment setup.

used for magnetic studies The instrument is shown here equiped with the old PSD covering only 128º in 2θ. A cryostat 1.5-300K or even a dilution cryostat can be mounted on the D1B diffractometer enabling

range 1.6 Å < λ <2.9 Å Beam cross section 2 x 5 cm 2 Interferometry Large perfect Si crystal interferometers of different designs coherent beam-separation 2 - 5 cm enclosed area up to 100 cm 2 path lengths ... 1.84 Å with beam area 1x1 cm 2 flux in front of interferometer 16000 n cm -2 s -1 flux in O-bean and H-beam 7000 n cm -2 s -1 contrast in ...

graphite (002) wavelength 2.52 Å flux at sample/n cm -2 s -1 7.9 x 10 6 crystal Germanium (311) wavelength 1.28 Å flux at sample/n cm -2 s -1 0.4 x 10 6 max beam size 5 x 2 cm 2 Detector 3 He multidetector ... tor containing 1280 cells angular range 2θ 128° radius of curvature 1.500 m detector efficiency 86 % at λ = 2.52 Å max diameter / mm ...

animation shows an empty interferometer without phase shifter. O and H beam show constant intensity. Movie 2 - Neutron interferometry with polarized neutrons Normal One of the beam paths contains a phase shifter

monochromator (from 1.5 to 2A), Cu-focusing monochromator (from 2-3A) dimensions 209 x 170 x 12 mm 3 wavelength range 1.3 - 3 Å variable take-off 55° - 125° horizontal curvature radius 2.68 m vertical curvature ... focus (full width at half maximum) 0.6 - 2 - 4 - 10mm (horizontal and vertical) distance to gauge volume 150 mm, 380 mm, 420 mm ...

electron e - . Zn+2OH - <=> Zn(OH) 2 + 2e - At the start of the discharge, when less than 40% has reacted (x<0.4), the intermediate component H x MnO 2 has the same structure (ramsdellite) as MnO2. As the discharging ... into MnO 2 forming an interstitial compound, transferring an electron at the same time (reduction). MnO 2 + xH + + xe - <=> H x ...

Reactor hall, through-tube H6-H7 Neutron Flux: 5 x 10 14 n cm -2 s -1 Available Crystals: Flat Si (220) Ge (111) Ge (220) Bent Si (220) Ge (220) Eff. Solid Angle: Flat: ~ 10-11 sr Bent: ~ 10-7 sr Best ... Targets Materials stable elements enriched isotopes Dimensions 40 x 4 x 0.02 mm 3 (bent) 20 x 17 x 2 mm 3 (flat) Mass up to a few g Temperature ~ ...