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Pinholes 0.5 to 2.9 mm Flux at specimen (λ-centre = 3.5 Å; δλ/λ = 30%) ~1.1 x 10 8 n cm -2 s -1 Detector Cylindrical drum with internal neutron-sensitive image plates and read/erase system Neutron image plate ... Guide hall n°1, cold guide H143 Data Collection Method Quasi-Laue Ni/Ti multilayer band-pass filter (δλ/λ=30%) Choice of neutron λ ranges ...

tor crystal d-spacing (Å) k i (Å -1 ) flux (10 7 cm -2 .s -1 ) PG(002) 3.355 2.662 3.5 4.10 6.0 Heusler(111) 3.435 2.662 0.75 4.10 1.0 Collimation α 0 = 12.λ (Å) α 1 , α 2 , α 3 = 10', 20', 30', 40', 60' ... 2.662 Å -1 with PG (002) monochromator and analyser versus Heusler-Heusler configuration is 6 (open collimation). Typical flipping ratios in ...

operated in a double-axis or with triple-axis mode with an incident neutron wavelength going from 1Å to 1.5Å. At each momentum transfer, the field dependence of the neutron intensities is extracted by summing ... magnet structure of URu 2 Si 2 in magnetic field between 35 and 39 Tesla (see Fig.1 and this highlight (pdf - 3.80 Mi) ). Fig1. Magnetic ...

tube Ø 170 mm Monochromator crystal dhkl (Å ) ki (Å -1 ) flux (10 7 n.cm -2 s -1 ) Conditions polarised Heusler (111) (230x150mm 2 ) 3.437 2.662 4.1 8.0 1.05 7.0 0.55 virtual source D=40 mm sapphire filte ... (FWHM) measured with a reference vanadium sample at the graphite filter wave-numbers k i = 2.66 Å -1 and 4.1 Å -1 are 0.82(3) meV and 3.05 ...

diffractometer for magnetic structure analysis. It offers several set-ups: a high field set-up for 1D polarimetry up to 10 Tesla ; a zero-field set-up for spherical neutron polarimetry with CRYOPAD ; a

2017 ~ 1.5 - 8 energy transfer (μeV) ±31 ±31 ±59 t.b.d., ~ ± 250 / ±70 / -850...1000 for Si(111) / Si(111) high rep. rate / Si(311) Q-range (Å -1 ) 0.1 - 1.8 0.1 - 1.8 0.7 - 3.5 t.b.d. ~ 0.2 - 1.8 comments ... comments high flux (HF) standard position NEW: choose chopper ratio 1:1 for 'high flux' or 2:1 for 'high signal-to-noise' (HSNR-mode) low ...

(+) Polar. / H4B (-) Polar. / H4B 2.5 Tesla -?- -?- -?- -?- 2.0 Tesla -?- -?- -?- -?- 1.5 Tesla -?- -?- -?- -?- 1.0 Tesla -?- -?- -?- -?- 0.5 Tesla -?- -?- -?- -?- ... with the electromagnet Applied Field ... (+) Polar. / H4B (-) Polar. / H4B 2.5 Tesla -?- -?- -?- -?- 2.0 Tesla -?- -?- -?- -?- 1.5 Tesla -?- -?- -?- -?- 1.0 Tesla -?- -?- -?- -?- 0.5 ...

Tm Detector 32 x 32 pixels, each 1 cm 2 at a distance of 4.6 m from the sample 1 bar 3 He and 0.3 bar CF 4 area 32 x 32 cm 2 pixel size 1 cm 2 angular range θ 2° ... 70° (Cryostat) 2° ... 30° (Oven, Sample ... cavity, 1 m long (provided by HZB Berlin) FeCo-Si supermirrors on Si substrate analyser FeCo supermirrors (provided by HZB Berlin) ...

× 10 4 n.cm -2 .s -1 Analyser CaF 2 (422) Q -range 0.2 < Q /Å -1 < 4.9 Q -resolution ΔQ/Å -1 < 0.1 Detectors monitors 2 35 3 He detectors 1 <Q/Å -1 < 4.9 3 He PSD detector 0.2 <Q/Å -1 < 0.8 background per ... Guide hall n° 1, thermal guide H24 Monochromator CaF 2 (422) temperature range -196 < T M /°C < 250 energy range -125 < ΔE/µeV < 150 angular ...

energies, and wavevectors: 1.26 < λ/Å < 6.3 2.1 < Ei/meV < 42 1.0 < ki/Å-1 < 5.0 Measurements with a calibrated monitor at the sample position show for a typical wavevector of ki=2Å-1 a flux of about: double ... double focusing set up: 1.04 x 108 n cm -2 s -1 velocity selector in: 8.4 x 107 n cm -2 s -1 velocity selector, 60' collimation: 5.02 x 10 ...