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observe the magnetic scattering from powdered samples of the small-moment pyrochlores Lu 2 Mo 2 O 7 and Lu 2 Mo 2 O 5 N 2 . The data show that D7 can observe scattering from 0.11 μ B per formula unit, or 0 ... 2024. Magnetism in Molybdate Pyrochlores Pyrochlores are compounds with the generic stoichiometry A 2 B 2 O 7 and the crystal space group ...

scan name Preview panels for Reflectivity Profile, Detector Images, Integrated 2D maps ("Pixel vs. Point number", "Theta vs. 2Theta", "Qx vs. Qz") Reductions / Corrections available: -- Devision by monitor ... monitor -- Reductions of pixel density by 2, 4 or 8 times BoToSim (Off-specular Reflectivity maps simulation software) Features: Simulation ...

23S1-23P transition (1083 nm, 2 GHz bandwidth) Power: 100 W (10 x 10 W) Magnetic field 9 coils of 2 m diameter Field amplitude: 10 Gauss Homogeneity region: diameter 1.2 m., length 2.5 m Relative field gradient: ... performance of the NSF. The Tyrex-2 central filling station typically provides 3 He gas at a polarisation of about 80% on the neutron ...

hall n°1, cold guide H15 λ 6 to 1.5 (Å) Incoming energy Ei 2.2 to 36.4 (meV) energy resolution ΔE 0.055 to 3.0 (meV) Energy resolution ΔE / Ei 2.5 to 15.0% Max energy transfer in % of Ei 45% Qmin (A-1) 0 ... sensitive area 11 m 2 total background 2 Hz Sample environment characteristics Stick length Monte-et-baisse position Sample holder cryostat ...

distances / m 1.4, 2.0, 2.8, 4.0, 5.6, 8.0, 11.2, 14.4, 17.6, variable apertures at 19.1 Sample area maximum flux at sample (for Δλ/λ = 10%) 1.2x10 8 n cm -2 s -1 typical sample size 10 to 300 mm 2 Detector distances ... distances 1.1 ... 17.6 m rotation -2° < 2Θ <22° horizontal offset -5 ... 50 cm area 102.4 x 98 cm 2 pixel size 8 x 8 mm 2 maximum ...

Sample sample size 3.5 x 3.5 cm 2 flux at sample 4,4 × 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 < ... tor CaF 2 (422) temperature range -196 < T M /°C < 250 energy range -125 < ΔE/µeV < 150 angular range 81° < θ M < 89° incident energy ( T M ...

1 sec. Structural measurements over the whole Q-range (0.005-0.4 A -1 ) in a D2O subphase can be measured in as little as 2 min. These counting times apply to free liquid surfaces with a surface area of ... minimum reflected signal of 5 x 10 -7 or 1 x 10 -6 after background subtraction can be obtained for D 2 O or H 2 O, respectively. Without ...

take-off angles where relatively long wavelength ( »2.5-3.8Å) can be produced providing the incident flux on the sample »2´107 n´s-1´cm-2. Higher λ/2 harmonics are filtered out by a graphite filter. The ... horizontal and vertical focussing HOPG (002) 2.36 < λ < 2.5, 3.8 Å Si (115) 1 < λ < 3.5 Å take-off angle 38 < q M < 130° 3 He trench multi-wire ...

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' adjustable ... The monochromator covers an angular range 16°< 2θ M <80°. The sample covers an angular range -70°< 2θ S <120°. The analyser covers an angular ...

(Amp1) 112 Voltage of power supply 1 (Volt1) 113 Current of (new) power supply 2 (Amp2) 114 Voltage of power supply 2 (Volt2) 115 Current of (new) power supply 3 (Amp3) 116 Voltage of power supply 3 (Volt3) ... LAMP 1 contents of PRESET 1 (1/100 s if time) x 2 contents of PRESET 2 (generally not used) x 3 time [1/10 s] scaler 1 x 4 total detector ...