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at the sample position. 2.2. Installation of the 3He spin filter We currently need approximately 4 h for installation of the 3He cell into the detector tank and approximately 2 h to remove it. It requires ... Transmission Polariser The polariser consists of a 1.2 m long, FeSi m=3.6 supermirror coating on 0.5 mm single crystal silicon substrate. ...

wave-number (Å -1 ) 2.8, <1.5, 1.22.8, 1.5, 1.22, 1.5 4.1 5 4.1 Incident flux (n/cm 2 /s) 2.4*10 8 , 1.2*10 8 , 5*10 7 1.3*10 8 , 4*10 7 , 3*10 7 2.7*10 7 , 2*10 7 10 9 5*10 8 5*10 8 2.5*10 8 Energy resolution ... Heusler (Cu2MnAl)111 Si111 PG002 Heusler111 Cu111 Incident wave-number (Å -1 ) 2.8, 2, 1 2.8, 2, 1 4.5 4.5 1.55, 2.662, 4.15, 6.0 ...

synthesis made with different acids (HNO3, HBr,HCl,H2SO4, andH3PO4), it is found that materials prepared using the “salting-out” anions (SO4 2- and H2PO4-) are much better ordered than with the “salting-in” ... an anionic surfactant are presented. The scattering data in pure D2O, emphasizing the scattering from the polyelectrolyte, and in a H2O/D2O ...

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 7 n cm -2 s -1 Due to the double curvature of the neutron guide there is little λ/2 contamination ... vertical cold source guide dimensions 45 x 105 mm2 with tapering towards guide end: 20 x 140 mm 2 Monochromator PG (002); d = 3.355 Å height ...

parameters D1B D2B D4 D7 D16 D20 Salsa λ ( Å ) 1.28 2.52 1.594 2.398 0.35 0.5 0.7 3.1 4.8 5.7 4.5 & 7.5 (83°) 1.3 2.41 1.3 2.4 2qmin 2.22.2 5.5 5.5 1.3 1.3 1.3 5.6 & 9 (115°) 3.1 3.1 2qmax 128.5 128.5 ... 138 138 0.02 138.5 138.5 Qmin 0.19 0.1 0.38 0.25 0.41 0.29 0.2 0.4 0.3 0.22.5 0.26 0.14 Qmax 8.84 4.49 7.76 5.16 33.52 23.46 16.76 4 2.5 2.1 ...

prompts for the D2O content in the solvent. The solvent density SD is then evaluated as SD = ROH2O*(1.- Y) + ROD2O*Y where Y is the D2O concentration (ranges from 0 to 1) ROH2O = 0.562 is the H2O scattering ... length density (10**10 cm**-2) ROD2O = 6.404 is the D2O scattering length density (10**10 cm**-2) The user may change the solvent density ...

x 75 mm 2 Monochromator crystal d -spacing in Å k i in Å -1 flux in 10 6 n cm -2 s -1 PG (002) 3.355 1.3 - 3.3 2.662 9.3 Cu (111) 2.087 2.0 - 5.3 2.662 3.6 Heusler (111) 3.452 1.3 - 3.22.662 2.0 Collimation ... Collimation α1 = (0.015/ki) rad/Å -1 α2, α3, α4 = 10', 20', 30', 40', 60' adjustable by soller collimators Analyser horizontally focussing ...

efficiency λ/2 < 0.1 % Collimation 2 variable slits: S1 (mono) max. 150 x 40 mm 2 S2 (sample) max. 150 x 40 mm 2 monochromator-to-sample distance 2.8 m Sample area max flux at sample 2x10 7 cm -2 s -1 typical ... (150 x 60 mm 2 ) Focussing PG monochromator 9 vertically bending HOPG(002) crystals d = 3.355 Å or 3 Rb-intercalated graphite crystals ...

_NoFPU v1.0.2b Teaching tool for minimization techniques PkFitPPC v2.3.7 & FilingPPC v2.3.7 TAS data handling and processing MacSurvival .PPC.Us v2.2.2, MacSurvie .PPC.Fr v2.2.2, MacSurvie_68K v.2.2.2 Survival

(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) ...