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couldn't operate the magnet without having a sign. Probably they asked in a very officious manner because I remember being annoyed and telling them that we would have a sign in every language so that no one ... service administratif de la sécurité de l'ILL nous a dit que nous ne pouvions pas utiliser l'aimant sans une signalisation appropriée. ...

on of the ligand-field splitting of Fe(II) for a biologically relevant ligand The imidazole ring functions as a ligand towards transition metal ions in a number of biologically important molecules. In ... suited to obtain a direct spectroscopic measurement of the electronic structure of high-symmetry homoleptic complexes. The ligand-field in this ...

original specifications were defined for the study of structures of a few nm periodicity diffracting to a real space resolution of a fraction of nanometer, making it perfectly suited to membrane diffraction ... seventies. The new instrument was commissionned in 2023 after a major upgrade that consisted in the replacement of the former detector ...

OrientExpress - Characteristics Ref. : " OrientExpress: A new system for Laue neutron diffraction ", Ouladdiaf B. , Archer J. , McIntyre G.J. , Hewat A.W. , Brau D. , York S., Physica B 385-386 , 1052-1054 ... preferred γ angles: 0º, 90º, 180º Beam divergence : about h= 0.6º, v= 0.8º Coupling between both Via a tapered fibre-optic, bonded directly ...

(002) and Heusler (111) are mounted on a carrousel (computer controlled), providing a high flux of unpolarised and polarised neutrons respectively together with a low intrinsic α 0 divergence. The monochromator ... spatial directions by a system of three horizontal coils and a vertical Helmholtz pair, all computer controlled with respect to the ...

secondary spectrometer employ a monochromatic horizontal focusing geometry. A heavy input slit of an adjustable size, placed in the casemate, serves as a virtual source, providing a large solid angle for the ... the monochromatic beam, while reducing, together with a sapphire filter window, the fast neutron background. The neutron energy is ...

Flat Crystal Facility , E.G. Kessler, M.S. Dewey, R.D. Deslattes, A. Henins, H.G. Börner, M. Jentschel and H. Lehmann, Nucl. Instr. Meth. A 457 (2001) 187. ... 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 ~ 400°C Instrument Description The ultra high resolution gamma ray ...

crystal pieces, concentrates the divergent incident beam onto a small area at the sample position. The full use of the available solid angle gives a high incident flux. The variable curvature of the monochromator ... faces and the Fermi chopper. The background choppers are rapidly pulsating beam shutters which act as a low-pass filter. Thus they ...

PG(002) 3He detector 50 mm Ø x 12 cm Instrument description IN3 is a classic three-axis spectrometer on a through-going neutron guide (Fig.1). A bi-faced monochromator with PG(002) and Cu(111) with variable

cold source Monochromator graphite crystals intercalated with potassium 8.9 A monochromatic neutrons reflected towards guide H172A Ultra Cold Neutron (UCN) source Small size 4 He source 5 liters Environment ... project consists of designing and building a second-generation gravitational neutron spectrometer with ultra-high resolution. Its key ...