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<210° +56° < χ <205° -180° < φ <180° Detector 120° x 30° position-sensitive detector detector gas: 3He (5 atm) + CF4 (1 atm) Nominal resolution for fixed sample-detector distance of 76 cm 0.19° horiz. x ... sample. The new very large banana PSD is of innovative design and works at high gas pressure (5 atm 3He + 1 atm CF 4 ) for high efficiency ...

analysis for any direction of the magnetic field at the sample position with 3He neutron spin polarizer, a 3He spin flipper and a 3He wide-angle neutron spin analyzer [1]. An extended version for time-of-flight ... Optics group of the ILL, he actively participated in the development of many optical components for polarised beams. He first ...

and H. Humblot (middle) working on the 3He polariser. A series of cells are filled with 0.7 mbar of pure 3He atoms. The discharge applied in the cells put the 3He atoms in a metastable state. A laser ... hall, where A. Leadbetter (ILL Director) is anxiously waiting for them at D3. F. Tasset, H. Humblot and W. Heil install the 3He spin filter ...

Début Cryogénie Cryostat à dilution Faits marquants Principe de la production de froid par dilution 3He/4He Dans un cryostat à dilution classique, la partie hélium liquide (4,2 K) et la partie dilution sont ... D10 tourne son échantillon en tous sens. Dans ces conditions, pour produire du froid par dilution 3He/ 4 He, il fallait une astuce ...

September 1996. Scheduled two months later on D3 , the first experiment was a great success and the start of along series of progress [3]. At the time, the highest 3He polarisation was of 50% in the NSF cell ... magnetostatic cavities required to maintain the 3He polarisation on the instruments. This effort democratised the use of NSF and allowed ...

was started with the goal of producing a cheaper and more efficient 3He polariser. In 1996, a first filling station for polarising 3He gas, nicknamed COW, was built at the ILL which used the metastabi ... filter on the D3 diffractometer. After several years of strong development of both the technique and the special bottle, this is a crucial ...

and multilayers, the dynamics of liquid 4He and liquid 3He, and synchrotron X-ray and neutron scattering techniques. In parallel with his academic research he conceived, designed and supervised the co ... the Institut Laue-Langevin, the French-German-British high-flux reactor centre, both in Grenoble." He received the medal from Professor Dame ...

field setup Here, D3 is equiped with CRYOPAD and a 3He spin filter (DECPOL). This makes it possible to monitor separately the polarisations of the incident and scattered beams, in 3 dimensions.

05-0.8 Å -1 0.05-0.8 Å -1 0.05-0.5 Å -1 3% 2.9% 2.4% 0.02 49.9 meV 2 m 4 m 6 m ± 50 ± 45 ± 35 1° - 15° 1° - 15° 1° - 9° 0.09-1.3 Å -1 0.09-1.3 Å -1 0.09-0.8 Å -1 3.8% 3% 2.7% 0.03 83.6 meV 2 m 4 m 6 m ± 80 ... equipment Furnace: T=300-1500K Sample access diameter: 40mm Detectors PSD Reuter-Stockes 3He multi-tube assembly 100 3He filled (15 bar) ...

joined the ILL in 1970. He contributed to developing the 3-axis spectroscopic technique at ILL ( IN8 , IN14 now ThALES ). He served as 3-axis Instrument Group Leader from 1994 until he retired in 2004. His ... magnetic thin films and multilayers, the dynamics of liquid 4 He and liquid 3He, and neutron then synchrotron X-ray scattering techniques.  ...