Recherche

metals", PRE 94, 023305 (2016). E. Guarini, U. Bafile, F. Barocchi, A. De Francesco, E. Farhi, F. Formisano, A. Laloni, A. Orecchini, A. Polidori, M. Puglini, F. Sacchetti, "Dynamics of liquid Au from neutron ... structure factor of liquid gold at a Q value of 10nm−1 (see references). Caption Fig.3: Posterior probability for the number of ...

structural relaxation time. This observation represents a strong experimental evidence of the transition from a hydrodynamic to viscoelastic regime in a molten liquid. The experimental dispersion curve obtained ... show their dispersive nature. The “acoustic-like” dispersion curve displays a large positive dispersion effect thus marking a clear ...

dioxide. A very different opinion has long been wide-spread in the scientific community. Reference E. Guarini, U. Bafile, F. Barocchi, A. De Francesco, E. Farhi, F. Formisano, A. Laloni, A. Orecchini, A. Polidori ... Studying monatomic systems like liquid metals remains a main route to the core of collective dynamics in liquids. We therefore ...

analyzed by fitting a Damped Harmonic Oscillator (DHO) to the spectra together with a single Lorentzian to model the central line. Red and blue lines in the figure are DHO fitting results. As a result, density ... is currently further investigated. Reference W.C. Pilgrim, D. Szubrin, F. Demmel, A. Orecchini, S. Rols, A. Laloni, and A. De Francesco, ...

VIVALDI and OrientExpress. It shares with VIVALDI a large reciprocal space coverage and with OrientExpress a fast data acquisition rate. This makes it a unique instrument for real-time exploration of reciprocal ... Photo Scintillator) is a Laue single crystal diffractometer, with an ultra-large set of area detectors. Because of the high flux on the ...

neutron tube H3 arrives at the monochromator. The monochromatic diffracted beam reaches the sample – a single crystal - located at the centre of the Eulerian cradle. The three angles of the Eulerian cradle ... records the intensity of the diffracted beam of the selected Bragg reflection. When the intensities of a large enough number – typically ...

High-intensity spin-echo spectrometer WASP is a spin-echo spectrometer optimised for high signal and high momentum transfer measurements. It replaced the ILL spectrometer IN11. The instrument has received

diffracted by the monochromators with a take-off angle of 44.22º towards the sample positions which is 3000mm downbeam. The sample, a polycrystalline powder, loaded inside a cylinder vanadium can, diffracts ... incident beam. The Bragg reflections are mesured by a multi-detector with 1280 cells with a separation of 0.1º, covering the angular range ...

scattered beam on a user-chosen path in Q-space. Depending on the requirements, the user can for example define scans with a constant energy transfer or scans that map a path along a certain Q-direction ... set-up, IN12 will meet future challenges for a full multiplex operation. UFO offers a lot of degrees of freedom and thus a simulation tool is ...

ThALES - Three Axis Low Energy Spectrometer The ThALES project is a collaboration between ILL and Charles University, Prague. Its construction was funded by the Czech Ministry of Science and Education