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variation of the different terms entering the exchange integrals can be obtained as a function of the atomic displacements associatedwith a phonon mode. Understanding the properties of a system often means ... confinement/transport of fluids within these materials are an ideal playground for strong interactions with experimentalists – especially ...

project driven by excellent science built in cooperation with ILL and/or ESRF scientists. The project should be tackling challenges associatedwith sustainable development and industrial competitiveness ... degrees. Students can only be assigned to an accepted PhD project proposed by an academic institution. PhD proposals from individual students ...

Depth 1 will be used to calculate the transmission 4.5 Å to be used with sample depth 1 also measured at 4.5 Å while depth 2 will be used to calculate the transmission at 6 Å to be used with sample depths ... operations performed on data sets during reduction are correct with a corresponding accuracy in the propagation of experimental errors associ ...

fractal network with low structural organization at low polycation amount. With increasing polycation, bundles of tens of aligned DNA rods appear that are interconnected in a fractal network with a typical ... possible microstructures. SAXS measurements combined with osmotic pressure measurements show that small inorganic negatively charged ...

low velocity range from 0 to 15 m/s with an associated enlargement of the beam from 7 x 3.4 to 8 x 16 cm 2 and wide divergence. The turbine housing is equipped with 5 exit ports, 1 for the VCNs (20 - 400 ... source upper part curved: 12.8 m length and 13 m radius of curvature transmitted beam about 7 x 7 cm 2 with wavelengths 20 < λ < 400 Å one ...

determined with good precision using spherical neutron polarimetry. The determined total moment associatedwith each Cr 3+ ion is only 2.48 μB rather than the predicted 2.97 μB. The loss of moment can be attributed ... attributed to covalent mixing of the Cr 3d electrons with O 2p orbitals in π-type antibonding orbitals. Positive and negative spin ...

is an important issue, which is commonly dealt with using various criteria. These criteria though fail to provide a probability measure associatedwith the number of peaks and sometimes different criteria ... often a challenging task, especially when dealing with specific samples or anytime the scattering signal is very weak. These limiting ...

Bragg reflections with temperature (Fig. 1) and exploring reciprocal space within each phase. The first transition is to a commensurate non-collinear antiferromagnetic structure, with a small spontaneous ... of CuB2O4 at 12K (jpg - 63 Ki) Fig.2 - Thermal variation of the (0 0 2) Bragg reflection and the associated satellite reflections. Fig.3 ...

(jpg - 72 Ki) 1- Fourier difference map for cellulose calculated with neutron data recorded from D19The map shows density associatedwith the cellulose hydroxyl groups. (jpg - 51 Ki) 2- Neutron fibre d ... patterns from deuterated and non-deuterated samples allowed the arrangement of the Kevlar sheets to be accurately determined in a way that was ...

reflection and absorption losses associatedwith the windows that would be necessary in the case of direct UCN extraction are greatly reduced; furthermore, part of the beam can be used for experiments where ... experiments using very cold neutrons. The platforms PF2/MAM, PF2/UCN, and PF2/EDM can be used for experiments with ultracold neutrons. They ...