Director's Report
Index

Structures and phase transitions

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• Anisotropic quenched disorder effects on a liquid crystal confined into nanochannels
• Diffraction studies of MnO confined in nanochannels of mesoporous matrices
• Pressure induced ferromagnetic spin glass transition in the geometrically frustrated pyrocholore (Tb_1-xLa_x)₂Mo₂O₇
• Neutron diffraction study of the broken symmetry phase in solid deuterium at the pressure of 38 GPa
• First evidence of a pressure induced lock-in in an aperiodic composite crystal
• Pressure effects in La_0.75Ca_0.25MnO₃ studied by neutron and optical methods
• Ordered spin ice state and magnetic fluctuations in Tb₂Sn₂O₇
• Magnetism of the geometrically frustrated spin-chain compound Sr₃HoCrO₆: Magnetic and heat capacity measurements and neutron powder diffraction
• Time-resolved in situ studies of oxygen intercalation into SrCoO_2.5, performed by neutron diffraction and X-ray absorption spectroscopy
• Structural and magnetic properties of RMn₂D₆ compounds (R=Y, Dy, Er) synthesized under high deuterium pressure
• Role of topology on the magneto-structural coupling in new Laves hydrides
• Tunable intertube spacing in single-walled carbon nanotubes
• Magnetic structure of an antimony manganese chlorosulfide MnSbS₂Cl
• Magnetic structures of the synthetic magnetic minerals based on hydroxysulfates of divalent metals, Co₃(OD)₂(SO₄)₂, Co₅(OD)₆(SO₄)₂(H₂O)₄, Cu₄(OD)₆SO₄
• Magnetic structure of the charge ordered Bi_xCa_1-xMnO₃ manganites
• Structural study of pathological calcification : the case of kidney stones
• Synchrotron and neutron diffraction structural study of 4-methylpyridine-N-oxide (4MPNO) at 10K
• High-pressure magnetism in geophysicaly important materials FeO and MnO

Superconductivity and magnetism

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• Magnetic order in the pseudogap phase of high-Tc superconductors
• Spin-gap Closing under magnetic field in the electron doped high-Tc superconductor
• Bond-stretching phonon anomaly reflecting dynamic charge inhomogeneity in copper-oxide superconductors
• A 2D stripe superstructure revealed by spin waves in cubic ferromagnetic La_1-xSr_xMnO₃ (x = 0.125 and x = 0.15)
• Spin-wave dispersion in orbitally ordered La_0.5Sr_1.5MnO₄
• Competing order parameters in light-rare-earth hexaborides
• Spin redistribution by entanglement in an organic magnet
• Magnetic Ordering and SpinWaves in Na_0.82CoO₂
• Spin gap in the one-dimensional S = 1/2 spin-ladder compound Bi₂Cu(P_1-xV_x)O₆
• Two- and three-dimensional magnetic ordering in the bilayer manganite Ca_2.5Sr_0.5GaMn2O₈
• Ferromagnetic Interaction in an Asymmetric End-to-End Azido Double-Bridged Copper(II) Dinuclear Complex
• Neutron diffraction study of a molecule-based 2-dimensional magnetic compound Mn(dca)₂(pym)(H₂O): spin density and magnetic phase diagram
• Photoswitchable molecular compounds studied by neutron powder diffraction
• Neutron Laue diffraction on the spin crossover crystal [Fe(ptz)₆](BF₄)₂ showing continuous photo-induced transformation
• Magnetization depth profile of (Fe/Dy) multilayers
• Polarized SANS studies of FePt Magnetic Nanoparticles
• Small Angle polarised neutrons studies of dispersed magnetic Co-Ni nanowires
• Magneto-structural phase transition in MnAs epilayers grown on GaAs(111)B substrates

Materials science and applications

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• QENS study of water dynamics in the Nafion membrane
• Proton conduction in yttrium doped barium cerate
• Small angle neutron scattering investigation of ODS martensitic steels
• Influence of alloying elements on nanometric carbides precipitation in 5% chromium martensitic steels.
• Rewritable DVD, RAM memories: between the electronic structure and the recording ability, neutron scattering shed some light
• Self-assembling via Langmuir-Blodgett films and SANS characterisation of polymer-grafted platinum nanoparticles: a possible application in fuel cells
• Dynamics of a polymer confined in macroscopically monodisperse oriented pores
• Dynamics of water and ions in clays: a concurrent TOF, NSE and MD study
• Ferromagnetic Fe-implanted SiC: New results towards a Diluted Magnetic Semiconductor
• A compact tensile machine for in situ neutron diffraction study of materials under external loading
• Deformation and recrystallization mechanisms of CuSn alloys (bronze)

Soft matter

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• Nanomechanics and glass transition of confined polymers within spherical nanosized particles
• Novel frontier between liquid and solid states in polymers: identification of a macroscopic solid-like mode in the molten state
• Chain form factor and counterions release in polyelectrolytes-proteins complexes : beyond the usual contrast matching method
• pH-responsive interfaces grafted with polyelectrolyte or polyampholyte
• A SANS study of the adsorbed asphaltene layer in water-in-hydrocarbon emulsions
• Molecular structure of conjugated polyelectrolytes
• Two polymers made of the same segments which do not mix because of their different architecture
• Smart hybrid magnetic polymersomes
• Anisotropic reinforcement of latex films by magnetic nanoparticles
• Stimuli-sensitive hybrid nano-objects: polymerisation from silica nanoparticles synthesized in aqueous medium
• Dispersions of polymer grafted nanoparticles in a same polymer matrix: the effect of deformation
• Interfacial and thin-film properties of complex systems
• Comformation of arabinogalactane-peptide from Acacia gum: a new model based on SANS and ab initio calculations
• Hybrid polyion complex micelles precursors for Highly stable metal [C. hydroxide colloids]
• Cellulose whiskers-based multilayers
• Effect of solvent-polymer interaction in swelling dynamics of ultra-thin polyacrylamide films: A neutron and x-ray reflectivity study
• Study of absorbed nanoparticles at a solid-liquid interface by neutron surface scattering

Life sciences

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• Hydrogen-bond dynamics in bulk water
• Influence of temperature and pressure on structure and dynamics of a model protein belonging to the regulation of the enzymatic catalysis : the bovine pancreatic trypsin inhibitor : a neutron scattering study
• Milk proteins aggregation under high pressure studied by small angle neutron scattering
• Protein refolding and translocation: biology meets nanoscience
• Evidence that interfacial water is the driving force behind protein dynamics
• Influence of hydration solvent on the dynamic transition of phycocyanin
• Hydration water in dynamics of a hydrated beta-lactoglobulin
• Thermal denaturation of apo-calmodulin
• Influence of macromolecular crowding on protein folding and stability: a model for unfolded chain
• Phase transition of metastasic extracellular matrix: theory and experiment.
• Dynamics of a photo-excited antenna protein
• Glass transitions in cryoconcentrated sucrose solutions.

Instrumentation

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• Super-6T2, a new position sensitive detector polarized neutron diffractometer/A>
• G6-1 / Micro, a powder diffractometer for micro samples measurements
• New Supermirror collimators for the in pile cold triple axis
• Upgrade of the 3T2 High Resolution Powder Diffractometer
• A double super-mirror monochromator for the new Very Small Angle Neutron Scattering spectrometer (TPA, Très Petits Angles)
• Multi beam collimator prototype for the new Very Small Angle Neutron Scattering spectrometer (TPA, Très Petits Angles)
• New developments for 2D High Resolution Neutron Scattering Experiments. Application case and experimen-tal evidences from crystals to polymer science.
• TilTof a high intensity space-time reflectometer
• Magnetic neutron waveguides

Theory

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• About the Origin of Sonoluminescence
• Magnetic and Electronic properties of the High-Tc Cuprates: from electron- to hole- doping
• Effects of Carbon Substitution on Magnesium Diboride : Ab Initio Study
• Relaxation dynamics and quasielastic neutron scattering in proteins from the model of fractional brownian dynamics

Experimental Programme and User Activities

Publications