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LLB Sientific Report 2003-2004

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Director's Report Index
Structures and phase transitions Header Cristallographic Structures of austenitic and martensitic hydrides of Ti0.64Zr0.36Ni intermetallic compound Giant H/D isotopic effect in YFe2(HyD1-y)4.2 compounds Silicon doped hydroxyapatites Simulated annealing on neutron and synchrotron powder diffraction DATA Magnetic structures of transition metal (Mn, Co, Ni, Cu) Hydroxysylfates Crystal and magnetic structures of the Mn3+ orbital ordered manganite Y2Ba2Mn4O11 Spin Speierls ground state in (TMTTF)2PF6 Neutral-to-ionic phase transition under pressure: towards the quantum limit Interactions in self-Assemblied molecular crystals Phonon anomalies in high Tc superconductors related to charge stripe order Magnetic order in high-pressure oxygen	Magnetism and superconductivity Header Two-dimensional geometry of spin excitations in the high-transition-temperature superconductor YBaCuO.8 Small Angle Neutron Scattering from the flux lines lattice: new developments Lattice distortions related to charge ordering in SrCuO La>5(Sr,Ca)<9Cu24O41: a 1D Toy model for hole doped cuprates Confined spin waves reveal an assembly of nanosize domains in La1-xCaxMnO3 (x=0.17, 0.2) Magnetic filaments in resistive manganites Magnetic ground state in the frustrated S=1/2 square lattice of V4+ in Li2VOSiO4 Temperature renormalization of the spin correlations in the dimer spin-Liquid TlCuCl3 Domain structures in Fe/FeN multilayers
Materials science Header Residual stress redistribution in a wheel/axle assembly due to cyclic loading Residual stresses in welded aluminium joints for aerospace applications Investigation of the alpha and beta texture evolution of hot forged titanium alloy products Impurities effects on the mechanisms of recrystallization of wire-drawn copper Nanocluster formation in electron irradiated lithium oxide Combined X-ray & neutron powder diffraction study of a dimorphic C60 solvate: C60 1.5 CH2Cl2 Local order around Nd3+ ions in an organic solution as determined by neutron scattering experiment	Physical chemistry and soft matter Header Bottle brush shape polymacromonomers : conformation and dynamics in solutions and melts Aqueous supramolecular polymer formed by an amphiphilic perylene derivative Swelling and collapse of a weak polyelectrolyte as a function of pH Polymer-polymer adhesion of uncrosslinked elastomers studied by neutron reflectivity Atom transfer radical polymerization from silica nanoparticles : following chemical synthesis using SANS Highly stretched polymer brushes with a low swelling capacity New structural model for Nafion® membranes Local dynamics of bulk and nanoparticle filled poly(vinyl acetate) observed by quasielastic neutron scattering
Life sciences Header Experimental evidence of a liquid-liquid transition at 0 K in interfacial water Hydration water dynamics of hydrophobic oligopeptide Hydration of ds-DNA ans ss-DNA Diffusion of water in halophilic archaea Structure of proteins-polyelectrolyte complexes	Modelling Header The weakly coupled Rotor-Morse oscillator system: A toy model for selective chemical dissociation Spin dynamics of the electron-doped high Tc superconducting cuprates Faults, a new program for refinement of powder diffraction patters from layered structures Dynamics of lysozyme under pressure seen by molecular simulation and neutron scattering
Technical and instrumental developments Header Papyrus : a dedicated tool to study surfaces at the nanoscale Very small angle neutron scattering spectrometer (TPA) Technical developments dedicated to "in situ" temperature analysis of crystallographic textures by neutron diffraction Neutron holographic study of palladium hydride Replacement of first elements of Guides 1 to 6 Report on a first neutron test of a new D position-sensitive detector of thermal neutrons
Experimental Programme and User Activities Publications

	LABORATOIRE LEON BRILLOUIN	mise à jour : 26/07/05
	Rapport d'activité 2003-2004 (partiel)	© CEA-CNRS 2005