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LLB Sientific Report 2001-2002

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Director's Report
Structures and phase transitions Header Observation of the Dynamical Structure arising from Spatially Extended Quantum Entanglement and Long-Lived Quantum Coherence in the KHCO3 crystal Anomalous Pressure Dependence of Acoustic Phonons of AgGaSe2 Investigated by Inelastic Neutron Scattering to 4.3GPa One-dimensional Stress-Strain Experiment inside an Aperiodic Inclusion Single Crystal Neutron Diffraction Experiments on the modulated structure of SrxBa1-xNb2O6 Relationship between chemical composition and magnetic order in the Ce-Ni-Ge system Fluoroterbates: crystal structures and magnetic properties A new interpretation of the CO state in half-doped manganites: the ordering of Zener polarons Pressure Induced Crystallization of a Spin Liquid	Magnetism and superconductivity Header Magnetic resonant mode in the single-layer high temperature superconductor Tl2Ba2CuO6+d Complex 2D Magnetic Correlations in Manganites studied by SANS Magnetic spectral response in the Kondo insulator YbB12 Partial order in an itinerant electron magnet Using hot neutrons to spot small sources of magnetic anisotropy Photoinduced molecular switching studied by polarised neutron diffraction Creation and observation of polarisation domains: A new tool in SANS Polarised neutron reflectometry for GMR sensors optimization Spin-wave in layers and heterostructures Polarized grazing incidence diffraction as an option on EROS for the study of thin magnetic films
Materials science Header Elastoplastic model applied to the evaluation of residual stresses in metal matrix composites Residual strains and crystallographic textures in natural quartzites : towards an understanding of the thermomechanical history of rocks Heterogeneity of residual strains in plastically deformed zirconium alloys Irradiation-induced hardening of martensitic steels candidates for future generation nuclear reactors	Liquid and disordered systems Header Elementary excitations of liquid 4He in confinement Structural relaxation in supercooled Selenium Phase separation of a binary liquid system in controlled-pore glass Structural changes in sulphur-rich binary glasses Local structure and glass transition of polybutadiene up to 4Gpa
Soft matter and biomaterials Header Self-assembly of peptide-based diblock rodcoil copolymers : from micelles and vesicles to nanocapsules Synthesis of insulated molecular wire: Conformation of a polyrotaxane (semi-conducting-polymers complexed inside sheaths of cyclodextrins) : Determination of the mass and the number of cyclodextrins per dimer Micelles counterions complexation by macrocyclic ligands Extrusion of vesicles through calibrated pores Water profile determination in a running PEMFC by small-angle neutron scattering Plectonemic structure of topologically constrained, supercoiled DNA Ionic strength dependence of the persistence length of a natural model semirigid polyelectrolyte : agreement with the OSF model	Life sciences Header First stage of growth of lignin films on a solid surface Refolding of a high molecular weight protein : salt effect on collapse Measurement of the isothermal compressibility of hydrated myoglobin by small-angle neutron scattering In-vitro and in-vivo Diffusion of proteins in crowded solutions Influence of hydration and cation binding on parvalbumin dynamics Radiolysis of DNA and proteins by heavy particles generated by the nuclear reaction 10B(n, a)7Li. A study at the molecular level of boron neutron capture enhancement of fast neutron radiotherapy
Modelling Header A nonadiabatic theory for ultrafast catalytic transfer of electrons at low temperature Interpretation of complex SANS spectra : contribution of numerical simulations Molecular dynamics simulation and neutron scattering from proteins A new tool for the simulation of reflectivity measurements Crystallographic imaging using maximum entropy Simbo and Enermag: two computing programs for analysing the topology of exchange interactions and the classical magnetic energy	Technical and instrumental developments Header Fresnel Zone Plates for imaging and focusing neutrons Cap 2010
Experimental Programme and User Activities Publications

	LABORATOIRE LEON BRILLOUIN	mise à jour : 26/02/03
	Rapport d'activité 2001-2003 (partiel)	© CEA-CNRS 2003