Search Results - "Lelong, Gérald"

Lithium Borates from the Glass to the Melt: A Temperature-Induced Structural Transformation Viewed from the Boron and Oxygen Atoms by Lelong, Gérald, Cormier, Laurent, Hennet, Louis, Michel, Florent, Rueff, Jean-Pascal, Ablett, James M, Monaco, Giulio

“…A multiedge study of the local structure of lithium borate glasses and melts has been carried out using X-ray Raman scattering (XRS) as a function of…”
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Crystal Structures of Li6B4O9 and Li3B11O18 and Application of the Dimensional Reduction Formalism to Lithium Borates by Rousse, Gwenaëlle, Baptiste, Benoît, Lelong, Gérald

“…The crystal structures of two members of the Li2O–B2O3 phase diagram, Li6B4O9 and Li3B11O18, have been solved from single-crystal X-ray diffraction, and their…”
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Near-infrared study of radiation damage in cerium dioxide by Costantini, Jean-Marc, Guillaumet, Maxime, Lelong, Gérald, Seo, Pooreun, Yasuda, Kazuhiro

“…Radiation damage is studied in electron-irradiated cerium dioxide (CeO2) single crystals. Near Infra-red (NIR) spectra are recorded at room temperature between…”
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Temperature Dependent near Infrared Spectroscopy of Electron Irradiated Ceria Single Crystals by Costantini, Jean-Marc, Béneut, Keevin, Guillaumet, Maxime, Lelong, Gérald

“…The FTIR absorption bands of virgin and electron-irradiated CeO single crystals were measured from 20 K to 500 K between 4000 cm and 12,000 cm (~830 nm to 2500…”
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Speciation Change of Uranyl in Lithium Borate Glasses by Hunault, Myrtille O. J. Y, Lelong, Gérald, Cormier, Laurent, Galoisy, Laurence, Solari, Pier-Lorenzo, Calas, Georges

“…Determining the uranyl­(VI) UO2 2+ reactivity in crystalline and amorphous oxides is necessary to control its mobility. The intrinsic versatility of borate…”
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Diluted Fe3+ in silicate glasses: Structural effects of Fe-redox state and matrix composition. An optical absorption and X-band/Q-band EPR study by Vercamer, Vincent, Lelong, Gérald, Hijiya, Hiroyuki, Kondo, Yuki, Galoisy, Laurence, Calas, Georges

“…Sodium-alkaline earth-silicate glasses, of nominal molar composition 16Na2O–10RO–74SiO2 (R=Ca, (Ca,Mg) and Mg) doped with 0.5wt.% of Fe2O3, were studied by…”
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Structural significance of nickel sites in aluminosilicate glasses by Kado, Rikiya, Kishi, Tetsuo, Lelong, Gérald, Galoisy, Laurence, Matsumura, Daiju, Calas, Georges, Yano, Tetsuji

“…•Aluminosilicate glasses containing Ni were studied by spectroscopic techniques.•The proportion of [4]Ni2+ was quantified from optical absorption…”
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Charge-driven arrested phase-separation of polyelectrolyte-gold nanoparticle assemblies leading to plasmonic oligomers by Voisin, Florent, Lelong, Gérald, Guigner, Jean Michel, Bizien, Thomas, Mallet, Jean Maurice, Carn, Florent

“…[Display omitted] Aggregates of charged metal particles obtained by electrostatic coupling with a compound of opposite charge in the vicinity of the net zero…”
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Structure from glass to melt: a case study along the MgSiO3-CaSiO3 join using neutron and X-ray diffraction by Cormier, Laurent, Hennet, Louis, Lelong, Gérald, Cuello, Gabriel, Bytchkov, Aleksei

“…Glass and melt structures are inherently complex and disordered with significant changes expected to occur with temperature. In the present paper, a comparison…”
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Lithium borate crystals and glasses: How similar are they? A non-resonant inelastic X-ray scattering study around the B and O K-edges by Lelong, Gérald, Cormier, Laurent, Hennet, Louis, Michel, Florent, Rueff, Jean-Pascal, Ablett, James M., Monaco, Giulio

“…The local environment of lithium borate glasses and their crystalline counterparts is investigated using non-resonant inelastic X-ray scattering (NRIXS) at…”
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Effect of cation field strength on Co2+ speciation in alkali-borate glasses by Hunault, Myrtille O.J.Y., Galoisy, Laurence, Lelong, Gérald, Newville, Matt, Calas, Georges

“…The speciation of Co2+ in alkali (Li, Na, K) borate glasses is investigated by combining optical and X-ray absorption spectroscopy. The glass color is directly…”
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Local Ordering Around Tetrahedral Co2+ in Silicate Glasses by Hunault, Myrtille, Calas, Georges, Galoisy, Laurence, Lelong, Gérald, Newville, Matthew

“…Alkali lime silicate glasses containing 5 wt% of CoO were investigated by Co K‐edge XANES and EXAFS and optical absorption spectroscopy. Our results reveal the…”
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Radiation damage in ion-irradiated CeO2 and (Ce, Gd)O2 sinters: Effect of the Gd content by Costantini, Jean-Marc, Gutierrez, Gaëlle, Lelong, Gérald, Guillaumet, Maxime, Seo, Pooreun, Yasuda, Kazuhiro

“…The radiation damage induced in cerium dioxide CeO2 and cerium-gadolinium mixed oxides (Ce, Gd)O2-x was studied by micro-Raman spectroscopy and diffuse…”
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Effect of Surfactant Concentration on the Morphology and Texture of MCM-41 Materials by Lelong, Gérald, Bhattacharyya, Sanjib, Kline, Steve, Cacciaguerra, Thomas, Gonzalez, Miguel A, Saboungi, Marie-Louise

“…Using a simple route for preparing uniform spherical mesoporous MCM-41 materials based on a one-step synthesis in an all-water medium, we have investigated the…”
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Damage induced in garnets by heavy ion irradiations: a study by optical spectroscopies by Costantini, Jean-Marc, Miro, Sandrine, Lelong, Gérald, Guillaumet, Maxime, Toulemonde, Marcel

“…The damage induced by heavy-ion irradiation has been studied in yttrium iron garnet (Y 3 Fe 5 O 12 or YIG) films, doped with Ca, Tb and Tm, grown by…”
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Molecular Dynamics and Neutron Scattering Study of Glucose Solutions Confined in MCM-41 by Lerbret, Adrien, Lelong, Gérald, Mason, Philip E, Saboungi, Marie-Louise, Brady, John W

“…Glucose aqueous solutions confined in MCM-41 cylindrical pores of diameter 3.2 nm have been studied by molecular dynamics (MD) simulations and quasielastic…”
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Flash Colloidal Gold Nanoparticle Assembly in a Milli Flow System: Implications for Thermoplasmonic and for the Amplification of Optical Signals by Voisin, Florent, Lelong, Gérald, Guigner, Jean-Michel, Bizien, Thomas, Mallet, Jean-Maurice, Carn, Florent

“…The assembly and stabilization of a finite number of nanocrystals in contact in water could maximize the optical absorption per unit of the material. Some…”
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Colour centre recovery in yttria-stabilised zirconia: photo-induced versus thermal processes by Costantini, Jean-Marc, Touati, Nadia, Binet, Laurent, Lelong, Gérald, Guillaumet, Maxime, Beuneu, François

“…The photo-annealing of colour centres in yttria-stabilized zirconia (YSZ) was studied by electron paramagnetic resonance spectroscopy upon UV-ray or laser…”
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Assessment of Transition Element Speciation in Glasses Using a Portable Transmission Ultraviolet–Visible–Near-Infrared (UV-Vis-NIR) Spectrometer by Hunault, Myrtille, Lelong, Gérald, Gauthier, Michel, Gélébart, Frédéric, Ismael, Saindou, Galoisy, Laurence, Bauchau, Fanny, Loisel, Claudine, Calas, Georges

“…A new low-cost experimental setup based on two compact dispersive optical spectrometers has been developed to measure optical absorption transmission spectra…”
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Translational and Rotational Dynamics of Monosaccharide Solutions by Lelong, Gérald, Howells, W. Spencer, Brady, John W, Talón, César, Price, David L, Saboungi, Marie-Louise

“…Molecular dynamics computer simulations have been carried out on aqueous solutions of glucose at concentrations bracketing those previously measured with…”
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