Search Results - "Beuvier, Thomas"

Accurate Methods for Quantifying the Relative Ratio of Anatase and TiO2(B) Nanoparticles by Beuvier, Thomas, Richard-Plouet, Mireille, Brohan, Luc

“…Nanoparticles of TiO2 crystallizing as anatase and TiO2(B) phases with different ratios were synthesized by a three step treatment including an initial reflux…”
Get full text

Stability of Polymer Ultrathin Films (<7 nm) Made by a Top-Down Approach by Bal, Jayanta Kumar, Beuvier, Thomas, Unni, Aparna Beena, Chavez Panduro, Elvia Anabela, Vignaud, Guillaume, Delorme, Nicolas, Chebil, Mohamed Souheib, Grohens, Yves, Gibaud, Alain

“…In polymer physics, the dewetting of spin-coated polystyrene ultrathin films on silicon remains mysterious. By adopting a simple top-down method based on good…”
Get full text

Self-transformation of solid CaCO3 microspheres into core-shell and hollow hierarchical structures revealed by coherent X-ray diffraction imaging by Beuvier, Thomas, Chushkin, Yuriy, Zontone, Federico, Gibaud, Alain, Cherkas, Oxana, Da Silva, Julio, Snigireva, Irina

“…The self-transformation of solid microspheres into complex core-shell and hollow architectures cannot be explained by classical Ostwald ripening alone. Here,…”
Get full text

Ternary Morphological Diagram for Nano(tube−ribbon−sphere) Sodium Titanate Deduced from Raman Spectra Analysis by Beuvier, Thomas, Richard-Plouet, Mireille, Brohan, Luc

“…In this study, sodium hydroxo titanates were synthesized using the reflux process in an alkaline medium. Three distinct morphologies were obtained, nanotubes…”
Get full text

Accurate Methods for Quantifying the Relative Ratio of Anatase and TiO 2 (B) Nanoparticles by Beuvier, Thomas, Richard-Plouet, Mireille, Brohan, Luc

Get full text

TiO2(B) Nanoribbons As Negative Electrode Material for Lithium Ion Batteries with High Rate Performance by Beuvier, Thomas, Richard-Plouet, Mireille, Mancini-Le Granvalet, Maryline, Brousse, Thierry, Crosnier, Olivier, Brohan, Luc

“…Nanosized TiO2(B) has been investigated as a possible candidate to replace Li4Ti5O12 or graphite as the negative electrode for a Li-ion battery. Nanoribbon…”
Get full text

Dynamics of calcium carbonate formation: Geochemical modeling of a two-step mechanism by Lassin, Arnault, André, Laurent, Devau, Nicolas, Lach, Adeline, Beuvier, Thomas, Gibaud, Alain, Gaboreau, Stéphane, Azaroual, Mohamed

“…A new kinetic model was developed based on a transition-state-theory (TST)/surface-complexation-model (SCM) coupling. It aims to describe the successive…”
Get full text

Reversibility in glass transition behavior after erasing stress induced by spin coating process by Chebil, Mohamed Souheib, Vignaud, Guillaume, Bal, Jayanta Kumar, Beuvier, Thomas, Delorme, Nicolas, Grohens, Yves, Gibaud, Alain

“…The influence of the sample preparation on the observed dependence of glass transition temperature (Tg) with thickness in polystyrene (PS) thin films has been…”
Get full text

Self-transformation of solid [CaCO.sub.3] microspheres into core-shell and hollow hierarchical structures revealed by coherent X-ray diffraction imaging by Beuvier, Thomas, Chushkin, Yuriy, Zontone, Federico, Gibaud, Alain, Cherkas, Oxana, Silvab, Julio Da, Snigireva, Irina

“…The self-transformation of solid microspheres into complex core-shell and hollow architectures cannot be explained by classical Ostwald ripening alone. Here,…”
Get full text

Self-transformation of solid CaCO 3 microspheres into core-shell and hollow hierarchical structures revealed by coherent X-ray diffraction imaging by Beuvier, Thomas, Chushkin, Yuriy, Zontone, Federico, Gibaud, Alain, Cherkas, Oxana, Da Silva, Julio, Snigireva, Irina

“…The self-transformation of solid microspheres into complex core-shell and hollow architectures cannot be explained by classical Ostwald ripening alone. Here,…”
Get full text

X-ray nanotomography of coccolithophores reveals that coccolith mass and segment number correlate with grid size by Beuvier, T., Probert, I., Beaufort, L., Suchéras-Marx, B., Chushkin, Y., Zontone, F., Gibaud, A.

“…Coccolithophores of the Noëlaerhabdaceae family are covered by imbricated coccoliths, each composed of multiple calcite crystals radially distributed around…”
Get full text

Comparative study on nanostructured order–disorder in the wing eyespots of the giant owl butterfly, Caligo memnon by Sackey, Juliet, Berthier, Serge, Maaza, Malik, Beuvier, Thomas, Gibaud, Alain

“…A characteristic feature of the giant owl butterfly, i.e. Caligo memnon, is its big wing eyespot. This feature could serve as deceiving functionality for the…”
Get full text

Densification and Depression in Glass Transition Temperature in Polystyrene Thin Films by Vignaud, G, S. Chebil, M, Bal, J. K, Delorme, N, Beuvier, T, Grohens, Y, Gibaud, A

“…Ellipsometry and X-ray reflectivity were used to characterize the mass density and the glass transition temperature of supported polystyrene (PS) thin films as…”
Get full text

Synthesis and characterization of CaCO3-biopolymer hybrid nanoporous microparticles for controlled release of doxorubicin by Bosio, Valeria E, Cacicedo, Maximiliano L, Calvignac, Brice, León, Ignacio, Beuvier, Thomas, Boury, Frank, Castro, Guillermo R

“…Doxorubicin (Dox) is a hydrophilic drug extensively used for treatment of breast, lung, and ovarian cancer, among others; it is highly toxic and can cause…”
Get full text

Swelling of Poly(n‑butyl methacrylate) Films Exposed to Supercritical Carbon Dioxide: A Comparative Study with Polystyrene by Bal, Jayanta Kumar, Beuvier, Thomas, Vignaud, Guillaume, Chebil, Mohamed Souheib, Ben-Jabrallah, Soumaya, Ahmed, Ikbal, Grohens, Yves, Gibaud, Alain

“…We report here the swelling and relaxation properties of confined poly­(n-butyl methacrylate) (PBMA) films having thicknesses of less than 70 nm under…”
Get full text

Quantification of the Dissolved Inorganic Carbon Species and of the pH of Alkaline Solutions Exposed to CO 2 under Pressure: A Novel Approach by Raman Scattering by Beuvier, Thomas, Calvignac, Brice, Bardeau, Jean-François, Bulou, Alain, Boury, Frank, Gibaud, Alain

“…Dissolved inorganic carbon (DIC) content of aqueous systems is a key function of the pH, of the total alkanility (TA), and of the partial pressure of CO2…”
Get full text

Direct Observation of Microparticle Porosity Changes in Solid-State Vaterite to Calcite Transformation by Coherent X‑ray Diffraction Imaging by Cherkas, O, Beuvier, T, Breiby, Dag W, Chushkin, Y, Zontone, F, Gibaud, A

“…The simplest route to synthesize porous calcium carbonate in large quantity is to mix concentrated aqueous solutions containing Ca2+ and CO3 2– ions. The…”
Get full text

Synchrotron X‑ray In Situ Tomography of Thermally Induced Phase Separation of Polylactic Acid in 1,4-Dioxane Solution by Gay, Swann, Calvignac, Brice, Kamtcheu, Landry Ouanssi, Beuvier, Thomas, Boller, Elodie, Sauceau, Martial, Confetto, Sylvie Del, Boury, Frank, Gibaud, Alain

“…We report here the investigation by X-ray in situ tomography of the thermally induced phase separation under cooling of two kinds of polymer solutions: a…”
Get full text

Probing the Density Variation of Confined Polymer Thin Films via Simple Model-Independent Nanoparticle Adsorption by Unni, A. Beena, Vignaud, G, Chapel, J. P, Giermanska, J, Bal, J. K, Delorme, N, Beuvier, T, Thomas, S, Grohens, Y, Gibaud, A

“…After more than 2 decades of intense research, the density variation in confined polymer films still remains a puzzling problem subject to controversy as the…”
Get full text

Solvent Assisted Rinsing: Stability/Instability of Ultrathin Polymer Residual Layer by Beena Unni, A, Vignaud, G, Bal, J. K, Delorme, N, Beuvier, T, Thomas, S, Grohens, Y, Gibaud, A

“…In the field of miniaturized devices one of the basic but unreciprocated problems is the instability induced dewetting in polymer thin films. The significance…”
Get full text