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Thème : Nanomatériaux fonctionnels
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Ultrastable phonon frequencies in α -quartz-type BPO 4 at high temperature  Auteur(s): Le Parc R., Buixaderas E., Levelut C., Hermet P., Pereira A., Cambon O., Roiland C., Simon P., Haines J. (Article) Publié: Applied Physics Letters, vol. 115 p.141902 (2019) |
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Multiscale Mechanistic Study of the Adsorption of Methyl Orange on the External Surface of Layered Double Hydroxide Auteur(s): Gregoire Brian, Bantignies J.-L., Le Parc R., PRELOT Benedicte, Zajac Jerzy, Layrac Géraldine, Tichit Didier, Martin-Gassin Gaelle (Article) Publié: The Journal Of Physical Chemistry C, vol. 123 p.22212-22220 (2019) |
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In Situ Vibrational Probes of Epoxy Gelation Auteur(s): Granado Lérys, Kempa Stefan, Gregoriades Laurence John, Brüning Frank, Genix A.-C., Fréty Nicole, Anglaret E., Bantignies J.-L. (Article) Publié: Acs Macro Letters, vol. 8 p.984-988 (2019) |
Structuring of Self-Assembled Hybrid Silicas : Mechanistic Studies
Involved researchers : J-L. Bantignies, Ph. Dieudonné, C. Blanc, J-L. Sauvajol (Collaboration M. Wong Chi Man - ENSCM Montpellier, G. Creff - Synchrotron Soleil)
This activity has been (...)
Phase transitions and pressure-induced amorphization of GeTe-Sb2Te3 compounds, which are used as phase-change optical memories (DVD)
Those materials are used as rewritable DVD due to their quick and reversible crystal/amorphous transition, under a laser pulse. We have demonstrated that pressure is an important A written bit (...)
Density fluctuations in glasses, investigation through small angle X-ray scattering
The amplitude of density fluctuations in a glass strongly depends on its thermal history, a glass frozen at high temperature is significantly more disordered than a glass with the same (...)
Origin of hypersonic sound wave attenuation in silica and porous silica (vycor, xérogels)
Evidence of a relaxation peak at low temperature due to impurities ; evidence of a geometric scattering contribution by disorder at the nanometer scale. Competition between anharmonicity and (...)
Pressure-induced amorphisation of negative thermal expansion (NTE) compounds : cyanides and zéolites
Involved researchers : C.Levelut, J-L. Bantignies, collaboration ICG
Those nanoporous materials exhibit the pressure-induced amorphization (PIA) phenomenon. Both phenomena, NTE and PIA, seem to (...)
Modeling of optimal sorbents for hydrogen, natural gas and green house gases
Practical implementation of hydrogen fuel in automotive applications is still impeded by the lack of efficient, economical, light and save storage medium. Even the best candidates, nanoporous (...)
Towards simulations of biological systems
The quality of the results of computer simulations of any real system depends on the quality of force fields of the theoretical model. This becomes critically important when modeling large (...)
New Bio-inspired Membrane made of a Biological Ion Channel confined into the Cylindrical Nanopore of a Solid-State Polymer
Recent advances in membrane sciences allow us the use of membranes in many fields such as food and agriculture, potable water production, industrial water treatment and biotechnology. Among the (...)
Ions and Molecules in Micro and Mesoporous Materials
Involved researchers : Lydie Berardo, François Henn, Vincent Jourdain, Mohamed Kharroubi
Many micro and mesoporous materials possess internal surface partly covered with ions that neutralize the (...)
Materials for Rechargeable Battery
Participants L2C : Laurent Alvarez, Jean-Louis Bantignies, Laure Gourrier , François Henn, Patrick Hermet, Thierry Michel et Matthieu Paillet
Contrats : ANR ANZAS (programme Stock-E) 2009-2011. (...)
