CNRS – TechConnect Briefs

Simulation of the suspension structure for the improve of colloidal processes

Cerbelaud M., Videcoq A., Lestriez B., Guyomard D., Ferrando R., CNRS, FR

Colloidal processes are used in many fields of applications to produce multi-material components with specific microstructures. Here, controlling the structure of colloidal suspensions is crucial in order to reliably adapt the suspension rheology to the [...]

Nano-oxyhydride catalysts for hydrogen production from bioethanol at room temperature

Jalowiecki-Duhamel L., CNRS, FR

H2 economy could be clean and sustainable only if it is produced from renewable sources and bioethanol obtained through biomass is a promising renewable source of hydrogen. Well tuning the preparation, formulation and conditions applied, [...]

Simulation of the suspension structure for the improve of colloidal processes

Cerbelaud M., Videcoq A., Lestriez B., Guyomard D., Ferrando R., CNRS, FR

Colloidal processes are used in many fields of applications to produce multi-material components with specific microstructures. Here, controlling the structure of colloidal suspensions is crucial in order to reliably adapt the suspension rheology to the [...]

Organometallic Ruthenium Nanoparticles as a Model of study for Fischer-Tropsch Synthesis Reaction

Martinez-Prieto L.M., Philippot K., Chaudret B., CNRS, FR

The development of more active and/or selective catalysts for industrial application of the Fischer Tropsch Synthesis (FTS) process is still an ongoing field of research.In this context, Ru nanoparticles that are expected to provide more [...]

Organometallic Ruthenium Nanoparticles as a Model of study for Fischer-Tropsch Synthesis Reaction

Martinez-Prieto L.M., Philippot K., Chaudret B., CNRS, FR

The development of more active and/or selective catalysts for industrial application of the Fischer Tropsch Synthesis (FTS) process is still an ongoing field of research.In this context, Ru nanoparticles that are expected to provide more [...]

Role of the carbon nanocoating on the electronic conductivity of LiFePO4 based electrodes for lithium ion batteries

Badot J.C., Seid K.A., Dubrunfaut O., Levasseur S., Lestriez B., Guyomard D., CNRS, FR

Recently, we used the broadband dielectric spectroscopy (BDS), from low (a few Hz) to microwave (a few GHz) frequencies. This technique is very sensitive to the different scales of the electrode architecture involved in the [...]

Nanostructured Metals Synthesized in Swollen Liquid Crystals

Surendran G., Ramos L., Prouzet E., Remita H., CNRS, FR

We have developed a flexible approach for the preparation of nanostructured materials using swollen liquid cristals (SLCs) that exhibit hexagonal, cubic or lamellar symmetry as soft templates.Hexagonal SLCs consist in a regular packing of infinite [...]

An Analytical Subthreshold Current Model for Ballistic Double-Gate MOSFETs

Autran J-L, Munteanu D., Tintori O., Aubert M., Decarre E., CNRS, FR

An analytical subthreshold model of ultra-thin double-gate MOSFETs working in the ballistic regime is presented. The present approach captures the essential physics of such ultimate DG devices (quantum confinement, thermionic current) and introduces two main [...]

Quantum-Mechanical Analytical Modeling of Threshold Voltage in Long-Channel Double-Gate MOSFET with Symmetric and Asymmetric Gates

Autran J-L, Munteanu D., Tintori O., Harrison S., Decarre E., Skotnicki T., CNRS, FR

A quantum-mechanical fully analytical model of the threshold voltage for long-channel Double-Gate MOSFETs has been developed. This model is based on analytical solutions for the decoupled Poisson and Schrödinger equations in the silicon film. The [...]

Energy-Band Structure of Strained Indirect Gap Semiconductor: A k . p Method

Cavassilas N., Aniel F., Fishman G., CNRS, FR

A strain Hamiltonian Hst, associated with a sps* k.p Hamiltonian Hkp is used to descibe the valence band and the first two conduction bands of a strained indirect semiconductor. Hst takes into accoutn the Bir-Pikus [...]