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SILICON ROUGHNESS INDUCED BY PLASMA ETCHING
A parametric study of single‐crystal silicon roughness induced by an SF6 plasma has been carried out by means of atomic force microscopy. An helicon source (also called resonant inductive plasma… Expand
Anomalous diffusion mediated by atom deposition into a porous substrate.
- P. Brault, C. Josserand, J. Bauchire, A. Caillard, C. Charles, R. Boswell
- Materials Science, Physics
- Physical review letters
- 29 January 2009
Constant flux atom deposition into a porous medium is shown to generate a dense overlayer and a diffusion profile. Scaling analysis shows that the overlayer acts as a dynamic control for atomic… Expand
Plasma based platinum nanoaggregates deposited on carbon nanofibers improve fuel cell efficiency
- A. Caillard, C. Charles, R. Boswell, P. Brault, C. Coutanceau
- Physics
- 1 June 2007
One of the authors A.C. gratefully acknowledges ARC
Australian Research Network for Advanced Materials,
CNRS GDR-I “Plasmas” and ANU for financial support.
Mathematical Modeling of a Solid Oxide Fuel Cell with Nearly Spherical-Shaped Electrode Particles
- Penyarat Chinda, Somchai Chanchaona, P. Brault, W. Wechsatol
- Materials Science
- 1 October 2010
A micro-scale model of a Solid Oxide Fuel Cell (SOFC) involving electrochemical reactions and mass transport behaviors throughout electrodes packed with nearly spherical-shaped particles was… Expand
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Molecular dynamics for low temperature plasma?surface interaction studies
The mechanisms of physical and chemical interactions of low temperature plasmas with surfaces can be fruitfully explored using molecular dynamics (MD) simulations. MD simulations follow the detailed… Expand
Thermal stability of AlCoCrCuFeNi high entropy alloy thin films studied by in-situ XRD analysis
- V. Dolique, A. Thomann, P. Brault, Y. Tessier, P. Gillon
- Materials Science
- 15 March 2010
High entropy alloys (HEAs), containing five to thirteen metallic elements, with a concentration in the range of 5 to 35 % for each element, exhibit very interesting properties (mechanical,… Expand
Performance of plasma sputtered fuel cell electrodes with ultra-low Pt loadings
- M. Cavarroc, A. Ennadjaoui, +7 authors C. Coutanceau
- Materials Science
- 1 April 2009
Abstract Ultra-low Pt content PEMFC electrodes have been manufactured using magnetron co-sputtering of carbon and platinum on a commercial E-Tek ® uncatalyzed gas diffusion layer in plasma fuel cell… Expand
Percolative growth of palladium ultrathin films deposited by plasma sputtering
- P. Brault, A. Thomann, C. Andreazza-Vignolle
- Materials Science
- 31 May 1998
Palladium ultrathin films have been deposited by a plasma sputtering technique. In a first step, small particles (mean diameter d<3nm). homogeneously distributed on amorphous carbon membrane… Expand
Plasma sputtering deposition of platinum into porous fuel cell electrodes
- P. Brault, A. Caillard, +6 authors T. Sauvage
- Materials Science
- 21 December 2004
Platinum is deposited into porous carbon materials relevant for fuel cell electrodes using plasma sputtering techniques. The resulting platinum concentration profile extends up to 2 µm into the… Expand
High Performance plasma sputtered PdPt fuel cell electrodes with ultra low loading
- M. Mougenot, A. Caillard, P. Brault, S. Baranton, C. Coutanceau
- Chemistry, Materials Science
- 1 July 2011
Abstract A PdPt (10 wt% Pt) catalyst is used to replace platinum at the cathode of a proton exchange membrane fuel cell membrane electrode assembly (PEMFC MEA) whereas pure palladium is used as the… Expand