Search Results - "Bechu, S."

Negative ion source development for a photoneutralization based neutral beam system for future fusion reactors by Simonin, A, Agnello, R, Bechu, S, Bernard, J M, Blondel, C, Boeuf, J P, Bresteau, D, Cartry, G, Chaibi, W, Drag, C, Duval, B P, de Esch, H P L, Fubiani, G, Furno, I, Grand, C, Guittienne, Ph, Howling, A, Jacquier, R, Marini, C, Morgal, I

“…In parallel to the developments dedicated to the ITER neutral beam (NB) system, CEA-IRFM with laboratories in France and Switzerland are studying the…”
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Emission spectroscopy of a dipolar plasma source in hydrogen under low pressures by Shakhatov, V. A., Lebedev, Yu. A., Lacoste, A., Bechu, S.

“…Low-temperature hydrogen plasma has been investigated under the conditions of electron cyclotron resonance by emission spectroscopy. The molecular distribution…”
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Effect of Highly Ordered Pyrolytic Graphite Surfaces on the Production of H⁻ Negative Ions in ECR-Driven Plasmas by Bentounes, J., Bechu, S., Svarnas, P., Bes, A., Fombaron, D., Bonny, L., Lacoste, A.

“…The use of Cs in neutral beam injection (NBI) systems for international tokamak experimental reactor (ITER) and DEMO tokamaks to reduce the work function of…”
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Latest experimental and theoretical advances in the production of negative ions in caesium-free plasmas by Taccogna, F., Bechu, S., Aanesland, A., Agostinetti, P., Agnello, R., Aleiferis, S., Angot, T., Antoni, V., Bacal, M., Barbisan, M., Bentounes, J., Bès, A., Capitelli, M., Cartry, G., Cavenago, M., Celiberto, R., Chitarin, G., Delogu, R., De Lorenzi, A., Esposito, F., Fadone, M., Ferron, N., Fubiani, G., Furno, I., Gavilan, L., Guittienne, P., Howling, A., Jacquier, R., Laricchiuta, A., Layet, J. M., Lemaire, J. L., Longo, S., Maurice, B., Minelli, P., Minissale, M., Mitrou, M., Moussaoui, R., Pimazzoni, A., Poggi, C., Rafalskyi, D., Salomon, E., Sartori, E., Sasao, M., Serianni, G., Spada, E., Suweis, S., Svarnas, P., Tahri, L., Ugoletti, M., Variale, V., Veltri, P.

“…This topical review gathers the last updates concerning caesium-free negative ion sources presented during the 63 rd Course of the International school of…”
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Stoichiometry loss induced by ionic bombardment of InP surfaces: A challenge for electrochemistry combined with XPS by Béchu, S., Aureau, D., Vigneron, J., Gonçalves, A-M., Frégnaux, M., Bouttemy, M., Etcheberry, A.

“…•Oxidized metallic In-enriched layer on InP detected by electrochemistry and XPS.•Synergy of electrochemistry and XPS analyses to investigate surface…”
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Plasma properties of the cybele negative ion source for fusion applications: PIC simulations and experiments by Boeuf, J. P., Fubiani, G., Bechu, S., Garibaldi, P., Grand, C., Simonin, A.

“…Summary form only given. Neutral beam injection (NBI) is an essential part of the initial plasma heating that is necessary for fusion reactors to enter in the…”
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Multi-dipolar plasmas for plasma-based ion implantation and plasma-based ion implantation and deposition by Béchu, S., Maulat, O., Arnal, Y., Vempaire, D., Lacoste, A., Pelletier, J.

“…The use of distributed electron cyclotron resonance (DECR) plasma sources for plasma-based ion implantation (PBII) presents limitations in terms of plasma…”
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MgH2 thin films deposited by one-step reactive plasma sputtering by Le-Quoc, H., Lacoste, A., Miraglia, S., Béchu, S., Bès, A., Laversenne, L.

“…The morphology, crystal structure, hydrogen content, and sorption properties of magnesium hydride thin films prepared by reactive plasma-assisted sputter…”
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Direct measurements of electronic ground state ro-vibrationally excited D$_2$ molecules produced on ECR plasma-facing materials by means of VUV-FT absorption spectroscopy by Béchu, S., Lemaire, J.L., Gavilan, L., Aleiferis, S., Shakhatov, V., Lebedev, Yu.A., Fombaron, D., Bonny, L., Menu, J., Bès, A., Svarnas, P., de Oliveira, N.

“…Ro-vibrationally excited molecules of deuterium are involved in non-equilibrium chemical reactions in divertor region of tokamak (see molecular assisted…”
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Detection of rovibrationally excited molecular hydrogen in the electronic ground state via synchrotron radiation by Béchu, S., Aleiferis, S., Bentounes, J., Gavilan, L., Shakhatov, V. A., Bès, A., Svarnas, P., Mazouffre, S., de Oliviera, N., Engeln, R., Lemaire, J. L.

“…We describe an original setup named SCHEME (Source of exCited HydrogEn MolEcules) designed to study the recombinative desorption mechanisms of H atoms on a…”
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Plasma-based ion implantation of oxygen in stainless steel: influence of ion energy and dose by Lacoste, A, Béchu, S, Arnal, Y, Pelletier, J, Gouttebaron, R

“…Implantation of oxygen in stainless steel (15% Cr) via plasma-based ion implantation in a distributed ECR plasma reactor has been studied as functions of ion…”
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Deposition of thin films of Mg2Si1−xSnx solid solution by plasma-assisted co-sputtering by Le-Quoc, H., Lacoste, A., Béchu, S., Bès, A., Bourgault, D., Fruchart, D.

“…► Deposition and structural characterization of Ag-doped Mg2Si1−xSnx thin films. ► Polycrystalline films of Mg2Si1−xSnx solid solutions formed at room…”
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Thermoelectric properties of thin films of Sb doped Mg2Si1−xSnx solid solutions by Le-Quoc, H., Béchu, S., Populoh, S., Weidenkaff, A., Lacoste, A.

“…► Deposition and thermoelectric properties of Mg2Si1−xSnx films doped with Sb. ► Films stoichiometry and doping controlled by bias voltage of individual…”
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Ca/Alq3 hybrid cathode buffer layer for the optimization of organic solar cells based on a planar heterojunction by El Jouad, Z., Barkat, L., Stephant, N., Cattin, L., Hamzaoui, N., Khelil, A., Ghamnia, M., Addou, M., Morsli, M., Béchu, S., Cabanetos, C., Richard-Plouet, M., Blanchard, P., Bernède, J.C.

“…Use of efficient anode cathode buffer layer (CBL) is crucial to improve the efficiency of organic photovoltaic cells. Here we show that using a double CBL,…”
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MgH 2 thin films deposited by one-step reactive plasma sputtering by Le-Quoc, H., Lacoste, A., Miraglia, S., Béchu, S., Bès, A., Laversenne, L.

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Homogeneity characterization of a large microwave plasma by Béchu, S., Boisse-Laporte, C., Leprince, P., Marec, J.

“…Microwave plasma reactor without magnetic field has been designed for large surface treatment or deposition. Using the surfaguide principle, a 2.45 GHz wave is…”
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Risk factors for treatment failure in scabies: a cohort study by Aussy, A., Houivet, E., Hébert, V., Colas‐Cailleux, H., Laaengh, N., Richard, C., Ouvry, M., Boulard, C., Léger, S., Litrowski, N., Benichou, J., Joly, P., Bechu, S., Mion‐Mouton, N., Lafaurie, O., Barrel, A., Pulluard, M., Hamel, V., Dore, M.X., Duflo, E., Lardans‐Cassius, S., Rzeznik, J.C., Baricault, S.

“…Summary Background Treatment failure, which occurs in about one‐third of cases, is considered as a major factor in the increasing incidence of scabies in…”
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Bulk and thin films of magnetic shape memory Ni–Mn–Ga alloys deposited by multi-dipolar plasma-assisted sputtering by Girard, G., Béchu, S., Caillault, N., Carbone, L., Ortega, L., Fruchart, D.

“…Ni–Mn–Ga alloys of Heusler type, with potential magnetic shape memory properties, were synthesized as bulk materials. They were characterized both for their…”
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MgH sub(2) thin films deposited by one-step reactive plasma sputtering by Le-Quoc, H, Lacoste, A, Miraglia, S, Bechu, S, Bes, A, Laversenne, L

“…The morphology, crystal structure, hydrogen content, and sorption properties of magnesium hydride thin films prepared by reactive plasma-assisted sputter…”
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Excitation kinetics of electronic states of hydrogen molecules in nonequilibrium discharges: Electronic ground state by Shakhatov, V. A., Lebedev, Yu. A., Lacoste, A., Bechu, S.

“…This review offers an analysis of the vibrational kinetics of hydrogen molecules in the singlet ground state X 1 ∑ g + for various gas discharges. The measured…”
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