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Stéphane Béchu

99
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Isotope effect in plasmas driven by ECR modules towards H and D production

M Mitrou , P Svarnas , S Béchu , S Aleiferis
Plasma Sources Science and Technology, 2023, 32 (10), pp.105001. ⟨10.1088/1361-6595/acfbf5⟩
Article dans une revue hal-04260490v1
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Latest experimental and theoretical advances in the production of negative ions in caesium-free plasmas

F. Taccogna , S. Béchu , A. Aanesland , P. Agostinetti , R. Agnello
The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2021, 75 (8), pp.227. ⟨10.1140/epjd/s10053-021-00228-y⟩
Article dans une revue hal-03325804v1
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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

S. Béchu , J.L. Lemaire , L. Gavilan , S. Aleiferis , V. Shakhatov
Journal of Quantitative Spectroscopy and Radiative Transfer, 2020, 257, pp.107325. ⟨10.1016/j.jqsrt.2020.107325⟩
Article dans une revue hal-03043281v1
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Negative ion characterization in a helicon plasma source for fusion neutral beams by cavity ring-down spectroscopy and Langmuir probe laser photodetachment

R Agnello , Stéphane Béchu , I Furno , P H Guittienne , A A Howling
Nuclear Fusion, 2020, 60, pp.026007. ⟨10.1088/1741-4326/ab5e64⟩
Article dans une revue hal-03049113v1
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Magnetic field configurational study on A Helicon-Based Plasma Source for Future Neutral Beam Systems

Kamal M Ahmed , Riccardo Agnello , Stéphane Béchu , Gilles Cartry , H P L de Esch
Plasma Sources Science and Technology, 2019, 28 (9), pp.095005. ⟨10.1088/1361-6595/ab3705⟩
Article dans une revue hal-02375711v1

Cavity ring-down spectroscopy to measure negative ion density in a helicon plasma source for fusion neutral beams

R. Agnello , M. Barbisan , I. Furno , Ph. Guittienne , A.A. Howling
Review of Scientific Instruments, 2018, 89 (10), pp.103504. ⟨10.1063/1.5044504⟩
Article dans une revue hal-01952212v1

Production of hydrogen negative ions in an ECR volume source: balance between vibrational excitation and ionization

S. Aleiferis , P. Svarnas , S. Béchu , O. Tarvainen , M. Bacal
Plasma Sources Science and Technology, 2018, 27 (7), pp.075015. ⟨10.1088/1361-6595/aabf1b⟩
Article dans une revue hal-01856810v1

Effects of the plasma-facing materials on the negative ion H density in an ECR (2.45 GHz) plasma

J. Bentounes , Stéphane Béchu , F. Biggins , A. Michau , Lisseth Gavilan
Plasma Sources Science and Technology, 2018, 27 (5), pp.055015. ⟨10.1088/1361-6595/aac0ed⟩
Article dans une revue insu-01806396v1

Characterization of X-ray gas attenuator plasmas by optical emission and tunable laser absorption spectroscopies

Álvaro Martín Ortega , Ana Lacoste , Stéphane Béchu , Alexandre Bès , Nader Sadeghi
Journal of Synchrotron Radiation, 2017, 24 (6), pp.1195-1208. ⟨10.1107/S1600577517012000⟩
Article dans une revue hal-01645834v1
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Detection of rovibrationally excited molecular hydrogen in the electronic ground state via synchrotron radiation

Stéphane Béchu , S. Aleiferis , J. Bentounes , Lisseth Gavilan , V. A. Shakhatov
Applied Physics Letters, 2017, 111, pp.074103. ⟨10.1063/1.4985617⟩
Article dans une revue insu-01616219v1

Spectroscopic characterization of H2 and D2 helicon plasmas generated by a resonant antenna for neutral beam applications in fusion

C. Marini , R. Agnello , B.P. Duval , I. Furno , A.A. Howling
Nuclear Fusion, 2017, 57, pp.036024. ⟨10.1088/1741-4326/aa53eb⟩
Article dans une revue in2p3-01452728v1

Experimental investigation of the relation between H− negative ion density and Lyman-α emission intensity in a microwave discharge

S. Aleiferis , O. Tarvainen , P. Svarnas , M. Bacal , Stéphane Béchu
Journal of Physics D: Applied Physics, 2016, 49 (9), pp.095203. ⟨10.1088/0022-3727/49/9/095203⟩
Article dans une revue in2p3-01272018v1
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Negative ion source development for a photoneutralization based neutral beam system for future fusion reactors

A. Simonin , R. Agnello , Stéphane Béchu , J. Bernard , C. Blondel
New Journal of Physics, 2016, 18 (12), pp.125005. ⟨10.1088/1367-2630/18/12/125005⟩
Article dans une revue hal-02380026v1

Kinetics of electron states of hydrogen molecules in nonequilibrium discharges: Singlet states

V.A. Shakhatov , Yu. A. Lebedev , A. Lacoste , Stéphane Béchu
High Temperature / Teplofizika Vysokikh Temperatur, 2016, 54 (1), pp.124-143. ⟨10.1134/S0018151X16010090⟩
Article dans une revue in2p3-01294682v1

Emission spectroscopy of a dipolar plasma source in hydrogen under low pressures

A. Shakhatov , A. Lebedev , A. Lacoste , Stéphane Béchu
High Temperature / Teplofizika Vysokikh Temperatur, 2016, 54 (4), pp.467 - 474. ⟨10.1134/S0018151X16040209⟩
Article dans une revue in2p3-01376128v1

Excitation kinetics of electronic states of hydrogen molecules in nonequilibrium discharges: Electronic ground state

V. A. Shakhatov , Yu. A. Lebedev , A. Lacoste , Stéphane Béchu
High Temperature / Teplofizika Vysokikh Temperatur, 2015, 53 (4), pp.569-587. ⟨10.1134/S0018151X15040215⟩
Article dans une revue in2p3-01250612v1

Investigation of Mg2(Si,Sn) thin films for integrated thermoelectric devices

C. Prahoveanu , A. Lacoste , Stéphane Béchu , C. de Vaulx , K. Azzouz
Journal of Alloys and Compounds, 2015, 649, pp.573-578. ⟨10.1016/j.jallcom.2015.07.043⟩
Article dans une revue in2p3-01214469v1
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R&D around a photoneutralizer-based NBI system (Siphore) in view of a DEMO Tokamak steady state fusion reactor

A. Simonin , Jocelyn Achard , K. Achkasov , Stéphane Béchu , C. Baudouin
Nuclear Fusion, 2015, 55 (12), pp.123020. ⟨10.1088/0029-5515/55/12/123020⟩
Article dans une revue hal-02381781v1

MgH2 thin films deposited by one-step reactive plasma sputtering

H. Le-Quoc , A. Lacoste , S. Miraglia , Stéphane Béchu , A. Bès
International Journal of Hydrogen Energy, 2014, 39 (31), pp.17718-17725. ⟨10.1016/j.ijhydene.2014.08.096⟩
Article dans une revue in2p3-01068590v1

H Negative Ion Production From a 2D Network of ECR Dipolar Plasma Sources

S. Aleiferis , P. Svarnas , I. Tsiroudis , Stéphane Béchu , M. Bacal
IEEE Transactions on Plasma Science, 2014, 42 (10), pp.2828-2829. ⟨10.1109/TPS.2014.2330421⟩
Article dans une revue in2p3-01094310v1

An open-ended coaxial plasma source with extended operating parameters: plasma impedance, coupling and energy efficiency

P. Baële , Stéphane Béchu , A. Bès , J. Pelletier , A. Lacoste
Plasma Sources Science and Technology, 2014, 23 (6), pp.064006. ⟨10.1088/0963-0252/23/6/064006⟩
Article dans une revue in2p3-01091992v1

Thermoelectric properties of thin films of Sb doped Mg2Si1 xSnx solid solutions

H. Le-Quoc , Stéphane Béchu , S. Populoh , A. Weidenkaff , A. Lacoste
Journal of Alloys and Compounds, 2013, 546, pp.138-144. ⟨10.1016/j.jallcom.2012.08.053⟩
Article dans une revue in2p3-00749377v1

Multi-dipolar microwave plasmas and their application to negative ion production

Stéphane Béchu , A. Soum-Glaude , A. Bès , A. Lacoste , P. Svarnas
Physics of Plasmas, 2013, 20, pp.101601. ⟨10.1063/1.4823466⟩
Article dans une revue in2p3-00870733v1

Deposition of thin films of Mg2Si1-xSnx solid solution by plasma-assisted co-sputtering.

Huy Le Quoc , A. Lacoste , Stéphane Béchu , A. Bès , Daniel Bourgault
Journal of Alloys and Compounds, 2012, 538, pp.73-78. ⟨10.1016/j.jallcom.2012.06.003⟩
Article dans une revue hal-00961258v1

Study of hydrogen plasma in the negative-ion extraction region

P. Svarnas , B.M. Annaratone , Stéphane Béchu , J. Pelletier , M. Bacal
Plasma Sources Science and Technology, 2009, 18, pp.045010. ⟨10.1088/0963-0252/18/4/045010⟩
Article dans une revue in2p3-00410312v1

Extraction of large-area low-energy electron beams from a multi-dipolar plasma

A. Lacoste , Stéphane Béchu , O. Maulat , J. Pelletier , Y. Arnal
Plasma Sources Science and Technology, 2009, 18, pp.015017. ⟨10.1088/0963-0252/18/1/015017⟩
Article dans une revue in2p3-00354123v1

Bulk and thin films of magnetic shape memory Ni-Mn-Ga alloys deposited by multi-dipolar plasma-assisted sputtering

Gabriel Girard , Stéphane Béchu , N. Caillault , L. Carbone , Luc Ortega
Journal of Alloys and Compounds, 2008, 465, pp.35-40. ⟨10.1016/j.jallcom.2007.11.087⟩
Article dans une revue in2p3-00339190v1

H- extraction from electron-cyclotron-resonance-driven multicusp volume source operated in pulsed mode

P. Svarnas , M. Bacal , Philippe Auvray , Stéphane Béchu , J. Pelletier
Review of Scientific Instruments, 2006, 77, pp.03A512. ⟨10.1063/1.2165270⟩
Article dans une revue in2p3-00372721v1

Comparison between Langmuir probe and microwave autointerferometry measurements at intermediate pressure in an argon surface wave discharge

Antoine Rousseau , E. Teboul , Stéphane Béchu
Journal of Applied Physics, 2005, 98, pp.083306. ⟨10.1063/1.2112172⟩
Article dans une revue in2p3-00372705v1

Nitrogen profiles in materials implanted via plasma-based ion implantation

A. Lacoste , Stéphane Béchu , Y. Arnal , J. Pelletier , Corentin Vallée
Surface and Coatings Technology, 2002, 156 (1-3), pp.125-130. ⟨10.1016/S0257-8972(02)00076-2⟩
Article dans une revue hal-00669437v1
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Laser–induced photo-detachment diagnostic for interrogating pulsed ECR–driven plasmas: Application to H$^−$ and D$^−$ negative ions

M Mitrou , S Béchu , P Svarnas
International Conference on Phenomena in Ionized Gases (XXXV ICPIG), Jul 2023, Egmond aan Zee, Netherlands
Communication dans un congrès hal-04285360v1

Investigation of the ro-vibrational levels of D2 molecules by VUV-absorption spectroscopy for the production of D- negative ions for fusion application

Stéphane Béchu , Jean-Louis Lemaire , Maria Mitrou , Nelson de Oliveira , Laurent Bonny
31st Summer School and International Symposium on the Physics of Ionized Gases, Sep 2022, Belgrade, Serbia
Communication dans un congrès hal-03852868v1
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Investigation of the ro-vibrational levels of H$_2$/D$_2$ molecules by VUV-absorption spectroscopy for the production of H$^-$/D$^-$negative ions for fusion application

S Béchu , J L Lemaire , M Mitrou , N de Oliveira , P Svarnas
31st Summer School and International Symposium on the Physics of Ionized Gases, Sep 2022, Belgrade (Serbia), France. pp.157
Communication dans un congrès hal-04285395v1
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H$^-$ and D$^-$ production efficiency in a multi-dipole ECR-plasma source as a function of gas pressure

M. Mitrou , P. Svarnas , S. Béchu
19th International Conference on Ion Sources – ICIS2021, Sep 2021, virtual, Switzerland. pp.012007, ⟨10.1088/1742-6596/2244/1/012007⟩
Communication dans un congrès hal-03434717v2
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Experimental study on dynamic effects of H − and D − negative ions in an ECR-plasma source

M. Mitrou , P. Svarnas , S. Béchu
International Conference on Ion Sources (ICIS 2021), Nov 2021, virtual, Switzerland. ⟨10.1088/1742-6596/2244/1/012006⟩
Communication dans un congrès hal-03434707v2
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Experimental study on dynamic effects of H$^-$ and D$^-$ negative ions in an ECR-plasma source

M. Mitrou , P. Svarnas , S. Béchu
19th International Conference on Ion Sources, Sep 2021, Online, Canada. pp.012006, ⟨10.1088/1742-6596/2244/1/012006⟩
Communication dans un congrès hal-03654984v1

H$^{-}$ and D$^{-}$ production efficiency in a multi-dipole ECR-plasma source as a function of gas pressure

M. Mitrou , P. Svarnas , S. Béchu
19th International Conference on Ion Sources, Sep 2021, Online, Canada. pp.012007, ⟨10.1088/1742-6596/2244/1/012007⟩
Communication dans un congrès hal-03654987v1
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Physics of helicon waves and negative ions in the Resonant Antenna Ion Device (RAID)

Ivo Furno , Riccardo Agnello , Philippe Guittienne , A.A. Howling , Rémy Jacquier
29th International Toki Conference on Plasma and Fusion Research (ITC 29), Oct 2020, Toki, Japan
Communication dans un congrès hal-03434682v2

3D Rarefied Molecular Flow Simulation To Understand Measurements Performed In Deuterium Plasmas

S. Béchu , M Mitrou , P Svarnas , J L Lemaire , A Bès
COMSOL Conference EUROPE, Oct 2020, Grenoble, France
Communication dans un congrès hal-03063791v1

Cs-free negative ion source: from rovibrationnal states of H 2 /D 2 molecules to the extraction of negative ions

Stéphane Béchu , A. Simonin , I. Furno , R. Agnello , J.L. Lemaire
Cold Plasmas, Fundamentals and Applications, Sep 2019, ERICE, Italy
Communication dans un congrès hal-03049704v1

Laser-aided plasma diagnostics of a helicon plasma source for fusion neutral beams

Ivo Furno , R. Agnello , Y Andrebe , H Arnichaud , P. Blanchard
19th International Symposium on Laser-Aided Plasma Diagnostics 2019 (LAPD19), Sep 2019, Whitefish, United States
Communication dans un congrès hal-03049709v1

Characterization of a distributed antenna array microwave plasma used for low-temperature/large-area nanocrystalline diamond film deposition

Damia Dekkar , Fabien Benedic , Xavier Aubert , Stéphane Béchu , Alexandre Bès
Plathinium, Sep 2019, Antibes, France
Communication dans un congrès hal-03049712v1

First B-dot measurements in the RAID device, an alternative negative ion source for DEMO neutral beams

Rémy Jacquier , Riccardo Agnello , Basile Pouradier Duteil , Philippe Guittienne , Alan Howling
30th Symposium on Fusion Technology (SOFT-30), Sep 2018, Messina, Italy. pp.1140-1144, ⟨10.1016/j.fusengdes.2019.02.025⟩
Communication dans un congrès hal-02277789v1

Plasma processes controlled by the adjustment of particle and energy fluxes

A. Lebedev , S Shakhatov , A. Lacoste , Stéphane Béchu
International Conference “The Physics of Low Temperature Plasma” (PLTP-2017), Jun 2017, Kazan, Russia. pp.012052, ⟨10.1088/1742-6596/927/1/012052⟩
Communication dans un congrès in2p3-01711805v1

Elementary microwave plasma sources with extended operating parameters (from low to high- pressures) for large area deposition

A. Lacoste , P. Baele , A. Martin Ortega , A. Bes , Stéphane Béchu
International Conference “The Physics of Low Temperature Plasma” (PLTP-2017), Jun 2017, Kazan, Russia
Communication dans un congrès in2p3-01541651v1

Effects of plasma-facing materials on the negative ion (H-/D-) current extracted from an ECR plasma source

Stéphane Béchu , F. Biggins , J. Angot , S. Aleiferis , P. Svarnas
XXXIII International Conference on Phenomena in Ionized Gases (ICPIG 2017), Jul 2017, Estoril, Portugal. pp.63
Communication dans un congrès in2p3-01572034v1
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Experimental study of H atom recombination on different surfaces in relation to H negative ion production

S. Aleiferis , J. Bentounes , Stéphane Béchu , P. Svarnas , Alexandre Bés
5th International Symposium on Negative Ions, Beams and Sources (NIBS’16), Sep 2016, Oxford, United Kingdom. pp.020011, ⟨10.1063/1.4995717⟩
Communication dans un congrès insu-01616032v1

A novel helicon plasma source for negative ion beams for fusion

I. Furno , R. Agnello , B.P. Duval , C. Marini , A.A. Howling
5th International Symposium on Negative Ions, Beams and Sources (NIBS’16), Sep 2016, Oxford, United Kingdom
Communication dans un congrès in2p3-01367553v1

Emission spectroscopy of dipolar plasma source in low pressure hydrogen

Stéphane Béchu , A. Lacoste , Yu. A. Lebedev , V.A. Shakhatov
9th International Workshop on Microwave Discharges: Fundamentals and Applications, (MD 9), Sep 2015, Cordoba, Spain
Communication dans un congrès in2p3-01231366v1

Plasma properties of the cybele negative ion source for fusion applications: PIC simulations and experiments

Jean-Pierre Boeuf , G. Fubiani , Stéphane Béchu , P. Garibaldi , C. Grand
42nd IEEE International Conference on Plasma Science (ICOPS), May 2015, Belek, Turkey. ⟨10.1109/PLASMA.2015.7179519⟩
Communication dans un congrès in2p3-01391481v1

Coupling modes in a dipolar microwave plasma source (2.45GHz)

P. Baele , R. Maurau , Stéphane Béchu , A. Bès , A. Lacoste
9th International Conference on Reactive Plasmas, 68th Gaseous Electronics Conference, 33rd Symposium on Plasma Processing (ICRP-9, GEC-68, SPP-33), Oct 2015, Honolulu, United States
Communication dans un congrès in2p3-01217122v1

Investigation of Mg2(Si,Sn) thin films for integrated thermoelectric devices

C. Prahoveanu , A. Lacoste , C. de Vaulx , K. Azzouz , Stéphane Béchu
International Conference on Thermoelectrics (ICT2014), Jul 2014, Nashville, United States
Communication dans un congrès in2p3-01026194v1

Study of the vibrational distribution function of the hydrogen molecule in the ground state X1Sigma+g in gas discharges

Yu.A. Lebedev , V.A. Shakhatov , A. Lacoste , Stéphane Béchu
VII International Symposium on Theorical and Applied Plasma Chemistry (ISTAPC-2014), Sep 2014, Plios, Russia. pp.47-50
Communication dans un congrès in2p3-01185363v1

Mesures des paramètres électrostatiques d’un plasma par sonde de Langmuir

Stéphane Béchu , A. Bès , L. Bonny , A. Lacoste
Atelier Diagnostics Plasma: Méthode de Détermination des Propriétés Electroniques et Ioniques, Dec 2014, Orléans, France
Communication dans un congrès in2p3-01123830v1

Ion source development for a photoneutralization based NBI system of fusion reactors

A. Simonin , H.P.L. de Esch , P. Garibaldi , C. Grand , Stéphane Béchu
4th International Symposium on Negative Ions, Beams and Sources (NIBS2014), Oct 2014, Garching, Germany. pp.050002, ⟨10.1063/1.4916459⟩
Communication dans un congrès in2p3-01122665v1

Experimental and numerical simulation of the vibrational distribution function of the hydrogen molecule in the ground state X1Σ+g in gas discharges

Yu.A. Lebedev , V.A. Shakhatov , A. Lacoste , Stéphane Béchu
X International conference "Mesh Methods for Boundary-Value Problems and Applications", Sep 2014, Kazan, Russia
Communication dans un congrès in2p3-01185857v1

Electrostatic probe and laser photodetachment measurements in the hydrogen negative ion (H-) source "Prometheus I"

S. Aleiferis , P. Svarnas , I. Tsiroudis , Stéphane Béchu , A. Lacoste
20th International Conference on Gas Discharges and their Applications (gd 2014), Jul 2014, Orléans, France. pp.sciencesconf.org:gd2014:27348
Communication dans un congrès in2p3-01244357v1

Plasma processes controlled by the adjustment of particle and energy fluxes

A. Lacoste , A. Todoran , C. Prahoveanu , A. Bès , Stéphane Béchu
International Conference "The physics of Low Temperature Plasma" (PLPT-2014), May 2014, Kazan, Russia
Communication dans un congrès in2p3-01016958v1

Plamas micro-onde basse pression et procédé associés

Stéphane Béchu , A. Bès , A. Lacoste
12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
Communication dans un congrès in2p3-01128593v1

Low-pressure plasma sources with localized power absorption operating from 0.35 to 2.45 GHz

A. Lacoste , P. Baële , R. Maurau , A. Bès , Stéphane Béchu
26th Symposium on Plasma Physics and Technology (SPPT), Jun 2014, Prague, Czech Republic
Communication dans un congrès in2p3-01009511v1

Laser photo-detachment measurements in the ECR driven H-negative ion source PROMETHEUS I

S. Aleiferis , P. Svarnas , Stéphane Béchu , M. Bacal , A. Lacoste
International Conference on Plasma Science ICOPS 2012, Jul 2012, Edinburgh, Scotland, Unknown Region. pp.3P-50, ⟨10.1109/PLASMA.2012.6383834⟩
Communication dans un congrès hal-02894186v1

Technologies micro-ondes : solutions adaptées à des problématiques spécifiques

A. Lacoste , Stéphane Béchu , A. Bès
Journée Plasmas et Energie, Sep 2011, Grenoble, France
Communication dans un congrès in2p3-01017303v1

Mesures expérimentale de la fonction de distribution en énergie des électrons (FDEE)

Stéphane Béchu , A. Bès , L. Bonny , A. Lacoste
Atelier CNRS Plasmas Froids 2011 " Fonction de distribution en énergie des ions et des électrons dans un plasma ", Nov 2011, Orléans, France
Communication dans un congrès in2p3-01016895v1

Advances and issues of microwave plasmas

A. Lacoste , G. Regnard , Stéphane Béchu , A. Bès
Colloque interactions micro-ondes/plasmas et applications aérospatiales, Fondation de Coopération Scientifique Sciences et Technologies pour l'Aéronautique et l'Espace (STAE), Oct 2011, Toulouse, France
Communication dans un congrès in2p3-01016893v1

Dispositif de mesure des paramètres plasma par sonde de Langmuir : QUË ÐO

A. Bès , Stéphane Béchu , A. Lacoste , D. Tourres , G. Marcotte
Journées du Réseau des Plasmas Froids, May 2011, Toulouse, France
Communication dans un congrès in2p3-00612027v1

Surface vicinity production of negative ions

Stéphane Béchu , A. Soum-Glaude , A. Bès , J. Pelletier , A. Lacoste
Co-ordinating Committee on Neutral Beams (CCNB), Feb 2010, Saint Paul-lès-Durance, France
Communication dans un congrès in2p3-01017234v1

Vibrationnally excited H2 formation on graphite surface

Stéphane Béchu
ARCHES Workshop - Elementary mechanisms of hydrogen / carbon-surface interactions, Oct 2008, Marseille, France
Communication dans un congrès in2p3-00338209v1
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Study of the plasma near the plasma electrode by probes and photodetachment in ECR-driven negative ion source

M. Bacal , P. Svarnas , Stéphane Béchu , J. Pelletier
1st International Conference on Negative Ions, Beams and Sources (NIBS 2008), Sep 2008, Aix en Provence, France. pp.47-54, ⟨10.1063/1.3112547⟩
Communication dans un congrès in2p3-00336457v1

Production of H- ions by surface mechanisms in Cs-free multi-dipolar microwave plasma

Stéphane Béchu , Didier Lemoine , M. Bacal , A. Bès , J. Pelletier
1st International Conference on Negative Ions, Beams and Sources NIBS 2008, Sep 2008, Aix en Provence, France. pp.74-83, ⟨10.1063/1.3112551⟩
Communication dans un congrès in2p3-00336454v1
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Plasma-based ion implantation : a valuable technology for the elaboration of innovative materials and nano-structured thin films

D. Vempaire , J. Pelletier , A. Lacoste , Stéphane Béchu , J. Sirou
12th International Congress on Plasma Physics, Oct 2004, Nice, France
Communication dans un congrès hal-00002030v1
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Cylindrical SDBD of well-defined expansion area for standardised studies

Konstantinos Giotis , Panagiotis Svarnas , Maria Mitrou , Kristaq Gazeli , Guillaume Lombardi
International Conference on Phenomena in Ionized Gases (XXXV ICPIG), Jul 2023, Egmond aan Zee, Netherlands
Poster de conférence hal-04285292v1
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Laser-induced photodetachment diagnostic for interrogating pulsed ECR-driven plasmas: Application to H- and D- negative ions

M Mitrou , S Béchu , P Svarnas
xxxv ICPIG, Jul 2023, Egmond aan Zee, Netherlands. 2023
Poster de conférence hal-04285204v1

Distributed microwave plasma sources: coupling modes and operation at high pressure for large area deposition

A. Martin Ortega , A. Bès , Stéphane Béchu , A. Lacoste
XXXIII International Conference on Phenomena in Ionized Gases (ICPIG 2017), Jul 2017, Estoril, Portugal. , Proceedings of the XXXIII International Conference on Phenomena in Ionized Gases pp.314, 2017
Poster de conférence in2p3-01572036v1

Modelling and characterisation of elementary microwave plasma sources at medium pressure (1 to 50 Torr) for high rate deposition

A. Martin Ortega , A. Bes , Stéphane Béchu , A. Lacoste
International Conference “The Physics of Low Temperature Plasma” (PLTP-2017), Jun 2017, Kazan, Russia.
Poster de conférence in2p3-01541647v1

Study of the production of vibrationally excited molecules of hydrogen H2(X1Σg,v’’) on surfaces by indirect and direct diagnostics

Stéphane Béchu , J. Bentounes , S. Aleiferis , P. Svarnas , V.A. Shakhatov
1st EUCASS Aerospace Thematic Workshop: Collisions of Fast Particles with Surfaces, Sep 2016, Aussois, France.
Poster de conférence in2p3-01372233v1

VUV emission spectroscopy combined with H- density measurements in the ion source Prometheus I

S. Aleiferis , J. Laulainen , P. Svarnas , O. Tarvainen , M. Bacal
5th International Symposium on Negative Ions, Beams and Sources (NIBS’16), Sep 2016, Oxford, United Kingdom. , AIP Conference Proceedings, 1869, pp.030045 2017, ⟨10.1063/1.4995765⟩
Poster de conférence in2p3-01367559v1

Spectroscopic measurements of hydrogen dissociation degree and H- production in resonant antenna-generated plasmas

C. Marini , P. Demolon , B. P. Duval , I. Furno , A. A. Howling
43rd Conference on Plasma Physics, Jul 2016, Leuven, Belgium.
Poster de conférence in2p3-01357794v1

Effect of Sb‐doping on the thermoelectric properties of Mg2Si thin films synthesized by microwave plasma‐assisted co‐sputtering

C. Prahoveanu , L. Laversenne , M. Salaun , C. De Vaulx , K. Azzouz
34th Annual International Conference on Thermoelectrics & 13th European Conference on Thermoelectrics (ICT & ECT 2015), Jun 2015, Dresden, Germany
Poster de conférence in2p3-01176819v1

Study of the rovibrational levels of ground state excited hydrogen molecules by laser photodetachment and emission spectroscopy

Stéphane Béchu , S. Aleiferis , P. Svarnas , V. A. Shakhatov , Yu.A. Lebedev
22nd International Symposium on Plasma Chemistry (ISPC 22), Jul 2015, Antwerp, Belgium. 22nd International Symposium on Plasma Chemistry July 5-10, 2015; Antwerp, Belgium ISPC2015-proceedings, P-I-1-2, 3 p., 2015
Poster de conférence in2p3-01174010v1

Couches minces thermoélectriques Mg2(Si,Sn) déposées par co-pulvérisation assistée par plasma micro-onde

C. Prahoveanu , A. Lacoste , C. de Vaulx , K. Azzouz , Stéphane Béchu
Ecole Thermoélectricité 2014, 2014, Annecy, France
Poster de conférence in2p3-01009972v1

Microwave plasma with localized power absorption: from elementary sources to device andapplications

A. Bès , Long Tan Phan , Stéphane Béchu , J. Pelletier , A. Lacoste
8th International Conference on Reactive Plasmas - 31st Symposium on Plasma Processing (ICRP-8/SPP-31), Feb 2014, Fukuoka, Japan
Poster de conférence in2p3-00943157v1

Stabilité thermique et propriétés thermoélectriques des couches minces Mg2(Si,Sn) déposées par co-pulvérisation assistée par plasma micro-onde

C. Prahoveanu , A. Lacoste , C. De Vaulx , K. Azzouz , Stéphane Béchu
12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
Poster de conférence in2p3-01128596v1

L’analyseur de réseau vectoriel: un outil aux multiples possibilités pour la conception de sources et le diagnostic plasma

P. Baële , R. Maurau , Stéphane Béchu , A. Bès , J. Pelletier
12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
Poster de conférence in2p3-01128599v1

The ECR-driven H negative-ion source PROMETHEUSI: Deisgn and preliminary characterization

P. Svarnas , S. Aleiferis , Stéphane Béchu , M. Bacal , A. Lacoste
XIX International Conference on Gas Discharges and Their Applications (GD 2012), Sep 2012, Beijing, China
Poster de conférence in2p3-01017325v1

Top-to-tail microwave plasma sources with extended operating conditions

A. Lacoste , Stéphane Béchu , G. Regnard , A. Bès , J. Pelletier
XXI Europhysics Conference on Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), Jul 2012, Viana do Castelo, Portugal. European Physical Society, pp.P 2.8.6, 2012
Poster de conférence in2p3-00721931v1

Surface mechanisms investigation for negative ion production

Stéphane Béchu , A. Soum-Glaude , A. Bès , P. Svarnas , M. Bacal
XXI Europhysics Conference on Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), Jul 2012, Viana do Castelo, Portugal. European Physical Society, pp.P 2.1.1, 2012
Poster de conférence in2p3-00721930v1

Design and performance head-to-head microwave plasma sources

P. Baële , Stéphane Béchu , A. Bès , J. Pelletier , A. Lacoste
Yu A. Lebedev. VIIIth International Workshop on Microwave Discharges: Fundamentals and Applications, Sep 2012, Zvenigorod, Russia. pp.147-150, 2012
Poster de conférence in2p3-00733289v1

H atom density measurement using a combination of optical emission spectroscopy and Langmuir probes diagnostics

A. Soum-Glaude , Stéphane Béchu , A. Bès , K. Hassouni , A. Lacoste
XXI Europhysics Conference on Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), Jul 2012, Viana do Castelo, Portugal. European Physical Society, pp.P 2.5.8, 2012
Poster de conférence in2p3-00721932v1

Deposition of thin films of Mg2 Si1-x Snx solid solution by plasma assisted co-sputtering

H. Le-Quoc , A. Lacoste , A. Bès , Stéphane Béchu , J. Pelletier
8th European Conference on Thermoelectrics (ECT 2010), Sep 2010, Como, Italy. 4 p., 2010
Poster de conférence in2p3-00530474v1

Distribution of H- ions in the vicinity of the extraction aperture

M. Bacal , P. Svarnas , J. Breton , Stéphane Béchu , Didier Lemoine
19th Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), 2008, Granada, Spain
Poster de conférence in2p3-00338204v1

Distribution spatiale du plasma au voisinage de l'électrode-plasma d'une source d'ions négatifs

M. Bacal , P. Svarnas , J. Breton , Stéphane Béchu , Didier Lemoine
Xe Congrès de la Division Plasmas de la Société Française de Physique, May 2008, Paris, France
Poster de conférence in2p3-00281919v1

Investigation of H- production by surface interaction of the plasma generated in "camembert III" reactor via Distributed Electron Cyclotron Resonance (DECR) at 2.45 GHz (abstract)

Stéphane Béchu , A. Bès , Didier Lemoine , J. Pelletier , M. Bacal
12th International Conference on Ion Sources (ICIS'07), 2007, Jeju, South Korea. American Institute of Physics, 79, pp.02A505, 2008, ⟨10.1063/1.2821592⟩
Poster de conférence in2p3-00180470v1

Production of large area low-energy electron beams by extraction from a multi-dipolar plasma (abstract)

A. Lacoste , Stéphane Béchu , O. Maulat , J. Pelletier , Y. Arnal
12th International Conference on Ion Sources (ICIS'07), 2007, Jeju, South Korea. American Institute of Physics, 79, pp.02B503, 2008, ⟨10.1063/1.2821591⟩
Poster de conférence in2p3-00180465v1
Image document

Dipolar plasma source modeling: a first approach

Stéphane Béchu , Tran Than Vinh , A. Lacoste , A. Bès , M. Rayar
COMSOL Conference, Oct 2007, Grenoble, France. A paraître, 2007
Poster de conférence in2p3-00180413v1
Image document

Helicon volume production of H$^−$ and D$^−$ using a resonant birdcage antenna on RAID

Ivo Furno , Riccardo Agnello , Alan Howling , Philippe Guittienne , Remy Jacquier
Physics and Applications of Hydrogen Negative Ion Sources, 124, Springer International Publishing, pp.217-249, 2023, Springer Series on Atomic, Optical, and Plasma Physics, 978-3-031-21475-2. ⟨10.1007/978-3-031-21476-9_9⟩
Chapitre d'ouvrage hal-04280387v1
Image document

ECR–Driven Negative Ion Sources Operating with Hydrogen and Deuterium

P. Svarnas , M. Mitrou , J. Lemaire , L. Gavilan , N. de Oliveira
Marthe Bacal. Physics and Applications of Hydrogen Negative Ion Sources, 124, Springer International Publishing, pp.303-347, 2023, Springer Series on Atomic, Optical, and Plasma Physics, 978-3-031-21475-2. ⟨10.1007/978-3-031-21476-9_12⟩
Chapitre d'ouvrage hal-04280385v1

Des sources plasma micro-onde dipolaires aux plasmas matriciels

Tran Tan Vin , Stéphane Béchu , A. Bès , L. Latrasse , A. Lacoste
Th. Belmonte. Plasmas Froids. Systèmes et procédés, Publications de l'Université de Saint-Etienne, pp.85-121, 2008, Intégrations
Chapitre d'ouvrage in2p3-00390941v1

Mesures de sondes électrostatiques en plasma basse pression

Stéphane Béchu
Massines, Françoise. Plasmas froids. Génération, caractérisation et technologies, 3, PUSE-MRCT-CNRS, pp.159-224, 2004, Intégrations [des savoirs et savoir-faire], 2862723398
Chapitre d'ouvrage hal-01481543v1

Plasmas micro-onde basses pressions exités à la résonance cyclotronique électronique

Yves Arnal , Stéphane Béchu , Ana Lacoste , O. Maulat , Jacques Pelletier
Massines, Françoise. Plasmas froids. Génération, caractérisation et technologies, 3, PUSE-MRCT-CNRS, pp.323-352, 2004, Intégrations [des savoirs et savoir-faire], 2862723398
Chapitre d'ouvrage hal-01481532v1