
Stéphane Béchu
100
Documents
Publications
Publications
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ATOMIC AND MOLECULAR DEUTERIUM DENSITIES IN A PULSED RF DISCHARGE USING VUV ABSORPTION SPECTROSCOPYThe 27th International Conference on High-Resolution Molecular Spectroscopy Bologna, Italy, September 2–6, 2024, Sep 2024, Bologna (ITALY), Italy. pp.118
Communication dans un congrès
hal-04780405
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High resolution VUV absorption spectroscopy @ the synchrotron SOLEIL: an efficient diagnostic for plasma physics.Plasma thin film international union meeting, SFV, Sep 2024, Antibes, France
Communication dans un congrès
hal-04780564
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Laser–induced photo-detachment diagnostic for interrogating pulsed ECR–driven plasmas: Application to H$^−$ and D$^−$ negative ionsInternational Conference on Phenomena in Ionized Gases (XXXV ICPIG), Jul 2023, Egmond aan Zee, Netherlands
Communication dans un congrès
hal-04285360
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Investigation of the ro-vibrational levels of D2 molecules by VUV-absorption spectroscopy for the production of D- negative ions for fusion application31st Summer School and International Symposium on the Physics of Ionized Gases, Sep 2022, Belgrade, Serbia
Communication dans un congrès
hal-03852868
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H$^-$ and D$^-$ production efficiency in a multi-dipole ECR-plasma source as a function of gas pressure19th International Conference on Ion Sources (ICIS2021), Sep 2021, virtual, Canada. pp.012007, ⟨10.1088/1742-6596/2244/1/012007⟩
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hal-03434717
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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 application31st Summer School and International Symposium on the Physics of Ionized Gases, Sep 2022, Belgrade (Serbia), France. pp.157
Communication dans un congrès
hal-04285395
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Experimental study on dynamic effects of H$^-$ and D$^-$ negative ions in an ECR-plasma source19th International Conference on Ion Sources (ICIS2021), Sep 2021, Online, Canada. pp.012006, ⟨10.1088/1742-6596/2244/1/012006⟩
Communication dans un congrès
hal-03654984
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3D Rarefied Molecular Flow Simulation To Understand Measurements Performed In Deuterium PlasmasCOMSOL Conference EUROPE, Oct 2020, Grenoble, France
Communication dans un congrès
hal-03063791
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Physics of helicon waves and negative ions in the Resonant Antenna Ion Device (RAID)29th International Toki Conference on Plasma and Fusion Research (ITC 29), Oct 2020, Toki, Japan
Communication dans un congrès
hal-03434682
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Characterization of a distributed antenna array microwave plasma used for low-temperature/large-area nanocrystalline diamond film depositionPlathinium, Sep 2019, Antibes, France
Communication dans un congrès
hal-03049712
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Laser-aided plasma diagnostics of a helicon plasma source for fusion neutral beams19th International Symposium on Laser-Aided Plasma Diagnostics 2019 (LAPD19), Sep 2019, Whitefish, United States
Communication dans un congrès
hal-03049709
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First B-dot measurements in the RAID device, an alternative negative ion source for DEMO neutral beams30th 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-02277789
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Cs-free negative ion source: from rovibrationnal states of H 2 /D 2 molecules to the extraction of negative ionsCold Plasmas, Fundamentals and Applications, Sep 2019, ERICE, Italy
Communication dans un congrès
hal-03049704
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Plasma processes controlled by the adjustment of particle and energy fluxesInternational 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
in2p3-01711805
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Effects of plasma-facing materials on the negative ion (H-/D-) current extracted from an ECR plasma sourceXXXIII International Conference on Phenomena in Ionized Gases (ICPIG 2017), Jul 2017, Estoril, Portugal. pp.63
Communication dans un congrès
in2p3-01572034
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Elementary microwave plasma sources with extended operating parameters (from low to high- pressures) for large area depositionInternational Conference “The Physics of Low Temperature Plasma” (PLTP-2017), Jun 2017, Kazan, Russia
Communication dans un congrès
in2p3-01541651
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Experimental study of H atom recombination on different surfaces in relation to H<sup>−</sup> negative ion production5th 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-01616032
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A novel helicon plasma source for negative ion beams for fusion5th International Symposium on Negative Ions, Beams and Sources (NIBS’16), Sep 2016, Oxford, United Kingdom
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in2p3-01367553
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Ion source development for a photoneutralization based NBI system of fusion reactors4th International Symposium on Negative Ions, Beams and Sources (NIBS2014), Oct 2014, Garching, Germany. pp.050002, ⟨10.1063/1.4916459⟩
Communication dans un congrès
in2p3-01122665
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Emission spectroscopy of dipolar plasma source in low pressure hydrogen9th International Workshop on Microwave Discharges: Fundamentals and Applications, (MD 9), Sep 2015, Cordoba, Spain
Communication dans un congrès
in2p3-01231366
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Coupling modes in a dipolar microwave plasma source (2.45GHz)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
in2p3-01217122
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Plasma properties of the cybele negative ion source for fusion applications: PIC simulations and experiments42nd IEEE International Conference on Plasma Science (ICOPS), May 2015, Belek, Turkey. ⟨10.1109/PLASMA.2015.7179519⟩
Communication dans un congrès
in2p3-01391481
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Plamas micro-onde basse pression et procédé associés12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
Communication dans un congrès
in2p3-01128593
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Electrostatic probe and laser photodetachment measurements in the hydrogen negative ion (H-) source "Prometheus I20th International Conference on Gas Discharges and their Applications (gd 2014), Jul 2014, Orléans, France. pp.sciencesconf.org:gd2014:27348
Communication dans un congrès
in2p3-01244357
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Experimental and numerical simulation of the vibrational distribution function of the hydrogen molecule in the ground state X1Σ+g in gas dischargesX International conference "Mesh Methods for Boundary-Value Problems and Applications", Sep 2014, Kazan, Russia
Communication dans un congrès
in2p3-01185857
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Mesures des paramètres électrostatiques d’un plasma par sonde de LangmuirAtelier Diagnostics Plasma: Méthode de Détermination des Propriétés Electroniques et Ioniques, Dec 2014, Orléans, France
Communication dans un congrès
in2p3-01123830
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Plasma processes controlled by the adjustment of particle and energy fluxesInternational Conference "The physics of Low Temperature Plasma" (PLPT-2014), May 2014, Kazan, Russia
Communication dans un congrès
in2p3-01016958
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Investigation of Mg2(Si,Sn) thin films for integrated thermoelectric devicesInternational Conference on Thermoelectrics (ICT2014), Jul 2014, Nashville, United States
Communication dans un congrès
in2p3-01026194
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Study of the vibrational distribution function of the hydrogen molecule in the ground state X1Sigma+g in gas dischargesVII International Symposium on Theorical and Applied Plasma Chemistry (ISTAPC-2014), Sep 2014, Plios, Russia. pp.47-50
Communication dans un congrès
in2p3-01185363
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Low-pressure plasma sources with localized power absorption operating from 0.35 to 2.45 GHz26th Symposium on Plasma Physics and Technology (SPPT), Jun 2014, Prague, Czech Republic
Communication dans un congrès
in2p3-01009511
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Laser photo-detachment measurements in the ECR driven H-negative ion source PROMETHEUS IInternational 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-02894186
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Mesures expérimentale de la fonction de distribution en énergie des électrons (FDEE)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
in2p3-01016895
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Technologies micro-ondes : solutions adaptées à des problématiques spécifiquesJournée Plasmas et Energie, Sep 2011, Grenoble, France
Communication dans un congrès
in2p3-01017303
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Dispositif de mesure des paramètres plasma par sonde de Langmuir : QUË ÐOJournées du Réseau des Plasmas Froids, May 2011, Toulouse, France
Communication dans un congrès
in2p3-00612027
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Advances and issues of microwave plasmasColloque 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
in2p3-01016893
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Surface vicinity production of negative ionsCo-ordinating Committee on Neutral Beams (CCNB), Feb 2010, Saint Paul-lès-Durance, France
Communication dans un congrès
in2p3-01017234
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Study of the plasma near the plasma electrode by probes and photodetachment in ECR-driven negative ion source1st 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
in2p3-00336457
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Production of H- ions by surface mechanisms in Cs-free multi-dipolar microwave plasma1st 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
in2p3-00336454
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Vibrationnally excited H2 formation on graphite surfaceARCHES Workshop - Elementary mechanisms of hydrogen / carbon-surface interactions, Oct 2008, Marseille, France
Communication dans un congrès
in2p3-00338209
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Plasma-based ion implantation : a valuable technology for the elaboration of innovative materials and nano-structured thin films12th International Congress on Plasma Physics, Oct 2004, Nice, France
Communication dans un congrès
hal-00002030
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Laser-induced photodetachment diagnostic for interrogating pulsed ECR-driven plasmas: Application to H- and D- negative ionsxxxv ICPIG, Jul 2023, Egmond aan Zee, Netherlands. 2023
Poster de conférence
hal-04285204
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Cylindrical SDBD of well-defined expansion area for standardised studiesInternational Conference on Phenomena in Ionized Gases (XXXV ICPIG), Jul 2023, Egmond aan Zee, Netherlands
Poster de conférence
hal-04285292
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Modelling and characterisation of elementary microwave plasma sources at medium pressure (1 to 50 Torr) for high rate depositionInternational Conference “The Physics of Low Temperature Plasma” (PLTP-2017), Jun 2017, Kazan, Russia.
Poster de conférence
in2p3-01541647
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Distributed microwave plasma sources: coupling modes and operation at high pressure for large area depositionXXXIII 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
in2p3-01572036
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Spectroscopic measurements of hydrogen dissociation degree and H- production in resonant antenna-generated plasmas43rd Conference on Plasma Physics, Jul 2016, Leuven, Belgium.
Poster de conférence
in2p3-01357794
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Study of the production of vibrationally excited molecules of hydrogen H2(X1Σg,v’’) on surfaces by indirect and direct diagnostics1st EUCASS Aerospace Thematic Workshop: Collisions of Fast Particles with Surfaces, Sep 2016, Aussois, France.
Poster de conférence
in2p3-01372233
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VUV emission spectroscopy combined with H- density measurements in the ion source Prometheus I5th 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
in2p3-01367559
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Study of the rovibrational levels of ground state excited hydrogen molecules by laser photodetachment and emission spectroscopy22nd 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
in2p3-01174010
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Effect of Sb‐doping on the thermoelectric properties of Mg2Si thin films synthesized by microwave plasma‐assisted co‐sputtering34th Annual International Conference on Thermoelectrics & 13th European Conference on Thermoelectrics (ICT & ECT 2015), Jun 2015, Dresden, Germany
Poster de conférence
in2p3-01176819
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L’analyseur de réseau vectoriel: un outil aux multiples possibilités pour la conception de sources et le diagnostic plasma12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
Poster de conférence
in2p3-01128599
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Microwave plasma with localized power absorption: from elementary sources to device andapplications8th International Conference on Reactive Plasmas - 31st Symposium on Plasma Processing (ICRP-8/SPP-31), Feb 2014, Fukuoka, Japan
Poster de conférence
in2p3-00943157
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Stabilité thermique et propriétés thermoélectriques des couches minces Mg2(Si,Sn) déposées par co-pulvérisation assistée par plasma micro-onde12èmes Journées d’Echange du Réseau Plasmas Froids, Oct 2014, La Rochelle, France
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in2p3-01128596
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Couches minces thermoélectriques Mg2(Si,Sn) déposées par co-pulvérisation assistée par plasma micro-ondeEcole Thermoélectricité 2014, 2014, Annecy, France
Poster de conférence
in2p3-01009972
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Design and performance head-to-head microwave plasma sourcesYu A. Lebedev. VIIIth International Workshop on Microwave Discharges: Fundamentals and Applications, Sep 2012, Zvenigorod, Russia. pp.147-150, 2012
Poster de conférence
in2p3-00733289
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Surface mechanisms investigation for negative ion productionXXI 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
in2p3-00721930
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Top-to-tail microwave plasma sources with extended operating conditionsXXI 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
in2p3-00721931
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The ECR-driven H negative-ion source PROMETHEUSI: Deisgn and preliminary characterizationXIX International Conference on Gas Discharges and Their Applications (GD 2012), Sep 2012, Beijing, China
Poster de conférence
in2p3-01017325
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H atom density measurement using a combination of optical emission spectroscopy and Langmuir probes diagnosticsXXI 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
in2p3-00721932
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Deposition of thin films of Mg2 Si1-x Snx solid solution by plasma assisted co-sputtering8th European Conference on Thermoelectrics (ECT 2010), Sep 2010, Como, Italy. 4 p., 2010
Poster de conférence
in2p3-00530474
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Distribution of H- ions in the vicinity of the extraction aperture19th Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), 2008, Granada, Spain
Poster de conférence
in2p3-00338204
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Distribution spatiale du plasma au voisinage de l'électrode-plasma d'une source d'ions négatifsXe Congrès de la Division Plasmas de la Société Française de Physique, May 2008, Paris, France
Poster de conférence
in2p3-00281919
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Dipolar plasma source modeling: a first approachCOMSOL Conference, Oct 2007, Grenoble, France. A paraître, 2007
Poster de conférence
in2p3-00180413
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Production of large area low-energy electron beams by extraction from a multi-dipolar plasma (abstract)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
in2p3-00180465
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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)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
in2p3-00180470
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Helicon volume production of H$^−$ and D$^−$ using a resonant birdcage antenna on RAIDPhysics 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-04280387
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ECR–Driven Negative Ion Sources Operating with Hydrogen and DeuteriumMarthe 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-04280385
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Des sources plasma micro-onde dipolaires aux plasmas matricielsTh. Belmonte. Plasmas Froids. Systèmes et procédés, Publications de l'Université de Saint-Etienne, pp.85-121, 2008, Intégrations
Chapitre d'ouvrage
in2p3-00390941
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Plasmas micro-onde basses pressions exités à la résonance cyclotronique électroniqueMassines, 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-01481532
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Mesures de sondes électrostatiques en plasma basse pressionMassines, 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-01481543
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