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Accueil > Pages Personnelles > Anciens membres du LPP > Jérôme Bredin

Jérôme Bredin





















Status : Post-doc

Low Temperature Plasmas Team

Email : jerome.bredin lpp.polytechnique.fr
Tel : 01 69 33 58 73

Room : 01-1006M
Laboratoire de Physique des Plasmas
Ecole Polytechnique, route de Saclay
F-91128 Palaiseau Cedex



Research interests

Low-pressure radio frequency discharges, transport across magnetic barriers, electronegative plasmas, ion-ion plasmas, positive and negative ion-sources, photodetachment of negative ions.

Publications

Controlled deposition of sulphur-containing semiconductor and dielectric nano-structured films on metals in SF6 ion-ion
D. Rafalskyi, J. Bredin and A. Aanesland
J. Appl. Phys. 114, 213303 (2013) ; doi : 10.1063/1.4842915

Langmuir probe analysis of highly electronegative plasmas
J. Bredin, P. Chabert and A. Aanesland
Appl. Phys. Lett. 102, 154107 (2013) ; doi : 10.1063/1.4802252.

Direction for the future - Successive acceleration of positive and negative ions applied to space propulsion
A. Aanesland, J. Bredin, L. Popelier and P. Chabert
CAS—CERN Accelerator School : Ion Sources, edited by R. Bailey, CERN-2013-007 pp. 575-584 (2013) ; DOI : 10.5170/CERN-2013-007.

Global model of a gridded-ion thruster powered by a radiofrequency inductive coil
P. Chabert, J. Arancibia Monreal, J. Bredin, L. Popelier, and A. Aanesland
Phys. Plasmas 45 (2012) 235201

Electron energy distribution function and plasma parameters across magnetic filters
A. Aanesland, J. Bredin, P. Chabert and V. Godyak.
Appl. Phys. Lett. 100, 044102 (2012) ; doi : 10.1063/1.3680088.

Award

- GEC Student Award for Excellence - J. Bredin, P. Chabert and A. Aanesland, Measurements of Positive and Negative Energy Distribution Function obtained from a Langmuir probe in an ion-ion plasma, 65th Gaseous Electronics Conference (GEC), October 22-26, 2012, Austin, TX, USA.

Conferences

- J. Bredin, P. Chabert and A. Aanesland, Effect of magnetic field on Langmuir probe measurements, 66th Gaseous Electronics Conference (GEC), September 30 - october 4, 2013, Princeton, NJ, USA [Poster].

- J. Bredin, P. Chabert and A. Aanesland, The influence of the characteristic size of electropositive and electronegative plasmas with a localized magnetic field, 4th Workshop on Radio-Frequency Discharges, May 29-31, 2013, Presqu’île de Giens, France [Poster].

- J. Bredin, P. Chabert and A. Aanesland, Measurements of Positive and Negative Energy Distribution Function obtained from a Langmuir probe in an ion-ion plasma, 65th Gaseous Electronics Conference (GEC), October 22-26, 2012, Austin, TX, USA [Student Award Oral].

- J. Bredin, A. Aanesland, P. Chabert and V. Godyak, Electron temperature and plasma density distribution measurement along magnetic barrier in the PEGASES thruster, 65th Gaseous Electronics Conference (GEC) - Workshop on Plasma Cross Field Diffusion, October 22, 2012, Austin, TX, USA [Oral].

- J. Bredin, L. Popelier, V. Godyak, P. Chabert and A. Aanesland, Evolution of electron temperature and negative ion density through a magnetic barrier, XXI Europhysics Conference on the Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), July 10-14, 2012, Viana do Castelo, Portugal [Poster].

- J. Bredin, A. Aanesland, P. Chabert and V. Godyak, Evolution de la FDEE et de la température électronique au travers de différentes configurations de champs magnétiques, 12ème congrès Société Française de Physique (SFP) - Division Plasmas, 22-24 Mai, 2012, Orléans, France [Poster].

- J. Bredin, A. Aanesland, P. Chabert and V. Godyak, Study of the EEDF and electronic temperature through various magnetic field barriers, 64th Gaseous Electronics Conference (GEC), November 14-18, 2011, Salt Lake City, USA [Oral].

- J. Bredin, A. Aanesland and P. Chabert, Study of an ion-ion plasma by biasing a large planar probe with square waveforms, 30th International Conference on Phenomena in Ionized Gases (ICPIG), August 28 - September 2nd, 2011, Belfast, Ireland [Poster].

- J. Bredin, A. Aanesland, P. Chabert and V. Godyak, Study of the EEDF and electronic temperature through a magnetic field measured in the PEGASES thruster, 3rd Workshop on Radio-Frequency Discharges, August 26-27, 2011, Dublin, Ireland [Poster].

- J. Bredin, Q. Délivré, A. Aanesland, P. Chabert, A parametric study of the stratification of electronegative plasmas and the formation of ion-ion plasmas due to magnetic filtering, 63th Gaseous Electronics Conference (GEC),October 4-8, 2010, Paris, France [Poster].

Teaching

- O. Guaitella and J. Bredin, Practical examples : Plasma speaker discharges, Summer school of the Labex Plas@Par, August 25-30, 2013, Roscoff, France

Seminar

- J. Bredin, P. Chabert and A. Aanesland, Plasma measurements in a magnetic filter of an RF plasma source with negative and positive ions, Princeton Plasma Physics Laboratory (PPPL), October 17, 2012, Princeton, NJ, USA.

Brief vitae

2010-2013 : PhD student - "Développement de diagnostics électrostatiques pour le filtrage magnétique et la formation du plasma ion-ion dans le propulseur PEGASES" LPP, Ecole Polytechnique, Palaiseau, France
2009-2010 : Master degree in "Rayonnement & Energie" - Université Paris-Sud 11, France.
2008-2009 : Master degree in "Physique des plasmas" - Ecole Polytechnique/Université Paris-Sud 11/Université de Versailles Saint Quentin (UVSQ), France.
2003-2008 : Master 1 degree in "Physique et applications" - UVSQ, France.

Interships

2010 (4 months) : Study of an amorphous silicon layer at Laboratoire de Genie Electrique de Paris (LGEP) - SUPELEC :
- Steady-State Photocarrier Grating (SSPG) : measure of the diffusion length in a amorphous silicon layer with laser interferences
- Automation : LabView
Supervisor : Dr Christophe Longeaud

2009 (4 months) : Study of a dual frequency capacitively coupled plasma (CCP) reactor at Laboratoire de Physique des Plasmas (LPP) - Ecole Polytechnique :
- Absorption spectroscopy : with an infra-red laser diode, determination of the neutrals temperature
- Absorption spectroscopy : with UV LEDs, determination of CFx ion densities
Supervisor : Dr Jean-Paul Booth

2008 (3 months) : Study of a dusty plasma at Intership at Service d’Aeronomie (SA)
- Emission spectroscopy : actinometry by nitrogen
- Mass spectrometry : time resolved measurements during the dusts formation
Supervisor : Pr Guy Cernogora


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