Centre de recherche sur les Ions, les MAtériaux et la Photonique (UMR 6252)

Research director
Phone : (33) 02 31-45-45-11
balanzat@ganil.fr
Reasearch team : MADIR

Researcher ID : P-2451-2014

Research institution : CNRS
Location : CIMAP - GANIL

Mail address : CIMAP/GANIL, Bd Henri Becquerel - BP 5133, 14070 Caen Cedex 5 - France

Short Biography :

• 1976 "Licenciado en Física" (Master degree in Physics) of Instituto Balseiro - Centro Atómico Bariloche, Argentina

• 1978-83 Thèse de 3ème cycle Spécialité Métallurgie (PhD first level in Physical Metallurgy) and Thèse d’Etat es Sciences Physiques (PhD in Physics) CEA–Grenoble. Direction J. Hillairet - The short range order a tool for studying vacancies and atomic mobility in a crystalline alloy Cu30Zn70 and a metallic glass Fe40Ni40P14B6

• 1983-1995 Chargé de Recherche 1ère classe, CNRS, at CIRIL (Centre Interdisciplinaire de Recherches avec les Ions Lourds) Caen

• 1995-2012 Directeur de Recherche 2ème classe CNRS, at CIRIL

• 2002-2011 Deputy Director of CIRIL (Centre Interdisciplinaire de Recherches Ions Lasers) that became in 2008 CIMAP (Centre de recherche sur les Ions, les MAtériaux et la Photonique) Caen. UMR 6252 CEA/CNRS/ENSICAEN/UCBN

• 2012- Directeur de Recherche 1ère classe CNRS, at CIMAP Caen

Expertises :

Scientific expertise on radiation damage in very different systems (metals and metallic alloys, oxides, ionic crystals, self-trapped excitons, organic materials, polymers, radio-oxidation), on Ion Track Technology and on particle-matter interaction.

Experimental skills on cryogenics, gas analysis, FTIR spectroscopy, optical UV-vis spectroscopies, mass spectrometry, mechanical analysis, irradiation technologies.

Some scientific responsibilities :

Member of the selection panel of ANR SIMI-4, 2011-2013
Deputy Director of CIMAP, 2002 - 2011
Deputy Director of the CPR COPOLA (COpolymersPOlymers Lifetime and Ageing), 2005 - 2009
Member of the GANIL Scientific Committee, 2007 - 2011
Member of “Conseil d’Administration de l’ENSICAEN”, 2006 - 2009
Member of the Program Advisory Committee IPN-Orsay (2011- )
Member of the Program Advisory Committee Svedberg Laboratory,Uppsala, 1999-2005
Co-Chairman of the international conference Swift Heavy Ions in Matter, SHIM 2008, Lyon
Co-Chairman of the international conference Radiation Effects in Insulators REI 14th Caen 2007
Supervisor of 13 PhD theses. Member of the Jury of 47 other PhD theses (President 7 times, PhD Referee 26 times)

Scientific production :

150 publications ; 3112 citations (2784 without self citation) ; 20.7 citations per article ; H factor = 31
(source : Web of Knowledge- Web of Science)

Publications (selection) :

The 10 most cited publications

• Track Formation and Fabrication of Nanostructures with MeV-Ion Beams
  Toulemonde, M ; Trautmann, C ; Balanzat, E ; Hjort, K ; Weidinger, A
  Nuclear Instruments & Methods in Physics Research Section B, 216, 1-8, 2004
  Times cited : 164

• Atomic-Force-Microscopy Observations of Tracks Induced by Swift Kr Ions in Mica
  Thibaudau, F ; Cousty, J ; Balanzat, E ; Bouffard, S
  Physical Review Letters, 67 (12), 1582-1585, 1991
  Times cited : 143

• Chemical Modifications of PET Induced By Swift Heavy Ions
  Steckenreiter, T ; Balanzat, E ; Fuess, H ; Trautmann, C
  Nuclear Instruments & Methods in Physics Research Section B, 131 (1-4), 159-166, 1997
  Times cited : 139

• Swift Heavy Ion Modification of Polymers
  Balanzat, E ; Betz, N ; Bouffard, S
  Nuclear Instruments & Methods in Physics Research Section B, 105 (1-4), 46-54, 1995
  Times cited : 118

• High-Energy Heavy-Ion Irradiations of Fe85B15 Amorphous Alloy - Evidence for Electronic-Energy Loss Effect
  Audouard, A ; Balanzat, E ; Fuchs, G ; Jousset, J C ; Lesueur, D ; Thome, L
  Europhysics Letters, 3 (3), 327-33, 1987
  Times cited : 115

• Evidence for Amorphization of a Metallic Alloy by Ion Electronic-Energy Loss
  Audouard, A ; Balanzat, E ; Bouffard, S ; Jousset, J C ; Chamberod, A ; Dunlop, A ; Lesueur, D ; Fuchs, G ; Spohr, R ; Vetter, J ; Thome, L
  Physical Review Letters, 65 (7), 875-878, 1990
  Times cited : 97

• Physicochemical Modifications Induced in Polymers by Swift Heavy-Ions
  Balanzat, E ; Bouffard, S ; Le Moël, A ; Betz, N
  Nuclear Instruments & Methods in Physics Research Section B, 91 (1-4), 140-145, 1994
  Times cited : 85

• A FTIR Study of PVDF Irradiated by Means of Swift Heavy-Ions
  Betz, N ; Le Moël, A ; Balanzat, E ; Ramillon, JM ; Lamotte, J ; Gallas, JP ; Jaskierowicz, G
  Journal of Polymer Science Part B-Polymer Physics 32 (8), 1493-1502, 1994
  Times Cited : 83

• Radiation-Damage Induced by Electronic-Energy Loss in Amorphous Metallic Alloys
  Audouard, A ; Balanzat, E ; Fuchs, G ; Jousset, J C ; Lesueur, D ; Thome, L
  Europhysics Letters, 5 (3), 241-245, 1988
  Times cited : 81

• Atomic Displacements and Atomic Motion Induced by Electronic Excitation in Heavy-Ion-Irradiated Amorphous Metallic Alloys
  Audouard, A ; Balanzat, E ; Jousset, J C ; Lesueur, D ; Thome, L
  Journal of Physics-Condensed Matter, 5 (8), 995-1018, 1993
  Times cited : 77

Other selected publications (less cited but with a significant contribution to the field)

Organic Materials

• Effect of swift heavy ions on an EPDM elastomer in the presence of oxygen : LET effect on the radiation-induced chemical ageing
  Y. Ngono-Ravache, Z. Damaj, A. Dannoux-Papin , M. Ferry, S. Esnouf, F. Cochin, G. De Combarieu and E. Balanzat
  Polymer Degradation and Stability 111 (2015) 89-101
   

• Aliphatic/aromatic systems under irradiation : Influence of the irradiation temperature and of the molecular organization
  M. Ferry, E. Bessy, H. Harris, P.J. Lutz, J.-M. Ramillon, Y. Ngono-Ravache, E. Balanzat
  Journal of Physical Chemistry B 117-46, 14497-14508, 2013

• Enhanced Ionic Transport Mechanism by Gramicidin A Confined Inside Nanopores Tuned by Atomic Layer Deposition
  Abou Chaaya, A ; Le Poitevin, M ; Cabello-Aguilar, S ; Balme, S ; Bechelany, M ; Kraszewski, S ; Picaud, F ; Cambedouzou, J ; Balanzat, E ; Janot, JM ; Thami, ; Miele, P ; Dejardin
  J. Phys. Chem. C, 117 (29), 15306–15315, 2013

• Irradiation of Ethylene/Styrene Copolymers : Evidence of Sensitization of the Aromatic Moiety as Counterpart of the Radiation Protection Effect
  M.Ferry, E. Bessy, H. Harris, P.J. Lutz, J.-M. Ramillon, Y. Ngono-Ravache, E. Balanzat
  J. Phys. Chem. B, 116 (6), 1772–1776, 2012

• Ion track grafting : A way of producing low-cost and highly proton conductive membranes for fuel cell applications
  M. C. Clochard, T. Berthelot, C. Baudin, N. Betz,E. Balanzat, G. Gébel, A. Morin
  Journal of Power Sources 195 (2010) 223–231

• Radiolysis of ammonia-containing ices by energetic, heavy, and highly charged ions inside dense astrophysical environments
  S. Pilling, E. Seperuelo Duarte, E. F. da Silveira, E. Balanzat, H. Rothard, A. Domaracka, and P. Boduch
  Astronomy and Astrophysics 509, A87 (2010)

• Irradiation of atactic polystyrene : Linear energy transfer effects
  Ferry, M ; Ngono-Ravache, Y ; Picq, V ;Balanzat, E
  Journal of Physical Chemistry B, 112 (35) : 10879-10889, 2008

• Trapped and transient radicals observed in ethylene-propylene-diene terpolymers
  Esnouf, S, Balanzat, E
  Polymer, 48 (26) : 7531-7538, 2007

• Alkyne creation in aliphatic polymers : Influence of side groups
  Ngono-Ravache, Y ; Corbin, D ; Gate, C ; Melot, M ; Balanzat, E
  Journal of Physical Chemistry B, 111 (11) : 2813-2819, 2007

• Oxygen consumption in EPDM irradiated under different oxygen pressures and at different LET
  Dely, N ; Ngono-Ravache, Y ; Ramillon, JM ; Balanzat, E
  Nuclear Instruments & Methods in Physics Research Section B, 236 : 145-152, 2005
  

• Very low temperature irradiation of aliphatic polymers : Role of radical migration on the creation of stable groups
  Melot, M ; Ngono-Ravache, Y ; Balanzat, E
  Nuclear Instruments & Methods in Physics Research Section B, 208 : 345-352, 2003
  

• Role of the irradiation temperature on the modifications of swift-heavy-ion irradiated polyethylene
  Melot, A ; Ngono-Ravache, Y ; Balanzat, E
  Nuclear Instruments & Methods in Physics Research Section B, 209 : 205-211, 2003
  

• Ion-induced molecular emission of polymers : analytical potentialities of FTIR and mass spectroscopy
  Picq, V ; Balanzat, E
  Nuclear Instruments & Methods in Physics Research Section B, 151 (1-4) : 76-83, 1999

• The direct effect of heavy ions and electrons on thymidine in the solid state
  Gromova, M ; Balanzat, E  ; Gervais, B ; Nardin, R ; Cadet, J
  International Journal of Radiation Biology, 74 (1) : 81-97, 1998

• Swift heavy ions on polymers : Hydrocarbon gas release
  Picq, V ; Ramillon, JM ; Balanzat, E
  Nuclear Instruments & Methods In Physics Research Section B, 146 (1-4) : 496-503, 1998

• Cross-links induced by swift heavy ion irradiation in polystyrene
  Bouffard, S ; Balanzat, E  ; Leroy, C ; Busnel, JP ; Guevelou, G
  Nuclear Instruments & Methods in Physics Research Section B, 131 (1-4) : 79-84, 1997

• Swift heavy ion irradiation of polystyrene
  Balanzat, E  ; Bouffard, S ; Bouquerel, A ; Devy, J ; Gate, C
  Nuclear Instruments & Methods in Physics Research Section B, 116 (1-4) : 159-163, 1996

Inorganic Materials

• Track formation in III-N semiconductors irradiated by swift heavy ions and fullerene and re-evaluation of the inelastic thermal spike model
  M. Sall, I. Monnet, F. Moisy, C. Grygiel, S. Jublot-Leclerc, S. Della–Negra, M. Toulemonde, E. Balanzat
  J. Mater. Sci. 50 (2015) 5214–5227

• SPORT : A new sub-nanosecond time-resolved instrument to study swift heavy ion-beam induced luminescence – Application to luminescence degradation of a fast plastic scintillator
  E. Gardés , E. Balanzat, B. Ban-d’Etat, A. Cassimi, F. Durantel, C. Grygiel , T. Madi, I. Monnet, J.-M. Ramillon, F. Ropars, H. Lebius
  Nuclear Instruments and Methods in Physics Research B, 297, 39–43, 2013

• Synergy between electronic and nuclear energy losses for color center creation in AlN
  M. Sall, I. Monnet, C. Grygiel, B. Ban d’Etat, H. Lebius, S. Leclerc and E. Balanzat
  Euro Physics Letters, 102 (2), 26002, 2013

• High Energy Ion Irradiation-Induced Ordered Macropores in Zeolite Crystals
  V Valtchev, E. Balanzat, V Mavrodinova, I Diaz, J El Fallah, J-M Goupil
  J. Am. Chem. Soc., 133 (46), 18950–18956, 2011

• Synthesis and magnetic reversal of bi-conical Ni nanostructures
  N ; Biziere, R-L. Ballier, M-C. Clochard, M Viret, T-L. Wade, E. Balanzat, J-E Vegrowe
  Journal of Applied Physics, 110 (6), 063906, 2011

• Zirconium oxidation under high-energy heavy-ion irradiation
  Bererd, N ; Chevarier, A ; Moncoffre, N ; Jaffrezic, H ; Balanzat, E  ; Catalette, H
  Journal of Applied Physics, 97 (8) : 083528, 2005

• Self-trapped exciton luminescence induced in alpha quartz by swift heavy ion irradiations
  Costantini, JM ; Brisard, F ; Biotteau, G ; Balanzat, E  ; Gervais, B
  Journal of Applied Physics, 88 (3) : 1339-1345, 2000

• Defect creation in alkali-halides under dense electronic excitations : experimental results in NaCl and KBr
  E. Balanzat, S. Bouffard, A. Cassimi, E. Doorhyee, L. Protin, J. P. Grandin, J. L. Doualan, J. Margerie
  Nucl. Instr. and Methods. B91, 134, 1994

• Experimental-study of point-defect creation in high-energy heavy-ion tracks
  Perez, A ; Balanzat, E  ; Dural, J
  Physical Review B, 41 (7) : 3943-3950, 1990

• Damage induced by high electronic stopping power in SiO2 quartz
  Toulemonde, M ; Balanzat, E  ; Bouffard, S ; Grob, Jj ; Hageali, M ; Stoquert, JP
  Nuclear Instruments & Methods in Physics Research Section B, 46 (1-4) : 64-68, 1990

• Influence of electronic stopping power on the damage rate of Yttrium iron garnets irradiated by GeV energy heavy ions
  G. Fuchs, F. Studer, E. Balanzat, D. Groult, M. Toulemonde, J.C. Jousset
  Europhysics Letters 3, 321, 1987

• A Quench and Irradiation Study of the Vacancy Parameters in Alpha Cu 30 at % Zn
  Balanzat, E  ; Hillairet, J
  Journal of Physics F-Metal Physics 11 (10), 1977-1990, 1981

• Resistometric Study of Short-Range Ordering in an Amorphous Fe40Ni40P14B6 Alloy
  Balanzat, E
  Scripta Metallurgica, 14 (2), 173-178, 1980