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Prof. Jean-Christophe VALMALETTE

 

IM2NP -  UMR CNRS 6242

Institut Matériaux Microélectronique Nanosciences de Provence

 

Université du Sud Toulon Var, BP 20132, F-83957 La Garde Cedex, France

Tel : +33. 494.142.476       Fax : +33.494.142.168

valmalette@univ-tln.fr

 

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Home

 

 

Peer-Review Papers

 

 

Sato K., Yokoyama Y., Valmalette J.C., Kuruma K., Abe H., Takarada T.

"Hydrothermal Growth of Tailored SnO2 Nanocrystals"

Crystal Growth & Design 21, 1685, 2013

DOI: 10.1021/cg400013q

 

Brat P., Valmalette J.C., Mertz C., de Souza G., Dombrovski A., Capovilla M., Robichon A.,

"Analysis of carotenoid compounds in aphids by Raman imaging and mass spectrometry"

Nature - Protocol Exchange 2012 (OPEN ACCESS)

doi:10.1038/protex.2012.047

 

Valmalette, J. C., Dombrovsky A., Brat P., Mertz C., Capovilla M., Robichon A.

"Light- induced electron transfer and ATP synthesis in a carotene synthesizing insect"

Nature - Scientific Reports 2, 579, 2012

doi:10.1038/srep00579  (OPEN ACCESS)

                                                                           

Porte L, Abel M, Amsalem P, Bocquet F, Bocquet FC, Chevallier V, Clair S, Delafosse G, Desbief S, Gadenne V, Giovanelli L, Koudia M, Ksari Y, Loppacher C, Merlen A, Nony L, Ourdjini O, Patrone L, Pawlak R, Romann J, Valmalette JC, Themlin JM

“Self-organized growth of molecular arrays at surfaces”

Int. J. Nanotechnology 8, 10-12, 2012

DOI: 10.1504/IJNT.2012.045337

 

Bourja L., Bakiz B., Benlhachemib A., Ezahrib M., Villain S., Favotto C., Valmalette J.-C., Gavarri J. R.

“Structural modifications of nanostructured ceria CeO2,xH2O during dehydration process”

Powder Technology, 215-216, 76-71, 2012

DOI: 10.1016/j.powtec.2011.09.008

 

D’Elia D., Beauger C., Hochepied J.F., Rigacci A., Berger M.H., Keller N., Keller-Spitzer V., Suzuki, Y., Valmalette J.C., Benabdesselam M., Achard P.

“Impact Of Three Different TiO2 Morphologies On Hydrogen Evolution By Methanol Assisted Water-Splitting: Nanoparticles, Nanotubes And Aerogels”

Int. J. of Hydrogen Energy 36, 22, 14360-14373, 2011

DOI: 10.1016/j.ijhydene.2011.08.007

 

P. G. Gucciardi and J. C. Valmalette

"Different longitudinal optical---transverse optical mode amplification in tip enhanced Raman spectroscopy of GaAs(001)"

Appl. Phys. Lett. Vol.97, Issue 263104, 2010

DOI: 10.1063/1.3532841

 

5. Merlen A., Chevallier, Chevallier V., Valmalette J. C., Patrone L., Torchio P., Vedraine S., Flory F., Moula G.

"Surface enhanced spectroscopy with gold nanostructures on silicon and glass substrates”

Surface Science 605, 13-14, 1214-1218, 2011

DOI: 10.1016/j.susc.2011.04.004

 

Romann J., Valmalette J. C., Chevallier V. and Merlen A.

Surface Interactions between Molecules and Nanocrystals in Copper Oxalate Nanostructures

J. Physical Chemistry C Vol. 114, Issue 24, pp.10677-10682, 2010

 

Merlen A., Gadenne V., Romann J., Chevallier V., Patrone L., Valmalette J.C.

“Surface enhanced Raman spectroscopy of organic molecules deposited on gold sputtered substrates “

Nanotechnology, Vol. 20, Issue 21, p. 215705, 2009

doi:10.1088/0957-4484/20/21/215705

 

Bourja L., Bakiz B., Benlhachemi A., Ezahri M., Valmalette J.C., Villain S., Gavarri J.R.

Structural and Raman vibrational studies of CeO2-Bi2O3 oxide system,

Adv. Mater. Sc. Eng., vol. 2009, Article ID 502437, 2009

doi:10.1155/2009/502437

 

Romann J., Chevallier V., Merlen A., Valmalette J.C.,

Self-organized assembly of copper oxalate nanocrystals

J. of Physical Chemistry C Vol. 113, Issue 13, pp.5068-5074, 2009

doi:10.1021/jp805335f

 

Merlen A., Valmalette J. C., Gucciardi P.G, Lamy de la Chapelle M., Frigout A., Ossikovski R.

Depolarization effects in Tip Enhanced Raman Spectroscopy

J.  Raman Spectroscopy (Invited paper) 40, 1361–1370 Special Issue 2009

doi:10.1002/jrs.2424

 

Isa M., Valmalette J.C., Muller C., Leroux C.

“Evolution in time of a gold-zirconia nanopowder at room temperature : nucleation-growth of gold nanoparticles”

Chemistry of Materials vol. 17(24); 5920-5927 2005

Doi: 10.1021/cm040187j

 

Guinneton F., Sauques L., Valmalette J.C.,  Cros F., Gavarri J.R.

Role of surface defects and microstructure in infrared optical properties of thermochromic VO2 materials”

J. Phys. Chem. Solids, Vol. 66, 1, pp 63-73 2005

doi:10.1016/j.jpcs.2004.08.032 

 

Isa M.; Valmalette J.C.; Satoshi K.; Dallas J.P., Tsai A. P.

"Spontaneous nanostructuration of gold alloys in air and at room temperature: new way of synthesis of 5nm nanosized catalysts for water gas shift (WGS) and CO oxidation reactions"

Shokubai Toronkai Toronkai A Yokoshu 96, 186 2005.

 

Isa M., Valmalette J.C., Muller C., Lomello-Tafin M., Gas P., Elkaïm E.

« Study of the nanostructuration of ZrAu alloy near the ambient temperature by synchrotron radiation and thermal analyses »

J. Alloys Compounds, Vol. 373, 1-2, pp 96-103 2004 

doi:10.1016/j.jallcom.2003.10.037

 

Guinneton F., Sauques L., Valmalette J.C.,  Cros F., Gavarri J.R.

« Optimized infrared switching properties in thermochromic vanadium dioxide thin films: role of deposition process and microstructure »

Thin Solid Films, vol. 446, pp 287–295, 2004

doi:10.1016/j.tsf.2003.09.062

 

Moreau J.M., Isa, Chaou A.A., Lomello-Tafin M., Galez P., Jourdan J., Valmalette J.C., Soubeyroux J.L.

« Neutron Powder Diffraction Study of the Crystal Structures of ZrAu »

J. Alloys Compounds, Vol. 373, 1-2, pp 16-27 2004

doi:10.1016/j.jallcom.2003.10.056

 

Thommerel E., Madigou V.,  Villain S., Musso J., Valmalette J.C., Gavarri J.R.

«Microstructure modifications and modulated piezoelectric responses in PLZT / Al2O3 composites »

Mater. Sci. Eng. B, Vol. 97 pp 74-82 2003

doi:10.1016/S0921-5107(02)00407-5

 

Valmalette J.C.  and Isa M.

“Size Effects on the Stabilization of Ultrafine Zirconia Nanoparticles”

Chem. Mater. vol. 14, pp 5098-5102 2002

10.1021/cm021233n

 

Thommerel E., Valmalette J.C., Musso J., Villain S., Gavarri J.R., Spada D.

“Relations between microstructure, electrical percolation and corrosion in metal—insulator composites”

Mater. Sci. Eng. A, vol. 328,1-2, pp 67-79 2002

doi:10.1016/S0921-5093(01)01680-X

 

Valmalette J.C., Isa M., Passard M., Lomello-Tafin M.

“Ultra-fast Nanostructing Oxidation of Crystallized Intermetallic ZrAu at 25°C

Chem. Mater.. Vol. 14, 5, pp2048-2054 2002

10.1021/cm011184z

 

Sanz N., Lomello-Taffin M., Valmalette J.C., Isa M., Galez P.

”Preparation and Characterization of Au/ZrO2 nanoparticles obtained by oxidation of ZrAuy alloy”

Mater. Sci. & Eng. C.; vol. 19, 1-2, pp 79-83 2002

doi:10.1016/S0928-4931(01)00446-5

 

Guinneton F., Sauques L., Valmalette J.C., Cros F.  and Gavarri J.R.

“Comparative Study Between Nanocrystalline Powder and Thin Film of Vanadium Dioxide VO2: Electrical and Infrared Properties”

J. Phy. Chem. Solids, vol. 62, 7, pp 1229-1238 2001

doi:10.1016/S0022-3697(01)00013-0 

 

Muller C., Valmalette J.C., Soubeyroux J.L., Bouree F., Gavarri J.R.

“Structural Disorder and Ionic Conductivity in LiVO3: A Neutron Powder Diffraction Study from 340 to 890 K”

J. Solid State Chem. , vol 156, pp379-389 2001

doi:10.1006/jssc.2000.9009

 

Jongen N., Bowen P., Lemaître J., Valmalette J.C., Hofmann H.

“ Precipitation of Self-Organised Copper Oxalate Polycrystalline Particles in the Presence of Hydroxypropylmethylcellulose : Control of Morphology”

J. Colloid. Interf. Sci, vol. 226, pp 189-198 2000

doi:10.1006/jcis.2000.6747

 

Guinneton F., Valmalette J.C., Gavarri J.R.,  «Nanocrystalline vanadium dioxide : synthesis and mid-infrared properties »

Optical Mater., vol. 15 (2), pp. 111-114 2000

doi:10.1016/S0925-3467(00)00023-9

 

Vacassy R., Lemaire L., Valmalette J.C., Dutta J., Hofmann H.

« Synthesis of zirconia-coated gold nanoparticles »,

J. Mater. Sc. Lett., vol. 17, pp1665-1667, 1998

 

Carrot G., Valmalette J.C.,  Plummer C.J.G., Scholz S.M., Dutta J., Hofmann H., Hilborn J.G.,

“Gold nanoparticle synthesis in graft copolymer micelles”

Colloid Polym. Sc., vol. 276, pp 853-859 1998

doi:10.1007/s003960050321

 

Valmalette J.C.  and Gavarri J.R.,

« High Efficiency Thermochromic VO2(R) resulting from the irreversible transformation of VO2(B)”

Mater. Sci. Eng. : B, vol. 54, pp 168-173 1998

doi:10.1016/S0921-5107(98)00148-2 

 

Valmalette J.C., Houriet R., Hofmann H., Gavarri J.R.

“Formation of N2O during the thermal decomposition of ammonium salts (NH4)aMxOy (M=V, Cr, Mo and W) “

Eur. J. Solid State & Inorg. Chem., vol. 34, pp 317-329 1997

 

Dutta J., Hofmann H., Houriet R., Valmalette J.C.  and Hofmeister H.

«Crystallization of nanosized silicon powder prepared by plasma-induced clustering reactions»

AiChE J. vol. 43, pp 2610-2615 1997

PDF file 9 722 Ko

 

Hornyak G.L., Patrissi C.J., Martin C.R.,

and Valmalette J.C., Dutta J., Hofmann H.

“Dynamical Maxwell-Garnett Optical Modeling of Nanogold-Porous Alumina Composites: Mie and Kappa Influence on Absorption Maxima,”

Nanostructur. Mater. Vol. 9, pp 575-578 1997

doi:10.1016/S0965-9773(97)00128-1

 

Hornyak G.L., Patrissi C.J., Oberhauser E.B., Martin C.R.

and Valmalette J.C., Lemaire L., Dutta J., Hofmann H.

“Effective Medium Theory Characterization of Au/Ag Nanoalloy-Porous Alumina Composites,”

Nanostructur. Mater. Vol. 9, pp 571-574 1997

doi:10.1016/S0965-9773(97)00127-X 

 

Valmalette J.C., Lemaire L., Hornyak G. L., Dutta J. and Hofmann H.

"Optical properties of metal cluster based nano-composites"

Analusis , vol. 24, n°6,  M7-25 1996

 

Valmalette J.C., Gavarri J.R., Satre P.,

"A new mechanism for the thermal decomposition of ammonium hexavanadate : formation of N2O"

Eur. J. Solid State & Inorg. Chem., vol. 32, pp 71-77, 1995

 

Valmalette J.C.  and Gavarri J.R.

"Vanadium dioxide/polymer composites: Thermochromic behaviour and modeling of optical transmittance."

Solar Energy Materials, vol. 33, n° 2, p 135 1994

doi:10.1016/0927-0248(94)90202-X 

 

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Patents & Trademarks

 

Trademark Nanovortex™ n° 05-3-348-869 INPI 2005

 

Spada D., Thommerel E., Valmalette J.C., Gavarri J. R., Marchais D., Nolibé G., « Système de détection et d’identification électromagnétique d’objets par excitation acoustique », n° FR-99-13114, International US Patent. 1999

 

Lomello-Tafin M., Galez Ph., Jorda J.L., Valmalette J.C. « Obtention d’un catalyseur nanostructuré à base d’oxydes et de métaux nobles », French Patent n°FR-98-08343 1998

 

Lemaire L., Michel B., Hofmann H. and Valmalette J.C.  “Coloration of zirconia using copper nano-particles”, Swiss Patent n°CH-96-10763 1996

 

Valmalette J.C., Gavarri J-R., Vacquier G., Lefèvre J. et Legrand P., ”Vanadium dioxide microparticles, method for preparing same, and use thereof, particular for surface coating”, International Patent n° PCT/FR95/01450 1995

 

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Books & Thesis: 

 

Gucciardi P. G., Lamy de la Chapelle M., Valmalette J.-C., Picardi G., Ossikovski R.

Scanning Probe Microscopy in Nanoscience and Nanotechnology Series: NanoScience and Technology

Bhushan, Bharat (Ed.) 1st Edition., 2010 ISBN: 978-3-642-03534-0

 

Villain S., Gavarri J.-R., Thommerel E., Kopia A., Musso J., Valmalette J.C., Fremy M.A., Nigrelli E., Pischedda M.H.

“Electrical percolation, reactivity and degradation in resistor-capacitor composite materials: modeling and predictions.“,

Recent Research Developments in Solid State Ionics, Transworld Research Network, Ed. S.G. Pandalai 2002

 

J. C. Valmalette

“Synthèses et propriétés physico-chimiques de matériaux nanostructurés”

Habilitation Thesis 2002

 

J. C. Valmalette

“Composites thermochromes à base de dioxyde de vanadium”

PhD Thesis 1994

 

 

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Per Review Proceedings

 

 

A. Merlen, V. Chevallier, J. C. Valmalette, F. Lagugne-Labarthet, E. Harte

“Surface Enhanced Spectroscopy of Organic Molecules Deposited on Nanostructured Gold Surfaces”

22nd International Conference on Raman Spectroscopy, AIP Conference Proceedings, Vol. 1267 p. 920-921 (2010)

 

Romann J., Chevallier V., Merlen A., Valmalette J.C.

Self-assembly and Raman spectroscopy of additive coated nanocrystals

Mater. Res. Soc. Symp. Proc, pp xx-xx 2009 (to be published)

 

Turquat Ch., Demolliens A., Razafindramora J., Merlen A., Valmalette, J-Ch., and Muller Ch., Müller R., L. Goux L., and Wouters D. J.

“Resistance switching of CuTCNQ nanowires developed for high-density memory devices”, Non-Volatile Memory Technology IEEE Symposium, 10-13 Nov. p. 45 – 48 (2007)

 

Guinneton F., Sauques L., Valmalette J.C., Cros F., Gavarri J.R.

“Vanadium dioxide switching nanomaterials : role of microstructure on infrared properties”

XVIth Physical Metallurgy and Materials Science Conference on Advanced Materials and Technologies AMT'2001, Nr 124, Rok XXII, Wrzesien-Pazdzirnik, p. 372- (2001)

 

Scholz S.M., Carrot G., Hilborn J., Dutta J., Valmalette J.C., H.Hofmann, A.Luciani

“Optical properties of gold-containing poly(acrylic acid) composites”

Mater. Res. Soc. Symp. Proc., Vol. 501, pp. 79-84 (1998)

 

Valmalette J.C., Dutta J., Scholz S.M. and Hofmann H.

“Optical properties of gold clusters precipitated on zirconia particles”

Mater. Res. Soc. Symp. Proc., Vol. 501, pp. 85-88 (1997)

 

Hofmann H., Dutta J., Scholz-Odermatt S., and Valmalette J.C.

« Potential of nanosized ceramic powder for functional application »

Ceram. Eng. Sc. Proc. , Vol. 18 No. 4 B, p. 687-694 (1997)

 

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Invited International Conferences (Oral)

 

Valmalette J.C.

"New trends in enhanced Raman spectrocopy in nanoscience and biotechnology : first evidence of light induced electron transfer in a 'photosynthetic-like' insect"

1st France-Japan Symposium on Green-Materials and Advanced Characterization GMAC2013, Hyères, June 2013

 

Valmalette J.C., Ogawa T., Romann J., Tan Z., Ohara S., Isoda S.

Self-Assembling Mechanism of Hierarchical Mesocrystalline Structures”

IUMRS-ICEM International Conference on Electronic Materials

Yokohama-Japan, Sept. 23-28, 2012

 

Valmalette J.C., Ogawa T., Romann J., Tan Z., Ohara S., Isoda S.

Self-Assembling Mechanism of Hierarchical Mesocrystalline Structures”

Conference on Crystal Growth NCCG-41, Tsukuba, Japan Nov. 3-5, 2011

 

Valmalette JC, Ogawa T., Romann J., Isoda S.

“Mesocrystalline Structure of Nanocrystals”

E-MRS Nice 2011 9-13 April 2011

 

Valmalette J.C.

“Recent developments in Raman spectroscopy for nanosciences”

18° Congresso Brasileiro de Engenharia e Ciência dos Materiais, CBECiMat’18 Porto de Galinhas – Brazil 2008

 

Valmalette J.C., Isa M., Lucazeau G., Niepce J.C.

"Recent observations on the stability of very small ZrO2 crystals"

Symposium Nanostructured Materials – European Congress on Advanced Materials and Processes, EUROMAT’03, 1-5 Sept 2003, Lausanne, Switzerland, 2003

 

Gavarri J.R., Thommerel E., Villain S., Musso J., Valmalette J.C., Kopia A., Suliga I., Kusinski J., “Percolation and degradation in composite materials”

16th Advanced Materials and Technologies, Gdansk-Jurata, Poland, 2001

 

Gavarri J.R., Guinneton F., Valmalette J.C., S. Villain, Leroux C.

“Les nanomatériaux régulateurs : filters thermochromes et nano-capteurs”

Séminaire franco-tunisien d’automatique, Kerkennah-Sfax – Tunisie 2000

 

Hofmann H., Dutta J., Scholz-Odermatt S., Valmalette J.C.

« Potential of nanosized ceramic powder for functional application »

American Ceramic Society meeting, ACS Meeting Cocoa Beach-Florida, 1997

 

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International Conferences (Oral)

 

 

Romann J. Royset A., Valmalette J.C., Tranel G., Einarsrud M.A

"Plasmonic Diatom Bio-Nanostructures for Enhanced Light Harvesting Properties"

MRS Fall Meeting, Boston USA, Nov. 25-30, 2012

 

J.-C. Valmalette, Z. Tan, H. Abe, S. Ohara

"Inelastic scattering of very small Ag nanoparticles linear chains on SWCNT"

International Conference on Enhanced Raman Spectroscopy, ICES2012, Porquerolles France, 1-5 Oct. 2012

 

Russo P., Compagnini G., D’Andrea C., Maragò O. M., Gucciardi P.G., Valmalette J.C.

" Raman monitoring of strain induced effects in mechanically deposited single layer graphene”

Carbomat Carbon-based low-dimensional Materials, Dec. 5-7, Catania Italy, 2011

 

Valmalette JC  and  Gucciardi PG,

Different LO - TO mode amplification in Tip Enhanced Raman Spectroscopy of GaAs(001) Tip Enhanced Raman Spectroscopy

TERS II, Teddington (UK) 5-6 July 2011

 

Gucciardi PG, Valmalette JC, M. Lopes, R. Deturche, M. Lamy de la Chapelle, D. Barchiesi, F. Bonaccorso, C. D’Andrea, M. Chaigneau, G. Picardi, R. Ossikovski,

“Light depolarization effects in tip enhanced Raman spectroscopy of Si(001) and GaAs(001)”

Electromagnetic and Light Scattering - ELS XIII, Taormina Italy, 26-30 Sept. 2011

 

Valmalette JC, Tan Z, Abe H, Ohara S.

“Plasmonic effect of Ag decorated Self-Assembled Monolayers on SWCNT”

E-MRS Nice 2011 9-13 April 2011

 

Valmalette JC, Romann J, Sato K, Ohara S.

“Enhanced inelastic scattering of molecules deposited on copper 3D plasmonic structures”

E-MRS Nice 2011 9-13 April 2011

 

Valmalette J.C., Romann J., Sato K., Ohara S.
« 3D copper Nanostructure for Plasmonic Detection of Molecules »
3rd International Conference on Ceramics ICC3, Osaka - Japan, Nov. 14-18, 2010

 

Valmalette J. C., Romann J., Merlen A., Chevallier V.

« Les Mésocristaux d’oxalate de Cuivre : un exemple remarquable de nanostructuration multi-échelle »

Matériaux 2010, Nantes France, 18-22 Oct. 2010

 

Romann J., Valmalette J.C., Chevallier V., Merlen A.

“Self-assembly of copper oxalate nanocrystals”

EUROMAT’09, Glasgow UK 2009

 

Gucciardi P.G., Lopes M., Bonaccorso F.,Barchiesi D., Déturche R., Merlen A., Valmalette J.C., Lamy de la Chapelle M.

“Light depolarization effects in tip-enhanced Raman spectroscopy”

XXI Congresso GNSR’2009, February 10 – 13, Milano Italy, 2009

 

Merlen A.,Gucciardi P. G., Valmalette J. C.

“Depolarization effects in Tip Enhanced Raman Spectroscopy”

Nanobiophotonics, Marseille France 2009

 

Merlen A., Chevallier V., Turquat C., Muller C., Valmalette J. C., Müller R., Goux L., Wouters D.J

“Switching mechanism in CuTCNQ-based memory structures studied by Raman spectroscopy” International Conference on Raman Spectroscopy  , ICORS London UK (2008)

 

D’Elia D, Suzuki Y, Berger M-H, Valmalette J-C, Hochepied J-F, Beauger C, Rigacci A, Achard P

“Synthesis of vanadium doped TiO2 nanowires: thermal stability and photoactivity for hydrogen production by water splitting”

E-MRS Warsaw 15th September 2008

 

Gucciardi P. G., Lopes M., Barchiesi D., Déturche R., Merlen A., Valmalette J. C., Lamy de la Chapelle M.

“Light depolarization induced by metallic tips and effects in tip-enhanced Raman spectroscopy”

10th International Conference on Near-field Optics NFO10 Buenos Aires, Argentine 2008

 

Valmalette J.C., Isa M., Kameoka S., Dallas J.P., Tsai A.P.

“Spontaneous nanostructuration of gold alloys in air : A new approach for synthesis of nanosized oxides-gold catalysts”

International Conference of the World Gold Council GOLD 2006 Limerick Sept. 2006

 

Isa M., Valmalette J.C., Kameoka S., Dallas J.P., Tsai A.P.

“Spontaneous nanostructuration of gold alloys in air: New way of synthesis of 5 nm nanosized catalysts for water gas shift (WGS) and CO oxidation reactions”

96th CASTJ Meeting, September 28-30, Kumamoto- Japan, 2005

 

Isa M., Valmalette J.C., Muller C., Leroux C., Ait Chaou A., Lomello-Tafin M., Rousset J.L., Mangelinck D., Gas P.

"The reactive nanostructuration of ZrAu alloy: A new approach for synthesis of 2-4 nm Au-ZrO2 nanostructures"

EUROMAT 2003, 1-5 septembre 2003, Lausanne, Switzerland, 2003

 

Valmalette J.C., Isa M., Stadelmann P., Lomello-Tafin M., Passard M., Jorda J.L.

“Transformation at 25°C of Crystallized ZrAu Alloy onto Au /ZrO2 Nanocermet”,

5th International Conference on Nanostructured Materials NANO’2000, Sendai-Japan, 2000

 

Valmalette J.C., Lemaire L., Hornyak G. L., Nihoul G., Hofmann H.

“Etude optique de nano-particules métalliques dans une matrice céramique »

5th European Interregional Conference on Ceramics - CIEC5 , La Garde, 1996

 

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National Conferences & Workshop (Oral)

 

 

Valmalette J. C., Romann J., Merlen A., Chevallier V.

Les mésocristaux d’oxalate de cuivre : un exemple remarquable de nanostructuration multi-échelle

Matériaux 2010, Nantes 18-22 Oct. 2010

 

Valmalette J.C.

Développement d’une instrumentation nano-Raman : une approche multi-physique pour un enjeu transdisciplinaire

1ères journées scientifiques du C’Nano PACA, Porquerolles, France, 28-30 Avril 2008.

 

Isa M., Leroux C., Valmalette J.C.  

An amazing phenomenon : ZrAu ultrafast oxidation in air and at room temperature. Study with different microscopy techniques”

8e Congrés de la Société Française des Microscopies, SFm 2003 23-26 juin 2003, Toulon, 2003

 

Valmalette J.C., « Auto-assemblage de nanocristaux à faces différenciées »

NanoHybrides0, 2-6 juin 2003, Carry-le-Rouet, 2003

 

Isa M., Valmalette J.C., Muller C., Leroux C., Lomello-Tafin M., Gas P.

"Ultrafast reactive nanostructuration of ZrAu intermetallic compound"

16eme Journées de la chimie SFC PACA, SFC 2003 3 avril 2003, Marseille, 2003

 

Isa M., Valmalette J.-Ch., Muller Ch., Gavarri J.-R.

«Gold cluster growth during selective ZrAu oxidation at room temperature »

Colloque annuel du Groupe Français de Croissance Cristalline

GFCC, 13-15 mars 2002, Toulon, 2002

 

Muller C., Adams S., Bouree F., Valmalette J.-C., Gavarri J.R.

 “Lithium diffusion pathways in LiVO3”

 10e Journées de la Diffusion Neutronique, JDN10 Trégastel, France, 2001

 

Valmalette J.C.  

« La chimie des Nanomatériaux »

Journée de la Société Française de Chimie, SFC’98, La Garde, 1998

 

Valmalette J.C., Lemaire L., Dutta J., Hofmann H.

« Interface of the metal-ceramic nanocomposites »

16e Journée des Matériaux de l’EPFL , Lausanne, 1996

 

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Invited Seminars & Workshops

 

Valmalette J.C.

NTNU Trondheim, Norway, Jan 2013

(invited by Prof. Mari Ann Einarsrud)

 

Valmalette J.C.

University of Tsukuba - Japan, Nov. 2012

(invited by Prof. Yoshikazu Suzuki)

 

Valmalette J.C.

Gunma University - Japan, May 2012

(invited by Prof. Takayuki Takarada)

 

Valmalette J.C.

Kobe University - Japan, May. 2012

(invited by Prof. Shinji Hayashi)

 

Valmalette J.C.

Osaka University - Japan, Nov. 2011

(invited by Prof. Satoshi Ohara)

 

Valmalette J.C.

Kyoto University - Japan, June 2011

(invited by Prof. Seiji Isoda)

 

Valmalette J.C.

Tohoku University - Japan, June 2011

(invited by Prof. Seiichi Takami)

 

Valmalette J.C.

Osaka University - Japan, Nov. 2010

(invited by Prof. Hiroya Abe)

 

Valmalette J.C.

Kobe University - Japan, Nov. 2010

(invited by Prof. Shinji Hayashi)

 

Valmalette J.C.

Kyoto University - Japan, Fev. 2010

(invited by Prof. Yoshiki Chujo)

 

Valmalette J.C.

Kyoto University - Japan, Fev. 2010

(invited by Prof. Yoshikazu Suzuki)

 

Valmalette J.C.

Ural State University - Russie, Janv. 2010

(invited by Prof. Vladimir Shur)

 

Valmalette J.C.

EMPA Thun Switzerland, Juil 2010

(invited by Prof. Johan Michler)

 

Valmalette J.C.

Kyoto University - Japan, Nov. 2009

(invited by Prof. Seiji Isoda and Prof. Yuichi Shimakawa)

 

Valmalette J.C., Guinneton F., Sauques L.

Journée thématique "Matériaux pour la furtivité radar et infrarouge"

Invitation from ONERA – Châtillon, 17 mars 2009

 

Valmalette J.C.

Univ. Federal do Rio Grande do Norte, Brésil 2008

(Joined invitation from Prof. Carlson PEIREIRA DE SOUZA and Prof. Clodomiro ALVES JUNIOR)

 

Valmalette J.C.

Swiss Federal Laboratories for Materials Testing and Research (EMPA) Thoune, Suisse 2008

(Invited by Prof. Johann Michler)

 

Centre de Recherche Paul Pascal (CRPP) UPR-8641 CNRS, Pessac 2004

(Invited by Prof. Olivier Mondain-Monval)

 

 

Atelier sur « Etat Cristallin et Transitions de Phases dans les Nano-Cristaux », LRRS UMR-5613 CNRS Université de Bourgogne, Dijon 2002

 

Centre de Recherche Cezus-Framatome, Ugines 2002

 

International workshop on Nanomaterials : Between research and industry“, Lausanne (1995)

 

Valmalette J.C.

Les apports de la diffraction de rayons X et de la spectroscopie Raman à l'étude expérimentale d'une corrosion nanostructurante.

Spectroscopie Raman et Chimie-physique des Matériaux (transitions de phases, couches minces et modélisation), SRCPM-2 Ecole de Physique des Houches, France, 10-17 mars 2002

  

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Poster Communications

 

 

Gucciardi P. G., Bonaccorso F., Lopes M., Barchiesi D., Déturche R., Lamy de La Chapelle M., Merlen A., Valmalette J. C., Picardi G., Frigout A., Ossikovski R.

“Polarization-sensitive Tip Enhanced Raman Scattering”

2nd Int. Conf. on Metamaterials, Photonic Crystals and Plasmonic, META’10 Cairo – Egypt 2010

 

Romann J., Chevalllier V., Merlen A., Valmalette J.C.

“Self-assembly and Raman spectroscopy of additive coated nanocrystals”

MRS Spring Meeting, San Francisco 2009

 

Valmalette J.C., Merlen A., Chevallier V., Gucciardi P. G.

“Some questions about near field Raman spectroscopy (TERS)”

International Conference on Raman Spectroscopy ICORS London UK 2008

 

Valmalette J.C., Gucciardi P.G., Merlen A., Chevallier V.,

Tip-Enhanced Raman Scattering induced by gold coated tips on Si (100) crystals

Forum des Microscopies à Sonde Locale, MSL’08 La londe 2008

 

Valmalette J. C., Gucciardi P. G., Merlen A. and Chevallier V.

“Wavelength and distance dependence of the Tip-Enhanced Raman scattering induced by gold coated tips on Si (100) crystals”

Tip Enhanced Raman and Fluorescence Spectroscopy TERFS, Teddington UK 24-25 january 2008

 

Romann J., Chevallier V., Merlen A., Valmalette J.C.,

Auto-assemblage de nanocristaux d'oxalate de cuivre (II) Contrôle de l’organisation et réversibilité

Forum des Microscopies à Sonde Locale, MSL’08 La londe 2008

 

Merlen A., Chevallier V., Muller C., Turquat C. and Valmalette J. C.

“Raman spectroscopy on Cu-TCNQ based high-density non volatile memories”

Ecole Thématique Nanosoft, Roscoff 2007

 

Romann J., Chevallier V., Merlen A., Valmalette J.C.

« Synthèse et étude de supracristaux facettés d'oxalate de cuivre II, système de nanocristallites auto-assemblés et à faces différenciées »

XXèmes Journées de la SFC-PACA, Avignon, 24 mai 2007

 

Romann J., Chevallier V., Merlen A. et Valmalette J.C.

« Etude de supracristaux d’oxalate de cuivre (II) par AFM »

Nanosoft, école thématique du CNRS, Roscoff, 21-25 Mai 2007

 

Guinneton F., Sauques L., Valmalette J.C., Cros F., Gavarri J.R.

« Matériaux thermochromes nanotexturés à base de dioxyde de vanadium : application à la discrétion infrarouge»

SFC 2002, Journées franco-italiennes de chimie, 18-19 avril 2002 Juan-les-Pins, France (2002)

 

Isa M., Valmalette J.C., Muller C., Leroux C., Lomello M., Galez P., Gavarri J.R.

«Nanostructuring oxidation of ZrAu ingots at air and room temperature: a new way of synthesis of powders for catalytic gas sensors »

Matériaux 2002, Tours, France (2002)

 

Sanz N., Lomello-Tafin M., Passard M., Valmalette J.C., Isa M., Jorda J.L., Galez P.

“Preparation and characterization of Au/ZrO2 nanoparticles obtained by oxidation of ZrxAuy alloy”

Thin Films Deposition of Oxide multilayers Hybrid Structures TFDOM2, Autrans, France, 2001.

 

Thommerel E., Valmalette J.C., Musso J., Villain S., Gavarri J.R. , Spada D.

 “Modelling of transport properties in metal-insulator composites”

16th Advanced Materials and Technologies, Gdansk-Jurata, Poland, 2001

 

Guinneton F., Sauques L., Valmalette J.C., Cros F., Gavarri J.R.

“Vanadium dioxide switching nanomaterials : Role of microstructure on infrared properties”

16th Advanced Materials and Technologies, Gdansk-Jurata, Poland, 2001

 

Sanz N., Passard M., Valmalette J.C., Isa M., Lomello M.

“Preparation and characterization of Au/ZrO2 nanoparticles obtained by oxidation of ZrxAuy alloy”

E-MRS Spring Meeting 2001, June 5-8 2001, Strasbourg, France (2001)

 

Muller C., Valmalette J.C., Leroux C., Soubeyroux J.L., Bouree F., Gavarri J.R.

“Structural behaviour of the ionic conductor LiVO3 in the temperature range 300 K - 890 K”

7th European Powder Diffraction Conference EPDIC7, Barcelone, Spain (2000)

 

Valmalette J.C., Villain S., Leroux C., Gavarri J.R.

“Size Effect in the Ferroelectric LiVO3”

5th International Conference on Nanostructured Materials, Nano’2000, Sendai, Japan (2000)

 

Valmalette J.C.  and Gavarri J.R.

« Synthesis and Properties of nanocrystalline VO2 »

4th International Conference on Nanostructured Materials Nano’98, Stockholm, Sweeden (1998)

 

Jongen N., Bowen P., Lemaitre J., Valmalette J.C., Hofmann H.

“Self-Organized Aggregation of Copper Oxalate Nanocrystallites”

Biosurf’98, Lausanne, Switzerland (1998)

 

Valmalette J.C., Lomello-Tafin M., Galez P., Jorda J.L.

« Spontaneous formation of nanopowders at room temperature by oxidation of ZrxAuy alloys »

4th International Conference on Nanostructured Materials Nano’98, Stockholm, Sweeden (1998)

 

Ch. Turquat, Ch. Leroux, M. Roubin, J.-C. Valmalette and G. Nihoul

« Synthesis and structural investigation of substituted HfO2 nanocrystals »

4th International Conference on Nanostructured Materials Nano’98, Stockholm, Sweeden (1998)

 

Jongen N., Bowen P., Lemaître J., Valmalette J.C., Hofmann H.

« Self-organised aggregation of copper oxalate nanocrystallites : influence of cellulose derivatives »

72nd Surface and Colloidal Chem. Symp., Pennsylvania State university, USA (1998)

 

Lomello-Tafin M., Valmalette J.C., Galez P., Feschotte P., Jorda J.L.

« Mécanismes d’oxydation des alliages Zr-Au et Hf-Au »

Journées d’Equilibres Entre Phases JEEP’98 , Nancy, France (1998)

 

Jongen N., Bowen P., Valmalette J.C., Lion D., Lemaître J., Hofmann H.

« Influence d’un additif polymérique sur la morphologie de particules d’oxalate de cuivre »

2e Colloque Science et Technologie des Poudres, Lyon, France (1998)

 

Scholz S.M., Carrot G., Hilborn J., Dutta J., Valmalette J.C., Hofmann H., Luciani A.,

“Optical properties of gold-containing poly(acrylic acid) composites”

MRS Fall Meeting, Symposium : Surface-Controlled Nanoscale Materials for High-Added-Value Applications, Boston, USA (1997)

 

Valmalette J.C., Dutta J., Scholz S.M., Hofmann H.

« Optical properties of gold clusters precipitated on zirconia particles »

MRS Fall Meeting, Symposium : Surface-Controlled Nanoscale Materials for High-Added-Value Applications, Boston, USA (1997)

 

Lemaire L., Scholz S.M., Valmalette J.C., Lemaître J., Hofmann H.

“Lowering of sintering temperature of 3Y-TZP by CuO additive”

Euromat’97 Maastricht, Netherland, (1997)

 

Carrot G., Valmalette J.C., Plummer C.J.G., Hilborn C.J., Scholz-Odermatt S., Dutta J., Hofmann H.

«Stabilization and self-organization of nanoparticles by polymers”

MRS Spring Meeting, Symposium on Interfacial Effects and Organisation of Inorganic-Organic Composite Solids, San-Francisco, USA (1997)

 

Dutta J., Hofmann H., Houriet R., Valmalette J.C., Hofmeister H.

«Potential of Nanosized Ceramic Powder For Functional Application “

21th Annual Cocoa Beach Conf., Cocoa Beach, Florida, USA (1997)

 

«Dynamical Maxwell-Garnett theory application to nanogold-porous aluminium oxide composites: a complete study of the kappa and Mie effects”, 3rd International Conference on Nanostructured Materials - Nano’96 , Kona, Hawaii, USA (1996)

 

«Optical characterization of Au/Ag nanoalloy-porous aluminium oxide composite thin films and comparisons with effective medium theory”

3rd International Conference on Nanostructured Materials - Nano’96 , Kona, Hawaii (1996)

 

“In-situ electron diffraction crystallographic study of the phase transition VO2(B) ® VO2(A) ® VO2 rutile”, 11th European Congress on Microscopy, EUREM, Dublin, Ireland (1996).

 

“Crystallization behaviour of nano-sized silicon powder prepared by plasma-induced clustering reactions”

5th World Congress of Chemical Engineering, San-Diego, USA (1996).

 

Valmalette J.C., Gavarri J.R.

Journées de la Société Française de Chimie, Marseille, France (1994).

 

Valmalette J.C., Gavarri J.R., P. Satre

“Optimization and modelling of optical switching in a thermochromic coating”

4e Journées Maghrebines des Sciences des Matériaux, Casablanca, Maroc  (1994).

 

Valmalette J.C.  and Gavarri J.R.

« Films thermochromes : VO2/polymère, modélisation des propriétés optiques »

Journées de la Société Française de Physique - JMC4, Rennes, France (1994).

 

Séminaire International de la Physico-Chimie des Matériaux Solides, El-Jadida, Maroc  (1993)

 

Valmalette J.C. and Gavarri J.R.

« Analyse par spectroscopie IRTF des propriétés thermochromes de composites à base de pigments de VO2 »

Journées de la Société Française de Chimie, La Garde, France (1993).

 

Valmalette J.C., and Gavarri J.R.

« Etude de la transition optique du dioxyde de vanadium thermochrome : pyranométrie et modélisation »

Journées de la Société Française de Chimie, La Garde, France (1993).

 

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Popularization

 

Papers cited in Nature News, Scientitific American, New Scientist, Le Monde, ...

 

Valmalette J.C.

Conférences tout public sur le thème des Nanotechnologies en association avec l’exposition itinérante de la Cité de Sciences de la Villette à l’invitation de communes du Var

Le Cannet-des-Maures 2009

 

Reportage France3 Région à l’occasion de l’inauguration du spectromètre micro-Raman et son couplage à un microscope à force atomique

 

Rossi M., Sanchez R., Scholly F., Chauzu E., Merlen A. et Valmalette J.C

DVD « Présentation de la Microscopie Raman », Université du Sud Toulon Var 2008

 

Valmalette J.C.

« Un oeil au coeur des nanotechnologies : enjeux scientifiques et industriels »

2èmes Journées Scientifiques Euro-méditerranéennes, La Garde 8-9 nov. 2007

 

Participation à plusieurs édition de la Fêtes de la Science (« Du minerai … au supraconducteur », « Le thermochromisme et ses applications », …)

 

 

 

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