Christophe LEFEVRE

Christophe LEFEVRE

Chargé de Recherche, Inorganic Materials Chemistry (DCMI)christophe.lefevre@ipcms.unistra.fr
Station: +33(0)3 88 10 71 28Office: 2008
See personal page

click on pictures/logos for links

Research background

CNRS 2008-today: Associate scientist at CNRS
EWHA 08/2012-07/2013 : Visiting Professor at Ewha Womens University (Seoul / South Korea)
CEA 2007-2008 : Post-doctoral internship at CEA (Valduc) : “Structural properties of actinides under high static pressure and high temperature”
MPI 2004-2007 : Post-doctoral internship at the Max Planck Institut (Stuttgart) : “Structural and magnetic properties of \(R_2T_2X\) (R = La-Lu, Y ; T = Fe, Co ; X = Br, I) compounds”

Academic background

UdS 2014 : Habilitation (Univ. Strasbourg). “Structure-property relationship of different oxides for spintronics”
Jury :
Jean-Marc Grenèche (President), IMMM (Le Mans)
Philippe Taihades, CIRIMAT (Toulouse)
Josep Foncuberta, ICAMB (Barcelone)
Wilfrid Prellier, CRISMAT (Caen)
Vincent Favre-Nicolin, CEA (Grenoble)
Geneviève Pourroy, IPCMS (Strasbourg)
Nathalie Viart, IPCMS (Strasbourg)
UHP 2001-2004 : PhD (Univ. Henri Poincaré (Nancy)) “Structural, magnetic and electrical properties of HfFe6Ge6 -type RMn6X6-xX’x (R = Gd-Lu, Y, Sc ; X = Ge, Sn ; X’ = Ga, In) compounds”
Jury :
Marc Drillon (Président), IPCMS (Strasbourg)
Bernard Chevalier, ICMCB (Bordeaux)
Olivier Isnard, Univ. Joseph. Fourrier (Grenoble)
Fabio Canepa, Univ. Genova (Gênes)
Kurt Hiebl, Univ. Wien (Vienne)
Gerard Venturini, LCSM (Nancy)
Bernard Malaman, LCSM (Nancy)

Current researches

• Synthesis and characterisation of functional oxides
Spinelle The CoFe2O4 and FeV2O4 spinel compounds
GFO The multiferroic Ga2-xFexO3[/latex] compounds
• Partnership and Valorization
Dassault-Aviation Collaboration with Dassault-Aviation
Moliere Joint Research Lab Moliere

Expertise & Software Development

• X-rays Diffraction
Rietveld Le Bail & Rietveld Analyses
REXS Resonant diffraction
• Development
FitREXS FitREXS : simulation and refinement of DANES spectra

Other / Networks

Other :
• CRPP (Competent Radiological Protection Person)

Networks :
Researchgate Twitter

Publications

[1]
A. Walter, C. Billotey, A. Garofalo, C. Ulhaq-Bouillet, C. Lefèvre, J. Taleb, S. Laurent, L. Vander Elst, R.N. Muller, L. Lartigue, F. Gazeau, D. Felder-Flesch, S. Bégin-Colin, Mastering the Shape and Composition of Dendronized Iron Oxide Nanoparticles To Tailor Magnetic Resonance Imaging and Hyperthermia, Chemistry of Materials. 26 (2014) 5252–5264. https://doi.org/10.1021/cm5019025.
[1]
A. Thomasson, S. Cherifi, C. Lefèvre, F. Roulland, B. Gautier, D. Albertini, C. Mény, N. Viart, Room temperature multiferroicity in Ga0.6Fe1.4O3:Mg thin films, Journal of Applied Physics. 113 (2013) 214101. https://doi.org/10.1063/1.4808349.
[1]
A. Thomasson, J. Kreisel, C. Lefèvre, F. Roulland, G. Versini, S. Barre, N. Viart, Raman scattering of magnetoelectric gallium ferrite thin films, Journal of Physics-Condensed Matter. 25 (2013) 045401. https://doi.org/10.1088/0953-8984/25/4/045401.
[1]
A. Thomasson, F. Ibrahim, C. Lefèvre, E. Autissier, F. Roulland, C. Mény, C. Leuvrey, S. Choi, W. Jo, O. Cregut, G. Versini, S. Barre, M. Alouani, N. Viart, Effects of iron concentration and cationic site disorder on the optical properties of magnetoelectric gallium ferrite thin films, RSC Advances. 3 (2013) 3124–3130. https://doi.org/10.1039/c2ra22681b.
[1]
G.D. Salian, B.M. Koo, C. Lefèvre, T. Cottineau, C. Lebouin, A.T. Tesfaye, P. Knauth, V. Keller, T. Djenizian, Niobium Alloying of Self-Organized TiO2 Nanotubes as an Anode for Lithium-Ion Microbatteries, Advanced Materials Technologies. 3 (2017) 1700274. https://doi.org/10.1002/admt.201700274.
[1]
F. Roulland, C. Lefèvre, A. Thomasson, N. Viart, Study of Ga(2-x)FexO3 solid solution: Optimisation of the ceramic processing, in: Journal of the European Ceramic Society, 2013: pp. 1029–1035. https://doi.org/10.1016/j.jeurceramsoc.2012.11.014.
[1]
Z. Raolison, Q. Clement, A.-L. Adenot-Engelvin, N. Mallejac, C. Lefèvre, G. Pourroy, F. Boust, N. Vukadinovic, Broadband Permeability Spectra of Flake-Shaped Ferromagnetic Particle Composites, in: IEEE Transactions on Magnetics, 2017: p. 2801704. https://doi.org/10.1109/TMAG.2017.2735943.
[1]
Z. Raolison, C. Lefèvre, J. Neige, A.-L. Adenot-Engelvin, J.M. Greneche, N. Vukadinovic, G. Pourroy, Structural and microwave properties of silica-coated NiFeMo flakes/polymer composites, Materials Research Express. 2 (2015) 026101. https://doi.org/10.1088/2053-1591/2/2/026101.
[1]
Z. Raolison, C. Lefèvre, J. Neige, A.L. Adenot-Engelvin, G. Pourroy, N. Vukadinovic, Preparation and Microwave Properties of Silica Coated Ni-Fe-Mo Flakes Composites, in: IEEE Transactions on Magnetics, 2013: pp. 986–989. https://doi.org/10.1109/tmag.2012.2225025.
[1]
D. Preziosi, S. Homkar, C. Lefèvre, M. Salluzzo, N. Viart, Unusual anisotropic magnetic orbital moment obtained from x-ray magnetic circular dichroism in a multiferroic oxide system, Phys. Rev. B. 103 (2021) 184420. https://doi.org/10.1103/PhysRevB.103.184420.
[1]
B.P. Pichon, O. Gerber, C. Lefèvre, I. Florea, S. Fleutot, W. Baaziz, M. Pauly, M. Ohlmann, C. Ulhaq, O. Ersen, V. Pierron-Bohnes, P. Panissod, M. Drillon, S. Bégin-Colin, Microstructural and Magnetic Investigations of Wüstite-Spinel Core-Shell Cubic-Shaped Nanoparticles, Chemistry of Materials. 23 (2011) 2886–2900. https://doi.org/10.1021/cm2003319.
[1]
S.H. Oh, R.H. Shin, C. Lefèvre, A. Thomasson, F. Roulland, Y. Shin, D.-H. Kim, J.-Y. Kim, A. Demchenko, C. Leuvrey, C. Mény, W. Jo, N. Viart, Incorporation of cobalt ions into magnetoelectric gallium ferrite epitaxial films: tuning of conductivity and magnetization, RSC Advances. 5 (2015) 34265–34271. https://doi.org/10.1039/c5ra03609g.
[1]
E. Miyako, B.P. Pichon, C. Menard-Moyon, I.A. Vacchi, C. Lefèvre, S. Bégin-Colin, A. Bianco, Design, synthesis, characterization and properties of magnetic nanoparticle-nanocarbon hybrids, Carbon. 96 (2016) 49–56. https://doi.org/10.1016/j.carbon.2015.09.045.
[1]
E. Martin, F. Roulland, S. Grenier, F. Appert, J. Juraszek, M. Trassin, C. Bouillet, E. Chikoidze, C. Arnold, B. Berini, Y. Dumont, S. Colis, S. Barre, G. Versini, D. Preziosi, C. Leuvrey, N. Blanc, N. Boudet, G. Pourroy, N. Viart, C. Lefèvre, Non-auxeticiauxetic transitions inducing modifications of the magnetic anisotropy in CoFe2O4 thin films, Journal of Alloys and Compounds. 836 (2020) 155425. https://doi.org/10.1016/j.jallcom.2020.155425.
[1]
X. Liu, B.P. Pichon, C. Ulhaq, C. Lefèvre, J.-M. Greneche, D. Begin, S. Bégin-Colin, Systematic Study of Exchange Coupling in Core Shell Fe3-delta O4@CoO Nanoparticles, Chemistry of Materials. 27 (2015) 4073–4081. https://doi.org/10.1021/acs.chemmater.5b01103.
[1]
C. Lefèvre, A. Demchenko, C. Bouillet, M. Luysberg, X. Devaux, F. Roulland, G. Versini, S. Barre, Y. Wakabayashi, N. Boudet, C. Leuvrey, M. Acosta, C. Meny, E. Martin, S. Grenier, V. Favre-Nicolin, N. Viart, Nondestructive Method for the Determination of the Electric Polarization Orientation in Thin Films: Illustration on Gallium Ferrite Thin Films, Small Methods. 1 (2017) 1700234. https://doi.org/https://doi.org/10.1002/smtd.201700234.
[1]
C. Lefèvre, A. Thomasson, F. Roulland, V. Favre-Nicolin, Y. Joly, Y. Wakabayashi, G. Versini, S. Barre, C. Leuvrey, A. Demchenko, N. Boudet, N. Viart, Determination of the cationic distribution in oxidic thin films by resonant X-ray diffraction: the magnetoelectric compound Ga$\sb 2$-$ıt x$Fe$\sb ıt x$O$\sb 3$, Journal of Applied Crystallography. 49 (2016) 1308–1314. https://doi.org/10.1107/S1600576716010001.
[1]
C. Lefèvre, R.H. Shin, J.H. Lee, S.H. Oh, F. Roulland, A. Thomasson, E. Autissier, C. Mény, W. Jo, N. Viart, Reduced leakage currents and possible charge carriers tuning in Mg-doped Ga0.6Fe1.4O3 thin films, Applied Physics Letters. 100 (2012) 262904 /p.1–4. https://doi.org/10.1063/1.4729872.
[1]
C. Lefèvre, F. Roulland, A. Thomasson, E. Autissier, C. Leuvrey, S. Barre, G. Versini, N. Viart, G. Pourroy, Stabilization of scandium rich spinel ferrite CoFe(2-x)Sc(x)O4 (x <= 1) in thin films, Journal of Solid State Chemistry. 232 (2015) 118–122. https://doi.org/10.1016/j.jssc.2015.09.012.
[1]
C. Lefèvre, F. Roulland, A. Thomasson, C. Mény, F. Porcher, G. Andre, N. Viart, Magnetic and Polar Properties’ Optimization in the Magnetoelectric Ga2-xFexO3 Compounds, Journal of Physical Chemistry C. 117 (2013) 14832–14839. https://doi.org/10.1021/jp403733b.
[1]
B. Kundys, F. Roulland, C. Lefèvre, C. Mény, A. Thomasson, N. Viart, Room temperature polarization in the ferrimagnetic Ga2-xFexO3 ceramics, Journal of the European Ceramic Society. 35 (2015) 2277–2281. https://doi.org/10.1016/j.jeurceramsoc.2015.02.029.
[1]
S. Homkar, D. Preziosi, X. Devaux, C. Bouillet, J. Nordlander, M. Trassin, F. Roulland, C. Lefèvre, G. Versini, S. Barre, C. Leuvrey, M. Lenertz, M. Fiebig, G. Pourroy, N. Viart, Ultrathin regime growth of atomically flat multiferroic gallium ferrite films with perpendicular magnetic anisotropy, Physical Review Materials. 3 (2019) 124416. https://doi.org/10.1103/PhysRevMaterials.3.124416.
[1]
P. Guardia, S. Nitti, M.E. Materia, G. Pugliese, N. Yaacoub, J.-M. Greneche, C. Lefèvre, L. Manna, T. Pellegrino, Gold-iron oxide dimers for magnetic hyperthermia: the key role of chloride ions in the synthesis to boost the heating efficiency, Journal of Materials Chemistry B. 5 (2017) 4587–4594. https://doi.org/10.1039/c7tb00968b.
[1]
P. Guardia, A. Riedinger, S. Nitti, G. Pugliese, S. Marras, A. Genovese, M.E. Materia, C. Lefèvre, L. Manna, T. Pellegrino, One pot synthesis of monodisperse water soluble iron oxide nanocrystals with high values of the specific absorption rate, Journal of Materials Chemistry B. 2 (2014) 4426–4434. https://doi.org/10.1039/c4tb00061g.
[1]
J. Goetz, A. Nonat, A. Diallo, M. Sy, I. Sera, A. Lecointre, C. Lefèvre, C.F. Chan, K.-L. Wong, L.J. Charbonnière, Ultrabright Lanthanide Nanoparticles, ChemPlusChem. 81 (2016) 526–534. https://doi.org/10.1002/cplu.201600007.
[1]
O. Gerber, B.P. Pichon, C. Ulhaq, J.-M. Greneche, C. Lefèvre, I. Florea, O. Ersen, D. Begin, S. Lemonnier, E. Barraud, S. Bégin-Colin, Low Oxidation State and Enhanced Magnetic Properties Induced by Raspberry Shaped Nanostructures of Iron Oxide, Journal of Physical Chemistry C. 119 (2015) 24665–24673. https://doi.org/10.1021/acs.jpcc.5b08164.
[1]
P. Garcia-Munoz, F. Fresno, C. Lefèvre, D. Robert, N. Keller, Ti- -Modified LaFeO3/beta-SiC Alveolar Foams as Immobilized Dual Catalysts with Combined Photo-Fenton and Photocatalytic Activity, ACS Applied Materials & Interfaces. 12 (2020) 57025–57037. https://doi.org/10.1021/acsami.0c16647.
[1]
P. Garcia-Munoz, F. Fresno, C. Lefèvre, D. Robert, N. Keller, Synergy effect between photocatalysis and heterogeneous photo-Fenton catalysis on Ti-doped LaFeO3 perovskite for high efficiency light-assisted water treatment, Catalysis Science & Technology. 10 (2020) 1299–1310. https://doi.org/10.1039/c9cy02269d.
[1]
P. Garcia-Munoz, F. Fresno, C. Lefèvre, D. Robert, N. Keller, Highly robust La1-xTixFeO3 dual catalyst with combined photocatalytic and photo-CWPO activity under visible light for 4-chlorophenol removal in Chock for water, Applied Catalysis B-Environmental. 262 (2020) 118310. https://doi.org/10.1016/j.apcatb.2019.118310.
[1]
P. Garcia-Munoz, C. Lefèvre, D. Robert, N. Keller, Ti-substituted LaFeO3 perovskite as photoassisted CWPO catalyst for water treatment, Applied Catalysis B-Environmental. 248 (2019) 120–128. https://doi.org/10.1016/j.apcatb.2019.02.030.
[1]
A. Demchenko, Y. Chang, E. Chikoidze, B. Berini, C. Lefèvre, F. Roulland, C. Ulhaq-Bouillet, G. Versini, S. Barre, C. Leuvrey, V. Favre-Nicolin, N. Boudet, S. Zafeiratos, Y. Dumont, N. Viart, Tuning the conductivity type in a room temperature magnetic oxide: Ni-doped Ga0.6Fe1.4O3 thin films, RSC Advances. 6 (2016) 28248–28256. https://doi.org/10.1039/c6ra01540a.
[1]
B. de Tymowski, Y. Liu, C. Mény, C. Lefèvre, D. Begin, P. Nguyen, C. Pham, D. Edouard, F. Luck, C. Pham-Huu, Co-Ru/SiC impregnated with ethanol as an effective catalyst for the Fischer-Tropsch synthesis, Applied Catalysis A-General. 419 (2012) 31–40. https://doi.org/10.1016/j.apcata.2012.01.004.
[1]
M. Darcheville, A.-L. Adenot-Engelvin, C. Boscher, N. Vukadinovic, C. Lefèvre, A. Thiaville, C. Sanchez, Evidence of the Superparamagnetic State in the Zero-Field Microwave Susceptibility Spectra of Ferrimagnetic Nanoparticles, IEEE Magnetics Letters. 11 (2020) 6105305. https://doi.org/10.1109/LMAG.2020.3026228.
[1]
G. Cotin, F. Perton, C. Petit, S. Sall, C. Kiefer, V. Begin, B. Pichon, C. Lefèvre, D. Mertz, J.-M. Greneche, S. Begin-Colin, Harnessing Composition of Iron Oxide Nanoparticle: Impact of Solvent-Mediated Ligand-Ligand Interaction and Competition between Oxidation and Growth Kinetics, Chemistry of Materials. 32 (2020) 9245–9259. https://doi.org/10.1021/acs.chemmater.0c03041.
[1]
G. Cotin, C. Kiefer, F. Perton, D. Ihiawakrim, C. Blanco-Andujar, S. Moldovan, C. Lefèvre, O. Ersen, B. Pichon, D. Mertz, S. Bégin-Colin, Unravelling the Thermal Decomposition Parameters for The Synthesis of Anisotropic Iron Oxide Nanoparticles, Nanomaterials. 8 (2018) 881. https://doi.org/10.3390/nano8110881.
[1]
S. Choi, C. Lefèvre, F. Roulland, C. Mény, N. Viart, B. To, D.E. Shafer, R. Shin, J. Lee, W. Jo, Optical transitions in magnetoelectric Ga0.6Fe1.4O3 from 0.73 to 6.45 eV, Journal of Vacuum Science & Technology B. 30 (2012) 041204 /p.1–5. https://doi.org/10.1116/1.4721649.
[1]
M.T. Camci, M. Pauly, C. Lefèvre, C. Bouillet, M. Maaloum, G. Decher, D. Martel, Polarization-dependent optical band gap energy of aligned semiconducting titanium oxide nanowire deposits, Nanoscale. 13 (2021) 8958–8965. https://doi.org/10.1039/d1nr01236c.
[1]
W. Baaziz, B.P. Pichon, C. Lefèvre, C. Ulhaq-Bouillet, J.M. Greneche, M. Toumi, T. Mhiri, S. Bégin-Colin, High Exchange Bias in Fe3-delta O4@CoO Core Shell Nanoparticles Synthesized by a One-Pot Seed-Mediated Growth Method, Journal of Physical Chemistry C. 117 (2013) 11436–11443. https://doi.org/10.1021/jp402823h.
[1]
W. Baaziz, B.P. Pichon, S. Fleutot, Y. Liu, C. Lefèvre, J.-M. Greneche, M. Toumi, T. Mhiri, S. Bégin-Colin, Magnetic Iron Oxide Nanoparticles: Reproducible Tuning of the Size and Nanosized-Dependent Composition, Defects, and Spin Canting, Journal of Physical Chemistry C. 118 (2014) 3795–3810. https://doi.org/10.1021/jp411481p.