Nathalie VIART

Nathalie VIART

Professeure, Chimie des Matériaux Inorganiques (DCMI)nathalie.viart@ipcms.unistra.fr
Poste: +33(0)3 88 10 72 59Bureau: 2011

Parcours de recherche

  • 2007 Professeur des Universités – Ecole Européenne de Chimie, Polymères et Matériaux de Strasbourg (ECPM), Université de Strasbourg (Unistra), Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS)
  • 1997 Maître de conférences – Université Louis Pasteur – Strasbourg, Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS)
  • 1996-1997 Post-doctorat : Université d’Oxford (Clarendon Laboratory), Angleterre, Equipe du Dr. J. F. Gregg. « Introduction d’oxydes dans les dispositifs magnétorésistifs ». Participation au programme européen Oxide Spin Electronics Network (OXSEN, contrat Training and Mobility of Researchers).

Parcours universitaire

  • 2005 Habilitation à Diriger des Recherches « Matériaux composites à propriétés magnétiques et/ou électriques : de la poudre aux couches minces », Garante : Dr. G. Pourroy
  • 1996 Doctorat, Université Louis Pasteur, Strasbourg I, « Elaboration par le procédé sol-gel de nanocomposites magnétiques silice / oxyde de fer », Institut de Physique et Chimie des Matériaux de Strasbourg, Directeurs : Pr. J. Guille, Dr. J.-L. Rehspringer

Recherches actuelles

Oxydes fonctionnels en couches minces
GFO Le magnétoélectrique Ga2-xFexO3
Spinelle Les spinelles CoFe2O4 and FeV2O4
Nickelates Nickelates de terres rares
MISSION Le projet ANR « Magnetoelectric Oxides for Spintronics » (MISSION)

Publications

[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]
S.K. Sinha, A. Khammari, M. Picher, F. Roulland, N. Viart, T. LaGrange, F. Banhart, Nanosecond electron pulses in the analytical electron microscopy of a fast irreversible chemical reaction, Nature Communications. 10 (2019) 3648. https://doi.org/10.1038/s41467-019-11669-w.
[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]
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]
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. 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]
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]
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]
G. De Luca, M.D. Rossell, J. Schaab, N. Viart, M. Fiebig, M. Trassin, Domain Wall Architecture in Tetragonal Ferroelectric Thin Films, Advanced Materials. 29 (2017) 1605145. https://doi.org/10.1002/adma.201605145.
[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.