Nathalie VIART

Professeure, Chimie des Matériaux Inorganiques (DCMI)Nathalie.Viart@ipcms.unistra.fr

Tél: +33(0)3 88 10 72 59Bureau: 2009

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
	Le magnétoélectrique Ga_2-xFe_xO₃
	Les spinelles CoFe₂O₄ and FeV₂O₄
	Nickelates de terres rares
	Le projet ANR “Magnetoelectric Oxides for Spintronics” (MISSION)

Publications

[1]

A. Thomasson, F. Ibrahim, C. Lefèvre, E. Autissier, F. Roulland, C. Mény, C. Leuvrey, S. Choi, W. Jo, O. Crégut, 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]

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]

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, G. Roseau, A.P. Corredor, L. Wendling, G. Krieger, C. Lefèvre, M. Trassin, G. Pourroy, N. Viart, Promoting the magnetic exchanges in PLD deposited strained films of FeV2O4 thin films, Materials Chemistry and Physics 276 (2022) 125360. https://doi.org/10.1016/j.matchemphys.2021.125360.

[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]

A. Raji, G. Krieger, N. Viart, D. Preziosi, J.-P. Rueff, A. Gloter, Charge Distribution across Capped and Uncapped Infinite-Layer Neodymium Nickelate Thin Films., Small (2023) e2304872. https://doi.org/10.1002/smll.202304872.

[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, Physical Review B 103 (2021) 184420. https://doi.org/10.1103/PhysRevB.103.184420.

[1]

A. Pena Corredor, M. Gamarde, L. El Khabchi, M.J.V. Bernardez, M. Lenertz, C. Leuvrey, L. Schlur, F. Roulland, N. Viart, C. Lefèvre, Room-temperature magnetism and controlled cation distribution in vanadium ferrite thin films, Materials Chemistry and Physics 314 (2024) 128856. https://doi.org/10.1016/j.matchemphys.2023.128856.

[1]

A. Pena Corredor, N. Viart, C. Lefèvre, inserexs: reflection choice software for resonant elastic X-ray scattering., Journal of Applied Crystallography 56 (2023) 854–859. https://doi.org/10.1107/S1600576723002212.

[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]

B. Meunier, S. Homkar, F. Choueikani, M.G. Silly, C. Lefèvre, F. Roulland, C. Leuvrey, J. Robert, D. Preziosi, N. Viart, Nonmonotonous temperature fluctuations of the orbital moment and spin-orbit coupling in multiferroic gallium ferrite thin films, Physical Review B 106 (2022) 184410. https://doi.org/10.1103/PhysRevB.106.184410.

[1]

E. Martin, S. Grenier, S. Barre, G. Versini, N. Blanc, N. Boudet, F. Roulland, G. Pourroy, N. Viart, C. Lefevre, Deleterious effect of rare earth elements substitution on the auxetic behavior of CoFe2O4 thin films, Journal of Alloys and Compounds 935 (2023) 168082. https://doi.org/10.1016/j.jallcom.2022.168082.

[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. Mény, 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/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]

G. Krieger, A. Raji, L. Schlur, G. Versini, C. Bouillet, M. Lenertz, J. Robert, A. Gloter, N. Viart, D. Preziosi, Synthesis of infinite-layer nickelates and influence of the capping-layer on magnetotransport, Journal of Physics D-Applied Physics 56 (2023) 024003. https://doi.org/10.1088/1361-6463/aca54a.

[1]

G. Krieger, L. Martinelli, S. Zeng, L.E. Chow, K. Kummer, R. Arpaia, M. Moretti Sala, N.B. Brookes, A. Ariando, N. Viart, M. Salluzzo, G. Ghiringhelli, D. Preziosi, Charge and Spin Order Dichotomy in $\mathrmNdNiO_2$ Driven by the Capping Layer, Physical Review Letters 129 (2022) 027002. https://doi.org/10.1103/PhysRevLett.129.027002.

[1]

N. Kharouf, D. Mancino, J. Zghal, S. Helle, H. Jmal, M. Lenertz, N. Viart, N. Bahlouli, F. Meyer, Y. Haikel, V. Ball, Dual role of tannic acid and pyrogallol incorporated in plaster of Paris: Morphology modification and release for antimicrobial properties, Materials Science & Engineering C-Materials for Biological Applications 127 (2021) 112209. https://doi.org/10.1016/j.msec.2021.112209.

[1]

S. Homkar, E. Martin, B. Meunier, A. Anadon-Barcelona, C. Bouillet, J. Gorchon, K. Dumesnil, C. Lefèvre, F. Roulland, O. Copie, D. Preziosi, S. Petit-Watelot, J.-C. Rojas-Sanchez, N. Viart, Spin Current Transport in Hybrid Pt/Multifunctional Magnetoelectric Ga0.6Fe1.4O3 Bilayers, ACS Applied Electronic Materials 3 (2021) 4433–4440. https://doi.org/10.1021/acsaelm.1c00586.

[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, S. Homkar, C. Bouillet, C.T. Lefèvre, F. Roulland, D. Preziosi, G. Versini, C. Leuvrey, P. Boullay, X. Devaux, N. Viart, Unveiling unconventional ferroelectric switching in multiferroic Ga-0.6 Fe1.4O3 thin films through multiscale electron microscopy investigations, Acta Materialia 240 (2022) 118337. https://doi.org/10.1016/j.actamat.2022.118337.

[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]

A.P. Corredor, A. Anadon, L. Schlur, J. Robert, H. Damas, J.-C. Rojas-Sanchez, S. Petit-Watelot, N. Viart, D. Preziosi, C. Lefevre, Spin transport properties of spinel vanadate-based heterostructures, Applied Physics Letters 123 (2023) 072407. https://doi.org/10.1063/5.0165642.

[1]

A.P. Corredor, L. Wendling, D. Preziosi, L. Schlur, C. Leuvrey, D. Thiaudiere, E. Elklaim, N. Blanc, S. Grenier, F. Roulland, N. Viart, C. Lefèvre, Oxygen crystallographic positions in thin films by non-destructive resonant elastic X-ray scattering, Journal of Applied Crystallography 55 (2022) 526–532. https://doi.org/10.1107/S1600576722003673.

[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]

A. Anadon, E. Martin, S. Homkar, B. Meunier, M. Verges, H. Damas, J. Alegre, C. Lefèvre, F. Roulland, C. Dubs, M. Lindner, L. Pasquier, O. Copie, K. Dumesnil, R. Ramos, D. Preziosi, S. Petit-Watelot, N. Viart, J.-C. Rojas-Sanchez, Thermal Spin-Current Generation in the Multifunctional Ferrimagnet Ga0.6Fe1.4O3, Physical Review Applied 18 (2022) 054087. https://doi.org/10.1103/PhysRevApplied.18.054087.