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Guillaume F. Nataf


Guillaume F. Nataf received a M.Sc. degree in physics and nanoscience from the Grenoble Institute of Technology in 2013, and a Ph.D degree in physics from the University of Luxembourg and Université Paris Saclay in 2016. From 2017 to 2018, he was a postdoctoral researcher in the University of Cambridge (United Kingdom) where he then became a Research Fellow of the Royal Commission of 1851 from 2018 to 2020. In 2021, he became a CNRS Research Scientist in GREMAN, Tours, France.


His research focuses on functional oxides (ferroelectrics and ferroelastics), whose outstanding properties result from a complex interaction between chemical compositions, crystallographic orientations, and micro/nanostructures. He is particularly interested in micro/nanostructures (pores, domains, domain walls).


Journal articles10 documents

  • Blai Casals, Guillaume F. Nataf, Ekhard Salje. Avalanche criticality during ferroelectric/ferroelastic switching. Nature Communications, Nature Publishing Group, 2021, 12 (1), ⟨10.1038/s41467-020-20477-6⟩. ⟨hal-03141685⟩
  • Guillaume F. Nataf, Nicholas Barrett, J. Kreisel, M. Guennou. Raman signatures of ferroic domain walls captured by principal component analysis. Journal of Physics: Condensed Matter, IOP Publishing, 2018, 30, pp.035902. ⟨10.1088/1361-648X/aa9778⟩. ⟨cea-01687736⟩
  • G. Nataf, M. Guennou, J. Kreisel, P. Hicher, R. Haumont, et al.. Control of surface potential at polar domain walls in a nonpolar oxide. Physical Review Materials, American Physical Society, 2017, 1 (7), pp.74410 - 74410. ⟨10.1103/PhysRevMaterials.1.074410⟩. ⟨hal-01679066⟩
  • Mariusz Lejman, Gwenäelle Vaudel, Ingrid Infante, Ievgeniia Chaban, Thomas Pezeril, et al.. Ultrafast acousto-optic mode conversion in optically birefringent ferroelectrics. Nature Communications, Nature Publishing Group, 2016, 7 (1), ⟨10.1038/ncomms12345⟩. ⟨hal-02536739⟩
  • Guillaume Nataf, Mael Guennou, Alexander Hauβmann, N Barrett, Jens Kreisel. Evolution of defect signatures at ferroelectric domain walls in Mg-doped LiNbO3. physica status solidi (RRL) - Rapid Research Letters, Wiley-VCH Verlag, 2016, 10, pp.222-226. ⟨10.1002/pssr.201510303⟩. ⟨cea-01349607⟩
  • G. F. Nataf, P. Grysan, M. Guennou, J. Kreisel, D. Martinotti, et al.. Low energy electron imaging of domains and domain walls in magnesium-doped lithium niobate. Scientific Reports, Nature Publishing Group, 2016, 6, ⟨10.1038/srep33098⟩. ⟨cea-01481473⟩
  • E. Lefrançois, M. Songvilay, J. Robert, G. Nataf, E. Jordan, et al.. Magnetic properties of the honeycomb oxide Na 2 Co 2 TeO 6. Physical Review B, American Physical Society, 2016, 94 (21), pp.214416. ⟨10.1103/PhysRevB.94.214416⟩. ⟨hal-01632248⟩
  • Guillaume F Nataf, Oktay Aktas, Torsten Granzow, Ekhard K. H. Salje. Influence of defects and domain walls on dielectric and mechanical resonances in LiNbO$_3$. Journal of Physics: Condensed Matter, IOP Publishing, 2015, 28, pp.015901. ⟨10.1088/0953-8984/28/1/015901⟩. ⟨cea-01550765⟩
  • Ekhard Salje, Michael Carpenter, Guillaume F. Nataf, Gunnar Picht, Kyle Webber, et al.. Elastic excitations in BaTiO3 single crystals and ceramics: Mobile domain boundaries and polar nanoregions observed by resonant ultrasonic spectroscopy. Physical Review B, American Physical Society, 2013, 87 (1), ⟨10.1103/PhysRevB.87.014106⟩. ⟨hal-03143111⟩
  • Guillaume F. Nataf, Qian Li, Yun Liu, Ray Withers, Sarah Driver, et al.. Ferroelastic aspects of relaxor ferroelectric behaviour in Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 perovskite. Journal of Applied Physics, American Institute of Physics, 2013, 113 (12), pp.124102. ⟨10.1063/1.4794027⟩. ⟨hal-03143095⟩

Theses1 document

  • Guillaume F. Nataf. New approaches to understand conductive and polar domain walls by Raman spectroscopy and low energy electron microscopy. Materials Science [cond-mat.mtrl-sci]. Université Paris-Saclay; Université du Luxembourg, 2016. English. ⟨NNT : 2016SACLS436⟩. ⟨tel-01412787⟩