David Marie-Laure

Associate Professor
(Maître de conférences - HDR)

Institut Pprime – UPR 3346
Département de Physique et Mécanique des Matériaux
SP2MI-Bd Marie et Pierre Curie
TSA 41123
86073 Poitiers cedex 9


Current research interest

  • Defects in materials
  • Ion-matter interaction

  • Helium and hydrogen induced defects in materials

  • Transmission Electron Microscopy

  • Electron Energy Loss Spectroscopy (STEM-EELS, EF-TEM SI)

  • Electrical characterization (Deep Level Transient Spectroscopy)

PhD Students (former and actual)

  • Luc Lajaunie
  • Kévin Alix
  • Julien Dérès
  • Nicolas Sénicourt
  • Ayoub Benmoumen



(Departement of Physics, University of Poitiers)

  • Ion-matter interaction

  • Semiconductors

  • Statistical physics

  • Transmission Electron Microscopy

Sélection de publications


ORCID : 0000-0003-3207-068X

ResearchID : AAH-4727-2021


Publications période 2016-2021

Surface stress calculations for nanoparticles and cavities in aluminum, silicon, and iron: influence of pressure and validity of the Young-Laplace equation

L. Pizzagalli and M.-L. David

Materials Theory 124 5 (2021)


Ion implantation as an approach for structural modifications and functionalization of Ti3C2Tx MXenes

H. Pazniak, M. Benchakar, T. Bilyk, A. Liedl, Y. Busby, C. Noel, P. Chartier, S. Hurand, Simon, M. Marteau, L. Houssiau, R. Larciprete, P. Lacovig, D. Lizzit, E. Tosi, S. Lizzit, J. Pacaud, S. Célérier, V. Mauchamp, M.-L. David

ACS Nano 15, 4245 (2021)


Electronic Structure Sensitivity to Surface Disorder and Nanometer Scale Impurity of 2D Titanium Carbide MXene Sheets as Revealed by Electron Energy Loss Spectroscopy

T. Bilyk, M. Benchakar, M. Bugnet, L. Loupias, P. Chartier, H. Pazniak, M.-L. David, A. Habrioux, S. Célérier, J. Pacaud, V. Mauchamp

J. Phys. Chem. C 124, 27071 (2020)


Atomistic simulations of a helium bubble in silicon carbide

L. Pizzagalli, and M.-L. David

J. Nucl. Materials 531, 151990 (2020)



« Influence of helium on the nucleation and growth of bubbles in silicon: a multiscale modelling study »

L. Pizzagalli, J. Dérès, M.-L. David, T. Jourdan

J. Phys. D: Appl. Phys. 52, 45510 (2019)     


« Evolution of the properties of helium nanobubbles during in situ annealing probed by spectrum imaging in the transmission electron microscope »

K. Alix, M.-L. David, J. Dérès, C. Hébert, L. Pizzagalli,

Physical Review B 97, 104102 (2018)


« Properties of helium bubbles in covalent systems at the nanoscale: a combined numerical and experimental study »

J. Dérès, M.-L. David, K. Alix, D.T.L. Alexander, C. Hébert, L. Pizzagalli,

Physical Review B 96, 014110 (2017)


« Density functionnal theory calculations of helium clustering in mono-, di-, and hexa-vacancy in silicon »

L. Pizzagalli, M.-L. David, J. Dérès,

Phy. Stat. Sol. A, 1700263 (2017)


« Trapping of helium in nano-bubbles in euxenite: positive identification and implications »

A.-M. Seydoux-Guillaume, M.-L. David, K. Alix, L. Datas, B. Bingen,

Earth and Planetary Science Letters 448, 133 (2016)