Fabien Cheynis
Structure et dynamique de surface, LEEM/PEEM
Équipe : Structure et Dynamique des Surfaces
Cv (Last update : Jan, 2020)
2026
Growth and domain structure of GeTe ferroelectric thin films on miscut silicon substrates: The key role of atomic steps
Léa Meynier, Fabio Verducci, Guillaume Ayala, Boris Croes, Fabien Cheynis, Pierre Müller, Stefano Curiotto, Salia Cherifi-Hertel, Frédéric Leroy
Journal of Applied Physics 139 (2026)10.1063/5.0280904 
Spin texture of α−GeTe in the ultrathin regime
Calvin Tagne-Kaegom, Alexandre Llopez, Boris Croes, Geoffroy Kremer, Bertrand Kierren, Daniel Malterre, Luc Moreau, Fotié Jaurès Ngoufo, Stefano Curiotto, Pierre Müller, Patrick Le Fèvre, Julien Rault, François Bertran, Andrés Saúl, Frédéric Leroy, Fabien Cheynis, Yannick Fagot-Revurat
Physical Review B 113:125113 (2026)10.1103/yst7-ktp9
2025
Thermomigration of Au-Ge microdroplets on Ge(111): Atomic mechanisms and effects on surface morphology
Nayef Abu Dahech, Frédéric Leroy, Pierre Müller, Fabien Cheynis, Stefano Curiotto
Physical Review Materials 9:103403 (2025)10.1103/p1lf-r9y9
Real-time helium bubble growth in tungsten by in-situ GISAXS
L. Corso, S. Curiotto, F. Cheynis, P. Muller, Elodie Bernard, M. Cabie, C. Martin, F. Leroy
Nuclear Materials and Energy 42:101894 (2025)10.1016/j.nme.2025.101894
2024
Pushing the thickness limit of the giant Rashba effect in ferroelectric semiconductor GeTe
Boris Croes, Alexandre Llopez, Calvin Tagne-Kaegom, Bodry Tegomo Chiogo, Bertrand Kierren, Pierre Müller, Stefano Curiotto, Patrick Le Fèvre, François Bertran, Andrés Saúl, Yannick Fagot-Revurat, Frédéric Leroy, Fabien Cheynis
Nano Letters (2024)10.1021/acs.nanolett.4c03281
Rim nucleation and step-train orientation effects in SOI(111) dewetting
Stefano Curiotto, Pierre Müller, Fabien Cheynis, Igor Ozerov, Frédéric Leroy
Surfaces and Interfaces 45:103912 (2024)10.1016/j.surfin.2024.103912
Surface thermomigration of 2D voids
Stefano Curiotto, Nicolas Combe, Pierre Müller, Ali El Barraj, Nayef Abu Dahech, Fabien Cheynis, Olivier Pierre-Louis, Frédéric Leroy
Applied Physics Letters 125:121601 (2024)10.1063/5.0228961
Van der Waals epitaxy of Weyl-semimetal Td-WTe2
Alexandre Llopez, Frédéric Leroy, Calvin Tagne-Kaegom, Boris Croes, Adrien Michon, Chiara Mastropasqua, Mohamed Al Khalfioui, Stefano Curiotto, Pierre Müller, Andrés Saúl, Bertrand Kierren, Geoffroy Kremer, Patrick Le Fèvre, François Bertran, Yannick Fagot-Revurat, Fabien Cheynis
ACS Applied Materials & Interfaces 16:20878-20885 (2024)10.1021/acsami.4c00676
2023
Tungsten evolution under helium irradiation: Shape of bubbles by TEM and in-situ GISAXS analysis
L. Corso, S. Curiotto, E. Bernard, Martiane Cabie, C. Martin, Lucio Martinelli, Fabien Cheynis, Pierre Müller, Frédéric Leroy
Nuclear Materials and Energy 37:101533 (2023)10.1016/j.nme.2023.101533
Early-stage growth of GeTe on Si(111)-Sb
Boris Croes, Fabien Cheynis, Yannick Fagot-Revurat, Pierre Müller, Stefano Curiotto, Frédéric Leroy
Physical Review Materials 7:014409 (2023)10.1103/PhysRevMaterials.7.014409
Thermomechanic behavior of epitaxial GeTe ferroelectric films on Si(111)
Boris Croes, Fabien Cheynis, Michaël Texier, Pierre Müller, Stefano Curiotto, Frédéric Leroy
Journal of Applied Physics 134:204103 (2023)10.1063/5.0173718
Size-dependent diffusion of 3D nanovoids in a bcc solid
Stefano Curiotto, Pierre Müller, Fabien Cheynis, Loic Corso, Elodie Bernard, Frédéric Leroy
Applied Physics Letters 123:241603 (2023)10.1063/5.0175752
2022
Automatic Ferroelectric Domain Pattern Recognition Based on the Analysis of Localized Nonlinear Optical Responses Assisted by Machine Learning
Boris Croes, Iaroslav Gaponenko, Cédric Voulot, Olivier Grégut, Kokou D Dorkenoo, Fabien Cheynis, Stefano Curiotto, Pierre Müller, Frédéric Leroy, Kumara Cordero‐edwards, Patrycja Paruch, Salia Cherifi Cherifi-Hertel
Advanced Physics Research 2200037 (2022)10.1002/apxr.202200037
Reflections on the effect of an external flux in surface physics
Stefano Curiotto, F. Leroy, F. Cheynis, P. Müller
Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces 725:122158 (2022)10.1016/j.susc.2022.122158
2021
Kinetic Monte Carlo simulations of the diffusion and shape evolution of single-layer clusters on a hexagonal lattice with and without external force
Stefano Curiotto, Pierre Müller, Fabien Cheynis, Frédéric Leroy
Applied Surface Science 552:149454 (2021)10.1016/j.apsusc.2021.149454
Mechanism of droplet motion and in-plane nanowire formation with and without electromigration
Stefano Curiotto, Pierre Müller, Fabien Cheynis, Frédéric Leroy
Applied Surface Science 579:152015 (2021)10.1016/j.apsusc.2021.152015
2020
2D Manipulation of Nanoobjects by Perpendicular Electric Fields: Implications for Nanofabrication
Stefano Curiotto, F. Cheynis, Pierre Müller, Frédéric Leroy
ACS Applied Nano Materials 3:1118-1122 (2020)10.1021/acsanm.9b02517
Magnetic anisotropy of one-dimensional Co nanostructures
Michel Daher Mansour, Romain Parret, F. Cheynis, Matthieu Petit, Fadi Choueikani, Lisa Michez, Laurence Masson
Physical Review B 102:155403 (2020)10.1103/PhysRevB.102.155403
Dynamics of Au-Ge liquid droplets on Ge(1 1 1) terraces: Nucleation, growth and dynamic coalescence
Ali El-Barraj, Stefano Curiotto, Fabien Cheynis, Pierre Müller, Frédéric Leroy
Applied Surface Science 509:144667 (2020)10.1016/j.apsusc.2019.144667
Electric forces on a confined advacancy island
Frédéric Leroy, Ali El-Barraj, Fabien Cheynis, Pierre Müller, Stefano Curiotto
Physical Review B 102 (2020)10.1103/PhysRevB.102.235412
Kinetics and coupled dynamics of dewetting and chemical reaction in Si/SiO2/Si system
Frédéric Leroy, D Landru, Fabien Cheynis, O Kononchuk, Pierre Müller, Stefano Curiotto
Journal of Materials Science (2020)10.1007/s10853-020-05161-w
2019
2D nanostructure motion on anisotropic surfaces controlled by electromigration
Stefano Curiotto, Pierre Müller, Ali El-Barraj, Fabien Cheynis, Olivier Pierre-Louis, Frédéric Leroy
Applied Surface Science 469:463-470 (2019)10.1016/j.apsusc.2018.11.049
Shape changes of two-dimensional atomic islands and vacancy clusters diffusing on epitaxial (1 1 1) interfaces under the impact of an external force
Stefano Curiotto, Frédéric Leroy, Pierre Muller, Fabien Cheynis, Michail Michailov, Ali El-Barraj, Bogdan Ranguelov
Journal of Crystal Growth 520:42-45 (2019)10.1016/j.jcrysgro.2019.05.016
Atomic Transport in Au-Ge Droplets: Brownian and Electromigration Dynamics
Frédéric Leroy, Ali El-Barraj, Pierre Müller, Fabien Cheynis, Stefano Curiotto
Physical Review Letters (2019)
2017
Spatial inhomogeneity and temporal dynamics of a 2D electron gas in interaction with a 2D adatom gas
Fabien Cheynis, Stefano Curiotto, Frédéric Leroy, Pierre Müller
Scientific Reports 7:10642 (2017)10.1038/s41598-017-10300-6
Surface-dependent scenarios for dissolution-driven motion of growing droplets
Stefano Curiotto, Frédéric Leroy, Fabien Cheynis, Pierre Müller
Scientific Reports 7:902 (2017)10.1038/s41598-017-00886-2
Improvement of etching and cleaning methods for integration of raised source and drain in FD-SOI technologies
M. Labrot, F. Cheynis, D. Barge, P. Maury, M. Juhel, S. Lagrasta, Pierre Müller
Microelectronic Engineering 180:56-64 (2017)10.1016/j.mee.2017.04.009
Dewetting of patterned solid films: Towards a predictive modelling approach
M. Trautmann, F. Cheynis, F. Leroy, S. Curiotto, O. Pierre-Louis, Pierre Müller
Applied Physics Letters 110:263105 (2017)10.1063/1.4990005
Interplay between deoxidation and dewetting for ultrathin SOI films
M. Trautmann, F. Cheynis, F. Leroy, S. Curiotto, Pierre Müller
Applied Physics Letters 110:161601 (2017)10.1063/1.4980132
2016
Low thermal budget for Si and SiGe surface preparation for FD-SOI technology
M. Labrot, F. Cheynis, D. Barge, Pierre Müller, M. Juhel
Applied Surface Science 371:436-446 (2016)10.1016/j.apsusc.2016.02.228