Julien Godet

Identifiants chercheurs

IdHAL :

julien-godet

ORCID :

0000-0002-5831-2256

IdRef :

083156259

ResearcherID :

http://www.researcherid.com/rid/C-7000-2015

Publications

Article dans une revue (34)

Twinning and amorphization as plasticity mechanisms in ultra small tungsten nanoparticles Laurent Pizzagalli,Julien Godet,Julien Durinck,Sandrine Brochard,Jean Furstosset al. Computational Materials Science, 2025, 258, pp.114077. ⟨10.1016/j.commatsci.2025.114077⟩ Article dans une revue hal-05172063v1
Relation between strength and local stresses in nanostructures as a function of their size and shape Laurent Pizzagalli,Riccardo Gatti,Jonathan Amodeo,Julien Godet,Julien Durincket al. Journal of the Mechanics and Physics of Solids, 2025, 205, pp.106306. ⟨10.1016/j.jmps.2025.106306⟩ Article dans une revue hal-05232618v1
Mechanical properties of hydrogen-passivated silicon and silicon carbide nanoparticles Laurent Pizzagalli,Jean Furstoss,Julien Godet,Julien Durinck,Sandrine Brochard Modelling and Simulation in Materials Science and Engineering, 2025, 33 (5), pp.055003. ⟨10.1088/1361-651X/ade177⟩ Article dans une revue hal-05112085v1
First-principles molecular dynamics compression of small metallic nanoparticles Laurent Pizzagalli,J. Durinck,S. Brochard,J. Godet Scripta Materialia, 2024, 241, pp.115863. ⟨10.1016/j.scriptamat.2023.115863⟩ Article dans une revue hal-04291303v1
Structural stability of tungsten nanoparticles Laurent Pizzagalli,S. Brochard,J. Godet,J. Durinck Physical Review Materials, 2024, 8 (8), pp.086001. ⟨10.1103/PhysRevMaterials.8.086001⟩ Article dans une revue hal-04713816v1
Experimental characterization of quasi-2-dimension nanoporous gold ultra-thin film from nano to micro length scale Julien Godet,Gwénaël Massé,Issraa Shahine,Quentin Hatte,Hadi Bahsounet al. Thin Solid Films, 2023, 787, pp.140136. ⟨10.1016/j.tsf.2023.140136⟩ Article dans une revue hal-04372632v1
Ultra high strength and plasticity mechanisms of Si and SiC nanoparticles revealed by first principles molecular dynamics Laurent Pizzagalli,J. Godet Physical Review Letters, 2023, 131 (23), pp.236201. ⟨10.1103/PhysRevLett.131.236201⟩ Article dans une revue hal-04434174v1
Lithiation - delithiation cycles of amorphous Si nanowires investigated by molecular dynamics simulations Julien Godet,Teutë Bunjaku,Mathieu Luisier Physical Review Materials, 2020, 4 (6), pp.065402. ⟨10.1103/PhysRevMaterials.4.065402⟩ Article dans une revue hal-03771279v2
Stacking fault formation created by plastic deformation at low temperature and small scales in silicon Laurent Pizzagalli,J Godet,S Brochard,H J Gotsis,Tristan Albaret Physical Review Materials, 2020, ⟨10.1103/PhysRevMaterials.4.093603⟩ Article dans une revue hal-02990149v1
Plastic behaviour and deformation mechanisms in silicon nano-objects Michael Texier,A Merabet,Christophe Tromas,Sandrine Brochard,Laurent Pizzagalliet al. Journal of Physics: Conference Series, 2019, 1190 (1), pp.012004. ⟨10.1088/1742-6596/1190/1/012004⟩ Article dans une revue hal-04254688v1
A fully molecular dynamics-based method for modeling nanoporous gold Maxime Guillotte,Julien Godet,Laurent Pizzagalli Computational Materials Science, 2019, 161, pp.135-142. ⟨10.1016/j.commatsci.2019.01.042⟩ Article dans une revue hal-02116222v1
Molecular dynamics study of mechanical behavior of gold-silicon core-shell nanowires under cyclic loading Julien Godet,Laurent Pizzagalli,Maxime Guillotte Acta Materialia, 2019, 5, pp.100204. ⟨10.1016/j.mtla.2018.100204⟩ Article dans une revue hal-02136332v1
Low-temperature intrinsic plasticity in silicon at small scales A. Merabet,M. Texier,C. Tromas,Sandrine Brochard,Laurent Pizzagalliet al. Acta Materialia, 2018, 161, pp.54-60. ⟨10.1016/j.actamat.2018.09.025⟩ Article dans une revue hal-02318908v1
Influence of strain on dislocation core in silicon Laurent Pizzagalli,Julien Godet,Sandrine Brochard Philosophical Magazine, 2018, 98 (13), pp.1151-1169. ⟨10.1080/14786435.2018.1431412⟩ Article dans une revue hal-02310760v1
Atomic scale mechanisms and brittle to ductile transition at low size in silicon Sandrine Brochard,Firas Abed El Nabi,Laurent Pizzagalli,Amina Merabet,Michael Texieret al. Materials Today: Proceedings, 2018, 5 (6), pp.14693-14704. ⟨10.1016/j.matpr.2018.03.059⟩ Article dans une revue hal-02308704v1
Uniform tensile elongation in Au–Si core–shell nanowires Julien Godet,Clarisse Furgeaud,Laurent Pizzagalli,Michael Demkowicz Extreme Mechanics Letters, 2016, 8, pp.151-159. ⟨10.1016/j.eml.2016.03.023⟩ Article dans une revue istex hal-03675686v1
Surface effects on the mechanical behavior of silicon nanowires: Consequence on the brittle to ductile transition at low scale and low temperature Julien Godet,Firas Abed El Nabi,Sandrine Brochard,Laurent Pizzagalli Physica Status Solidi A (applications and materials science), 2015, 212 (8), pp.1643-1648. ⟨10.1002/pssa.201500001⟩ Article dans une revue istex hal-03662331v1
Atomistic simulations of ½&lt;110&gt; screw dislocation core in magnesium oxide Philippe Carrez,Julien Godet,Patrick Cordier Computational Materials Science, 2015, Computational Materials Science, 103, pp.250-255. ⟨10.1016/j.commatsci.2014.10.019⟩ Article dans une revue hal-02545016v1
A new parametrization of the Stillinger–Weber potential for an improved description of defects and plasticity of silicon Laurent Pizzagalli,J. Godet,Julien Guénolé,Sandrine Brochard,E. Holmströmet al. Journal of Physics: Condensed Matter, 2013, 25 (5), pp.055801. ⟨10.1088/0953-8984/25/5/055801⟩ Article dans une revue hal-02459325v1
Plasticity in crystalline-amorphous core-shell Si nanowires controlled by native interface defects Julien Guénolé,Julien Godet,Sandrine Brochard Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2013, 87 (4), ⟨10.1103/PhysRevB.87.045201⟩ Article dans une revue hal-02459314v1
Dislocation cores in silicon: new aspects from numerical simulations Laurent Pizzagalli,Julien Godet,Julien Guénolé,Sandrine Brochard Journal of Physics: Conference Series, 2011, 281, pp.012002. ⟨10.1088/1742-6596/281/1/012002⟩ Article dans une revue hal-02459340v1
Investigation of Plasticity in Silicon Nanowires by Molecular Dynamics Simulations Julien Guénolé,Julien Godet,Sandrine Brochard Key Engineering Materials, 2011, 465, pp.89-92. ⟨10.4028/www.scientific.net/KEM.465.89⟩ Article dans une revue hal-02459336v1
Deformation of silicon nanowires studied by molecular dynamics simulations Julien Guénolé,Julien Godet,Sandrine Brochard Modelling and Simulation in Materials Science and Engineering, 2011, 19 (7), pp.074003. ⟨10.1088/0965-0393/19/7/074003⟩ Article dans une revue hal-02459328v1
Unexpected slip mechanism induced by the reduced dimensions in silicon nanostructures: Atomistic study Julien Guénolé,Sandrine Brochard,Julien Godet Acta Materialia, 2011, 59 (20), pp.7464-7472. ⟨10.1016/j.actamat.2011.08.039⟩ Article dans une revue istex hal-02459319v1
MgO/metal interfaces at low coverage: An order N, semiempirical Hartree-Fock simulation Claudine Noguera,J. Godet,Jacek Goniakowski Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2010, 81 (15), pp.155409. ⟨10.1103/PhysRevB.81.155409⟩ Article dans une revue hal-01241541v1
Determination of activation parameters for the core transformation of the screw dislocation in silicon Julien Guénolé,Julien Godet,Laurent Pizzagalli Modelling and Simulation in Materials Science and Engineering, 2010, 18 (6), pp.065001. ⟨10.1088/0965-0393/18/6/065001⟩ Article dans une revue hal-02459331v1
Glissile dislocations with transient cores in silicon Laurent Pizzagalli,Julien Godet,Sandrine Brochard Physical Review Letters, 2009, 103, pp.065505. ⟨10.1103/PhysRevLett.103.065505⟩ Article dans une revue hal-00418686v1
Evidence of two plastic regimes controlled by dislocation nucleation in silicon nanostructures Julien Godet,Pierre Hirel,Sandrine Brochard,Laurent Pizzagalli Journal of Applied Physics, 2009, Journal of Applied Physics, 105 (2), pp.026104. ⟨10.1063/1.3072707⟩ Article dans une revue hal-02510296v1
Dislocation nucleation from surface step in silicon: The glide set versus the shuffle set Julien Godet,Pierre Hirel,Sandrine Brochard,Laurent Pizzagalli Physica Status Solidi A (applications and materials science), 2009, physica status solidi (a), 206 (8), pp.1885-1891. ⟨10.1002/pssa.200881460⟩ Article dans une revue istex hal-02502437v1
Determination of activation parameters for dislocation formation from a surface in fcc metals by atomistic simulations Pierre Hirel,Julien Godet,Sandrine Brochard,Laurent Pizzagalli,Pierre Beauchamp Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2008, Physical Review B, 78 (6), ⟨10.1103/physrevb.78.064109⟩ Article dans une revue hal-02487181v1
Dislocation formation from a surface step in semiconductors: an ab initio study Julien Godet,Sandrine Brochard,Laurent Pizzagalli,Pierre Beauchamp,Jose M. Soler Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 73 (9), pp.092105. ⟨10.1103/PhysRevB.73.092105⟩ Article dans une revue hal-00170873v1
Theoretical study of dislocation nucleation from simple surface defects in semiconductors Julien Godet,Laurent Pizzagalli,Sandrine Brochard,Pierre Beauchamp Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2004, 70 (5), pp.054109. ⟨10.1103/PhysRevB.70.054109⟩ Article dans une revue hal-00170983v1
Comparison between classical potentials and ab initio for silicon under large shear Julien Godet,Laurent Pizzagalli,Sandrine Brochard,Pierre Beauchamp Journal of Physics: Condensed Matter, 2003, 15, pp.6943. ⟨10.1088/0953-8984/15/41/004⟩ Article dans une revue hal-00170987v1
Surface step effects on Si (100) under uniaxial tensile stress, by atomistic calculations Julien Godet,Laurent Pizzagalli,Sandrine Brochard,Pierre Beauchamp Scripta Materialia, 2002, 47 (7), pp.481. ⟨10.1016/S1359-6462(02)00183-5⟩ Article dans une revue hal-00171015v1

Communication dans un congrès (9)

Brittle to ductile transition in silicon at small scale: confrontation of simulations and experiments J. Godet,F. Abed El Nabi,Laurent Pizzagalli,Sandrine Brochard,L. Crouzieret al. GDR-international MECANO - annual meeting 2017, May 2017, Toulouse, France Communication dans un congrès hal-01753243v1
Peculiar mechanical properties and plasticity of silicon at low size: simulations and experiments F. Abed El Nabi,L. Crouzier,C. Tromas,A. Merabet,M. Texieret al. ICEAM2017 - International Symposium In Situ Microscopy with Electrons, X-rays and Scanning Probes, Oct 2017, Erlangen, Germany Communication dans un congrès hal-01714995v1
La transition fragile ductile dans le silicium aux basses dimensions : Confrontations des simulations aux expériences J. Godet,F. Abed El Nabi,Sandrine Brochard,M. Guillotte,Laurent Pizzagalliet al. Plasticité 2017, Apr 2017, Rennes, France Communication dans un congrès hal-01763115v1
Toward the understanding of the brittle to ductile transition at low size in silicon: experiments and simulations F. Abed El Nabi,Laurent Pizzagalli,Sandrine Brochard,C. Tromas,L. Thillyet al. Multiscale Materials Modeling Extended Objects in Semiconductors, Oct 2016, Dijon, France Communication dans un congrès hal-01453305v1
Experiments and simulations for the study of the brittle to ductile transition at low size in silicon F. Abed El Nabi,Laurent Pizzagalli,Sandrine Brochard,C. Tromas,L. Thillyet al. Extended Defects in Semiconductors, Sep 2016, Saint Aygulf, France Communication dans un congrès hal-01453081v1
Structure et propagation de défauts dans les nanopiliers de silicium A. Merabet,M. Texier,C. Tromas,M. Verdier,A. Talneauet al. Congrés de l’Association Française de Cristallographie, Jul 2016, Marseille, France Communication dans un congrès hal-01453348v1
HRTEM study of structural defects and related deformation mechanisms induced by nanocompression of silicon A. Merabet,M. Texier,C. Tromas,M. Verdier,A. Talneauet al. European Microscopy Congress, Aug 2016, Lyon, France Communication dans un congrès hal-01453338v1
Etude des défauts étendus produits par la compression de nanopiliers de silicium à temperature ambiante A. Merabet,M. Texier,C. Tromas,M. Verdier,A. Talneauet al. Plasticité, Apr 2016, Poitiers, France Communication dans un congrès hal-01453342v1
Unusual room-temperature plasticity in silicon nanopillars A. Merabet,M. Texier,C. Tromas,M. Verdier,A. Talneauet al. Dislocation 2016, Sep 2016, Lafayette-Purdue University, United States Communication dans un congrès hal-01453330v1

Chapitre d'ouvrage (1)

Review on the mechanical properties of nanowires investigated by simulations Julien Godet,Julien Guénolé,Sandrine Brochard,Laurent Pizzagalli Mechanics of nano-objects, 2011, 978-2911256-67-7 Chapitre d'ouvrage hal-02459351v1

Thèse (1)

Etude par simulations et calculs atomistiques, de la formation de dislocations aux défauts de surface dans un cristal de silicium soumis à des contrainte Julien Godet Matière Condensée [cond-mat]. Université de Poitiers, 2004. Français. ⟨NNT : ⟩ Thèse tel-00154364v1