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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 : ⟩
Theses tel-00154364v1

Low-temperature intrinsic plasticity in silicon at small scales

A. Merabet , M. Texier , C. Tromas , Sandrine Brochard , Laurent Pizzagalli et al.
Acta Materialia, 2018, 161, pp.54-60. ⟨10.1016/j.actamat.2018.09.025⟩
Journal articles hal-02318908v1

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 Pizzagalli et al.
Plasticité 2017, Apr 2017, Rennes, France
Conference papers 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. Thilly et al.
Multiscale Materials Modeling Extended Objects in Semiconductors, Oct 2016, Dijon, France
Conference papers hal-01453305v1
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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⟩
Journal articles hal-00170987v1

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⟩
Journal articles hal-02459319v1

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⟩
Journal articles hal-02459328v1

Etude des défauts étendus produits par la compression de nanopiliers de silicium à temperature ambiante

A. Merabet , M. Texier , C. Tromas , M. Verdier , A. Talneau et al.
Plasticité, Apr 2016, Poitiers, France
Conference papers hal-01453342v1

HRTEM study of structural defects and related deformation mechanisms induced by nanocompression of silicon

A. Merabet , M. Texier , C. Tromas , M. Verdier , A. Talneau et al.
European Microscopy Congress, Aug 2016, Lyon, France
Conference papers hal-01453338v1
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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 et al.
Physical Review Materials, 2020, ⟨10.1103/PhysRevMaterials.4.093603⟩
Journal articles hal-02990149v1
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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⟩
Journal articles hal-02459314v1

Atomic scale mechanisms and brittle to ductile transition at low size in silicon

Sandrine Brochard , Firas Abed El Nabi , Laurent Pizzagalli , Amina Merabet , Michael Texier et al.
Materials Today: Proceedings, 2018, 5 (6), pp.14693-14704. ⟨10.1016/j.matpr.2018.03.059⟩
Journal articles hal-02308704v1
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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⟩
Journal articles hal-00171015v1
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Atomistic simulations of ½<110> 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⟩
Journal articles hal-02545016v1

Unusual room-temperature plasticity in silicon nanopillars

A. Merabet , M. Texier , C. Tromas , M. Verdier , A. Talneau et al.
Dislocation 2016, Sep 2016, Lafayette-Purdue University, United States
Conference papers hal-01453330v1

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⟩
Journal articles 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⟩
Journal articles hal-02459336v1

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. Crouzier et al.
GDR-international MECANO - annual meeting 2017, May 2017, Toulouse, France
Conference papers hal-01753243v1
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Glissile dislocations with transient cores in silicon

Laurent Pizzagalli , Julien Godet , Sandrine Brochard
Physical Review Letters, 2009, 103, pp.065505
Journal articles hal-00418686v1

Peculiar mechanical properties and plasticity of silicon at low size: simulations and experiments

F. Abed El Nabi , L. Crouzier , C. Tromas , A. Merabet , M. Texier et al.
ICEAM2017 - International Symposium In Situ Microscopy with Electrons, X-rays and Scanning Probes, Oct 2017, Erlangen, Germany
Conference papers hal-01714995v1

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⟩
Journal articles hal-03675686v1
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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⟩
Journal articles hal-02136332v1

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⟩
Journal articles 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⟩
Journal articles hal-02459331v1
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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⟩
Journal articles hal-02116222v1
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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⟩
Journal articles hal-00170983v1
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Dislocation formation from a surface step in semiconductors: an ab initio study

Julien Godet , Sandrine Brochard , Laurent Pizzagalli , Pierre Beauchamp , Jose M. Soler et al.
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 73 (9), pp.092105. ⟨10.1103/PhysRevB.73.092105⟩
Journal articles hal-00170873v1

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⟩
Journal articles hal-02510296v1

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. Holmström et al.
Journal of Physics: Condensed Matter, 2013, 25 (5), pp.055801. ⟨10.1088/0953-8984/25/5/055801⟩
Journal articles hal-02459325v1

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
Book sections hal-02459351v1