Sandrine Brochard

39
Documents

Publications

Publications

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Twinning and amorphization as plasticity mechanisms in ultra small tungsten nanoparticles

Laurent Pizzagalli , Julien Godet , Julien Durinck , Sandrine Brochard , Jean Furstoss et al.

Computational Materials Science, 2025, 258, pp.114077. ⟨10.1016/j.commatsci.2025.114077⟩

Article dans une revue hal-05172063v1
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[110] tensile testing of single crystalline gold thin films with nanotwins: In situ TEM and XRD studies

P. Godard , F. Mompiou , Julien Drieu La Rochelle , M. Drouet , C. Mocuta et al.

Physical Review Materials, 2025, 9 (10), pp.103602. ⟨10.1103/s5l4-z48r⟩

Article dans une revue hal-05314207v1
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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 Durinck et 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
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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
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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
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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
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Atomic scale simulations of { 112 } symmetric incoherent twin boundaries in gold

Yen Fred Woguem , Pierre Godard , Julien Durinck , Sandrine Brochard

Materialia, 2023, 27, pp.101678. ⟨10.1016/j.mtla.2023.101678⟩

Article dans une revue hal-04272004v1
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Elastic energy and interactions between twin boundaries in nanotwinned gold

Yen Fred Woguem , Pierre Godard , J. Durinck , Sandrine Brochard

Computational Materials Science, 2023, 228, pp.112355. ⟨10.1016/j.commatsci.2023.112355⟩

Article dans une revue hal-04272093v1
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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

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 Pizzagalli et al.

Journal of Physics: Conference Series, 2019, 1190 (1), pp.012004. ⟨10.1088/1742-6596/1190/1/012004⟩

Article dans une revue hal-04254688v1

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⟩

Article dans une revue hal-02308704v1

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⟩

Article dans une revue hal-02318908v1
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Twin-interface interactions in nanostructured Cu/Ag: Molecular dynamics study

Romuald Béjaud , Julien Durinck , Sandrine Brochard

Acta Materialia, 2018, 144, pp.314-324. ⟨10.1016/j.actamat.2017.10.036⟩

Article dans une revue hal-02304401v1

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

The effect of surface step and twin boundary on deformation twinning in nanoscale metallic systems

Romuald Béjaud , Julien Durinck , Sandrine Brochard

Computational Materials Science, 2018, 145, pp.116-125. ⟨10.1016/j.commatsci.2017.12.035⟩

Article dans une revue hal-02301784v1

Onset of plasticity in zirconium in relation with hydrides precipitation

Wojciech Szewc , Laurent Pizzagalli , Sandrine Brochard , Emmanuel Clouet

Acta Materialia, 2016, 114, pp.126-135. ⟨10.1016/j.actamat.2016.05.025⟩

Article dans une revue cea-02389333v1

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

Onset of ductility and brittleness in silicon nanowires mediated by dislocation nucleation

Firas Abed El Nabi , Julien Godet , Sandrine Brochard , Laurent Pizzagalli

Modelling and Simulation in Materials Science and Engineering, 2015, 23 (2), pp.025010. ⟨10.1088/0965-0393/23/2/025010⟩

Article dans une revue hal-03672147v1

Numerical simulations and modeling of the stability of noble gas atoms in interaction with vacancies in silicon

Laurent Pizzagalli , A. Charaf-Eddin , Sandrine Brochard

Computational Materials Science, 2014, 95, pp.149-158. ⟨10.1016/j.commatsci.2014.07.011⟩

Article dans une revue istex hal-02142152v1

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⟩

Article dans une revue hal-02459325v1
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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⟩

Article dans une revue hal-02459314v1

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

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

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

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
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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

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
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Effects of temperature and surface step on the incipient plasticity in strained aluminium studied by atomistic simulations

Pierre Hirel , Sandrine Brochard , Laurent Pizzagalli , Pierre Beauchamp

Scripta Materialia, 2007, 57 (12), pp.1141. ⟨10.1016/j.scriptamat.2007.08.016⟩

Article dans une revue hal-00175884v1
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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

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
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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⟩

Article dans une revue hal-00170983v1
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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⟩

Article dans une revue hal-00170987v1
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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⟩

Article dans une revue hal-00171015v1