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Realistic time-scale fully atomistic simulations of surface nucleation of dislocations in pristine nanopillars
Dislocations Molecular Dynamics Atomistic simulation Nucleation Activation Energy Accelerated Dynamics Nanomechanics
2012/2/24
We use our recently proposed accelerated dynamics algorithm (Tiwary and van de Walle, 2011) to calculate temperature and stress dependence of activation free energy for surface nucleation of dislocati...
Parallel glide: flow of dislocations with internal stress source/sink distribution
ultrathin films dislocations dynamics metallic material
2010/10/13
The unexpected glide of dislocations on a plane parallel to the film/substrate interface in
ultrathin copper films, which has been called parallel glide (Balk et al 2003 Acta Metall. 51
447), is des...