Misfit dislocation loops in hollow core–shell nanoparticles
Scripta Materialia, 2014•Elsevier
A theoretical model is suggested to determine the critical conditions for generation of circular
prismatic misfit dislocation loops in hollow core–shell nanoparticles. Based on a strict
solution of the linear elasticity boundary-value problem for a circular prismatic dislocation
loop in a free-surface shell, we examine the loop formation energy in the nanoparticle and
show a potential opportunity to fabricate hollow, coherently bonded, ie dislocation-free, core–
shell nanoparticles by using thin-wall shells with inner-to-outer radii ratio> 0.8 as supporting …
prismatic misfit dislocation loops in hollow core–shell nanoparticles. Based on a strict
solution of the linear elasticity boundary-value problem for a circular prismatic dislocation
loop in a free-surface shell, we examine the loop formation energy in the nanoparticle and
show a potential opportunity to fabricate hollow, coherently bonded, ie dislocation-free, core–
shell nanoparticles by using thin-wall shells with inner-to-outer radii ratio> 0.8 as supporting …
A theoretical model is suggested to determine the critical conditions for generation of circular prismatic misfit dislocation loops in hollow core–shell nanoparticles. Based on a strict solution of the linear elasticity boundary-value problem for a circular prismatic dislocation loop in a free-surface shell, we examine the loop formation energy in the nanoparticle and show a potential opportunity to fabricate hollow, coherently bonded, i.e. dislocation-free, core–shell nanoparticles by using thin-wall shells with inner-to-outer radii ratio >0.8 as supporting cores.
Elsevier
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