By junction reactions with dislocations on two intersecting {111} planes, Lomer–Cottrell dislocations along 110 directions can be formed which are barriers for approaching screw dislocations. Treating the interaction between a dissociated screw dislocation and a LC lock conventionally, using classical ...
Lomer–Cottrell misfit dislocations in [001] In0.2Ga0.8As/GaAs single heterostructures are observed using high resolution electron microscopy. They result from the interaction of two parallel 60° dissociated misfit dislocations lying on intersecting {111} planes. Elasticity calculation is carried out to...