Simulation of an edge source in the Cu-Ni multilayer system

Three-dimensional (3-D) atomistic simulations incorporating Green's function boundary conditions (GFBCs) were used to calculate the bowing of a short edge segment. Atomistic simulation results on the bowing of the source was shown to be in excellent agreement with anisotropic elasticity predictions even at these short segment lengths. Elasticity calculations were then used to show that for all wavelengths and volume fraction of Ni in the Cu-Ni multilayered system, coherency stresses present in Ni are almost identical to the stresses required for activating a source. Overall, these results are equally applicable for activation of sources in the softer Cu layer.