Figure 1
Two different numerical models employed for quantitative analyses of the effect of strain. (a, b) General phase model (GPM) which assigns both a modulus (a) and a phase (b) value to each pixel. (c, d) Real atomistic model (RAM) which contains only modulus values. Here the phase shift in Bragg diffraction originates from lattice distortions. L and ΔL in (d) correspond to half of the lattice constant (a/2) in the (10) crystal plane direction and the step-like displacement, respectively. L was fixed to 32 pixels and ΔL was varied for the different simulations (see Table 1). |