Fig. 4: Monte Carlo simulations of K+ arrangements for different Al3+ arrangements.
From: Resolving the intrinsic short-range ordering of K+ ions on cleaved muscovite mica
a Distribution of free-standing K+ ions (orange). b−e Distributions of K+ ions over different AlSi3 lattices (Al3+ and Si4+ ions are shown in blue and gray, respectively). b, c Long-range-ordered distributions of Al ions obtained assuming perfectly ordered para-only configurations. d Al distribution fitting the NMR data satisfying electrostatic constraints on the Al positions (1 or 2 Al/ring, no Al nearest neighbors (NN), meta and para equally favored)52. e Same Al distribution as in panel (d) but including screening effects through the substrate by considering a lower effective Al charge (details in Supplementary Note 2). f−j Histograms showing the fraction of K+ ions found with a given numbers of NN. The distribution extracted from the experimental data (dashed) is overlaid to the simulated ones. The best fit (j) is obtained for the K+ distribution in panel (e).
