Defect–Deformational Surface Layer Instability As a Universal Mechanism for Forming Lattices and Nanodot Ensembles under the Effect of Ion and Laser Beams on Solid Bodies,Bulletin of the Russian Academy of Sciencesстатья
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Аннотация:The defect–deformational (DD) model of surface nanostructure formation under the effect of ion
and laser beams is extended to an anisotropic case. The DD theory describes from a unified point of view
simultaneous bifurcations in the dependences of grating orientation and period on the ion beam incidence
angle, grating rotation, and transition to the formation of a nanodot structure, all of which have been recently
observed during ion sputtering of Si. A nonlinear twodimensional Kuramoto–Sivashinsky DDequation
(DDKS) that describes the formation of lamellalike structures and ordered hexagonal ensembles of nan
odots upon normal incidence of ion and laser beams on solid bodies is obtained.