Ordering of oxide precipitates in oxygen implanted silicon

Abstract
An order network of oxide precipitates has been found in the monocrystalline superficial silicon layer of a silicon-on-insulator structure obtained by high-dose oxygen implantation. The network consists of oxide precipitates 2 nm in size spaced about 5 nm apart. Electron diffraction patterns indicate that ordering occurs both parallel and perpendicular to the surface along the 〈100〉 directions of the silicon lattice. The precipitate network has a cubic symmetry.