A technique of electron microscope observation of a replica of the chemical etched surface has been used to see the disorder produced around the singlehyphen;ion paths in Inhyphen;implanted Si. Structures of variable dimensions ranging from about 100 Aring; up to nearly 600 Aring; in diameter have been observed, with a density of about 1010cmminus;2in a very thin layer in the surface.
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