physica status solidi (a)

Cover image for Vol. 214 Issue 3

Editor: Stefan Hildebrandt (Editor-in-Chief), Sabine Bahrs (Deputy Editor)

Online ISSN: 1862-6319

Associated Title(s): physica status solidi (b), physica status solidi (c), physica status solidi (RRL) - Rapid Research Letters

208_06b/2011Back Cover: Fabrication of ordered silicon nanopillars and nanowires by self-assembly and metal-assisted etching (Phys. Status Solidi A 6/2011)

As shown by Boarino et al. (pp. 1412–1416), an array of silicon nanowires can be obtained by the self-assembly of polystyrene nanospheres and metal assisted etching. A thin film of noble metal like silver or gold is nano-indented by sputter etching of Ar+ ions through the interstitial voids among the hexagonal close-packed assembly of the spheres. During the successive metal assisted etching, the thin metal film sinks into the bulk of silicon extruding ordered silicon nanowires.

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