One-dimensional pattern of Au nanodots by ion-beam-sputtering: formation and mechanism

Details One-dimensional pattern of Au nanodots by ion-beam-sputtering: formation and mechanism One-dimensional pattern of Au nanodots by ion-beam-sputtering: formation and mechanism

2011-02-10

arxiv.org/abs/1102.2142v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

Highly ordered one-dimensional arrays of nanodots, or nanobeads, are fabricated by forming nanoripples and nanodots in sequence, entirely by ion-beamsputtering (IBS) of Au(001). This demonstrates the capability of IBS for the fabrication of sophisticated nanostructures via hierarchical self-assembly. The intricate nanobead pattern ideally serves to identify the governing mechanisms for the pattern formation: Non-linear effects, especially local redeposition and surface-confined transport, are essential both for the formation and the preservation of the pattern order.

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