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
- 김지현; N. B. Ha; 김재성; 조민웅; 이광렬; R. Cuerno
- surface nipple; ion beam sputtering; simulation
- Issue Date
- VOL 22, NO 28, 285301-1-285301-8
- Highly ordered one-dimensional arrays of nanodots, or nanobeads, are fabricated by forming
nanoripples and nanodots in sequence, entirely by ion-beam sputtering (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: nonlinear effects, especially local redeposition
and surface-confined transport, are essential both for the formation and the preservation of the
one-dimensional order of the nanobead pattern.
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