Journal
NANO LETTERS
Volume 11, Issue 6, Pages 2478-2485Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl200921c
Keywords
Directed assembly; Rayleigh-Plateau; pulsed laser melting; nanoscale lithography; thin film dewetting
Categories
Funding
- U.S. Department of Energy, Basic Energy Sciences, Materials Sciences and Engineering Division
- Oak Ridge National Laboratory by the Office of Basic Energy Sciences, U.S. Department of Energy
- NSF [DMS-0908158]
- CONICET-Argentina
- ANPCyT-Argentina [PICT 2498/06]
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [908158] Funding Source: National Science Foundation
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A nanoscale, synthetic perturbation was all that was required to nudge a natural, self-assembly process toward significantly higher order. Metallic thin film strips were transformed into nanoparticle arrays by nanosecond, liquid-phase dewetting. Arrays formed according to an evolving Rayleigh-Plateau instability, yet nanoparticle diameter and pitch were poorly controlled. However, by patterning a nanoscale sinusoid onto the original strip edge, a precise nanoparticle diameter and pitch emerged superseding the naturally evolving Rayleigh-Plateau instability.
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