Table 1

Characteristic features of substrates annealed at different temperatures and nanostructures grown on these substrates

Substrate anneal T (°C)

RMS roughness (nm)

Terrace width (nm)

Gold droplet size (nm)

Gold droplet density (cm^-2)

Nanostructure density (cm^-2)

As-received

0.46

N/A

24.5 ± 10.8

7.3 · 10¹⁰

2.53 · 10⁸

1,000

0.36

30-150

22.3 ± 10.2

7.0 · 10¹⁰

4.21 · 10⁸

1,200

0.24

100-700

24.0 ± 9.3

6.8 · 10¹⁰

1.19 · 10⁹

1,400

0.16

100-350

19.4 ± 6.5

1.4 · 10¹¹

9.87 · 10⁸

Weigand et al. Nanoscale Research Letters 2011 6:566   doi:10.1186/1556-276X-6-566