Figure 1.

SEM image of GaN NWs obtained using 10% H2 (a) and 100% H2 (b) The inset in (a) shows the α-like GaN layer obtained with no H2, while the inset in (b) shows Au NPs obtained by heating 10 nm Au/Si(001) at 900°C using 100% H2. The Au NPs do not coalesce into larger clusters but remain isolated.

Zervos and Othonos Nanoscale Research Letters 2011 6:262   doi:10.1186/1556-276X-6-262
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