Figure 6.

Schematic representation of the proposed growth model of GaAs/MWCNT/Ag system: a etched GaAs (100) substrate; b Surface decomposition of the sample annealed at 600°C; c MWCNTs occupying depressions between As plates; d final structure after deposition of Ag nanoparticles and annealing at 300°C

Al-Harthi et al. Nanoscale Research Letters 2010 5:1737-1743   doi:10.1007/s11671-010-9703-1