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We present a two-step procedure to probe hotspots of plasmon-enhanced Ramanscattering with carbon nanotubes. Dielectrophoretic deposition places a smallcarbon nanotube bundle on top of plasmonic Au nanodimer. After'pre-characterising' both the nanotubes and dimer structure, we subsequentlyuse the tip of an AFM to push the bundle into the plasmonic hotspot located inthe 25nm wide dimer gap, characterize its location inside the gap, and observethe onset of plasmon-enhanced Raman scattering. Evidence for the activation ofthe carbon nanotube's double-resonant D-mode by the near-field of the plasmonichotspot is discussed.

Probing hotspots of plasmon-enhanced Raman scattering by nanomanipulation of carbon nanotubes