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Figure 1 | Nanoscale Research Letters

Figure 1

From: High performance surface-enhanced Raman scattering substrates of Si-based Au film developed by focused ion beam nanofabrication

Figure 1

Schematic images of the process of FIB pre-milling with the following thermal evaporation. (a) Cross section of the nanostructures before and after thermal evaporation. We can clearly find that the spacing becomes smaller after depositing gold film; (b) top view of the nanostructures. It describes the change of the nanostructures’ morphology.

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