Fabrication of Gold Nanodot Array for the Localized Surface Plasmon Resonance

Figure 3

Scanning electron micrographs of alumina film on glass substrate. (a) The surface of aluminum layer after the first anodization. (b) The surface of alumina film after the second anodization. (c) The surface of alumina mask completed after removing the barrier layer. (d) The cross-sectional view of the alumina mask.

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