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Figure 1

From: Single-crystalline aluminum film for ultraviolet plasmonic nanolasers

Figure 1

(a,b) 5 × 5 μm2 top-view atomic force microscope images of the single- and polycrystalline Al films, respectively. (c) Reflectivity spectra of the twoAl films. (d) Cross-sectional transmission electron microscopy image of the Al2O3 layer on the single-crystalline Al film. Insetin (d) electron diffraction pattern of the Al region.

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