Figure 3.

SEM images of NiCu films before (a, c, e) and after (b, d, f) the dealloying procedure. The initial copper content in the films are (a) 9.0±0.5%, (c) 12.6±0.6%, and (e) 21.4±1.1%. The copper content in the dealloyed films are (b) 9.5±0.5%, (d) 11.4±0.6%, and (f) 13.9±0.7%. The scale bar is 5 μm for all the images.

Koboski et al. Nanoscale Research Letters 2013 8:528   doi:10.1186/1556-276X-8-528
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