Figure 3.

SEM and STEM images of nanowires. (a) SEM image of PAA filled with Cu in dendrites (branched pores at the pore bottom) and Au-Ni segmented nanowires, with 400 and 800 nm, respectively and (b) STEM image of a suspension of dendrites free Au/Ni segmented nanowires.

Sousa et al. Nanoscale Research Letters 2012 7:168   doi:10.1186/1556-276X-7-168
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