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. 2011 May 17;4(5):908–928. doi: 10.3390/ma4050908

Figure 3.

Figure 3

Ni-nanoparticles between 2 and 6 nm electrodeposited on the pore walls of porous silicon matrices. An increase of the deposition current density from (a) 25; (b) 35 to (c) 50 mAcm−2 results in closer packing of the particles, forming a metal-tube like arrangement [34].