Figure 2.

a TEM image of Co NT, b TEM image of Ni NW (inset: ED of Ni NW), c FESEM image of Ni @ Co nanorods, and d TEM image of Ni @ Co nanorod, after removing the alumina membrane

Narayanan et al. Nanoscale Research Letters 2009 5:164-168   doi:10.1007/s11671-009-9459-7