Surface morphology of the FSL irradiated area of the CNT array (SEM). (1) Nanospheres located at the tips of the CNT bundles. (2) Nanospheres located on top of CNT array (outside of the cavity). Inset: the entire 200 × 200 μm2 laser-processed surface.
Labunov et al. Nanoscale Research Letters 2013 8:375 doi:10.1186/1556-276X-8-375