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The SEM images for (a) CNT forests grown by PECVD (b) CNT forests processed by PIII after 10 min. Scale bar is .
(a) The TEM image for a single where , Ni, and CNT are labeled. Scale bar is 200 nm. (b) The HRTEM image for on the cap site. Scale bar is 10 nm. Inset in (a) shows the TEM image for a single CNT (scale bar is 100 nm) and in (b) shows the corresponding SAED pattern.
The schematic diagram for formation. (a) Energetic ions bombard Ni nanoparticles but not side walls of CNTs. (b) Ni nanoparticles melt due to heat generated by ion impact and protrude down the CNT channel, exposing the side walls of CNTs to ions. (c) Exposed section of CNT side walls become amorphous by keV ions impact. (d) Pseudospherical nanoparticles covering Ni nanoparticles are formed.
The spontaneous roll-off of water droplet on nanocomposites: (a) A water droplet is dispensed to the surface. (b) The surface is lowered and the droplet rolls off from the surface spontaneously. (c) The droplet disappears afterwards. (d)–(g) show different shapes of the droplet at the detaching points when surfaces (d) Control and (e) Model are lowered to detach from a supported droplet or when droplets are receding on surfaces (f) Control and (g) Model.
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