Local topography of typical work areas on the NCD thin films. (a, b) AFM morphology on charged areas. (c, d) Corresponding KFM of electrostatically charged crosses on the nanocrystalline diamond thin film using (c) negative and (d) positive voltage. (e, f) Optical microscope pictures of the charged crosses after immersion to emulsion containing alumina nanoparticles.
Verveniotis et al. Nanoscale Research Letters 2011 6:144 doi:10.1186/1556-276X-6-144