Additional file 1.Further details on material fabrication (Figure S1), the conductive AFM setup (Figure S2), AFM tip-sample interactions (S3), AFM height and friction images (Figure S4), and the correlation between SEM and C-AFM imaging (Figure S5) are given. Format: DOC Size: 1.2MB Download file This file can be viewed with: Microsoft Word Viewer Souier et al. Nanoscale Research Letters 2012 7:630 doi:10.1186/1556-276X-7-630 |