SEM image of GaN. After 2 h of electrophoretic deposition of Pd NPs (lower side) and graphite Schottky contact (left upper corner). The image was additionally processed to enhance the contrast. The scale 1 μm is shown with the bright bar at the bottom of the image.
Zdansky Nanoscale Research Letters 2011 6:490 doi:10.1186/1556-276X-6-490