Figure 2.

Three-dimensional atomic force microscopy image (inset is a 2 dimensional image) of a micro- and nanoscale complex structure of (a) the N-faced GaN surface, (b) replicated polydimethylsiloxane stamp, and (c) surface of light-emitting diode device after the nanoimprint lithography process.

Cho et al. Nanoscale Research Letters 2011 6:578   doi:10.1186/1556-276X-6-578
Download authors' original image