Figure 5.

SEM images of (a) a gold nanostructure with a thickness of 70 nm by lift-off process with 5 nm Cr as the adhesion layer; (b) gold nanoholes with a thickness of 100 nm by lift-off process with 5 nm Ti as the adhesion layer

Wu et al. Nanoscale Research Letters 2008 3:123-127   doi:10.1007/s11671-008-9124-6