The image above shows a scanning electron micrograph of a multi-layered silver-alumina nanopyramidal film created from an etched silicon template. The surface plasmon resonances of this metallodielectric stack can be tuned by changing the relative thicknesses of the silver and alumina layers.
Image by Hanwei Gao in Professor Teri Odom's Research Group, Dept. of Chemistry, Northwesten University.
Sign up for our newsletter to receive information on events, news, and articles.