An optical micrograph of a hybrid organic-organometallic block copolymer thin film cast on a silicon nitride membrane substrate. These materials are being explored for use in the low-cost fabrication of various nanoscale dot, post and wire arrays.
By Seth Darling and Muruganathan Ramanathan (Argonne National Laboratory, Center for Nanoscale Materials)
Published as Materials Today cover, September 2009.
Photo courtesy of Argonne National Laboratory.