title: Periodic electric field enhancement along gold rods with nanogaps.
authors.affiliation: Department of Chemistry and International Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA.
authors.forename: María L
authors.initials: ML
authors.lastname: Pedano
authors.forename: Shuzhou
authors.initials: S
authors.lastname: Li
authors.forename: George C
authors.initials: GC
authors.lastname: Schatz
authors.forename: Chad A
authors.initials: CA
authors.lastname: Mirkin