title: Surface-enhanced Raman scattering on aluminum using near infrared and visible excitation.
abstract: We observed strong surface-enhanced Raman scattering on discontinuous nanostructured aluminum films using 785 nm excitation even though dielectric constants of this metal suggest plasmon supported spectroscopy in the ultraviolet range. The excitation of SERS correlates with plasmon resonances in the 1.3-2.5 eV range identified in electron energy loss spectra.
authors.affiliation: Danmarks Tekniske Universitet DTU, Department of Micro- and Nanotechnology, 2800 Kgs. Lyngby, Denmark.
authors.forename: Klaus Bo
authors.initials: KB
authors.lastname: Mogensen
authors.forename: Marina
authors.initials: M
authors.lastname: Gühlke
authors.forename: Janina
authors.initials: J
authors.lastname: Kneipp
authors.forename: Shima
authors.initials: S
authors.lastname: Kadkhodazadeh
authors.forename: Jakob B
authors.initials: JB
authors.lastname: Wagner
authors.forename: Marta Espina
authors.initials: ME
authors.lastname: Palanco
authors.forename: Harald
authors.initials: H
authors.lastname: Kneipp
authors.forename: Katrin
authors.initials: K
authors.lastname: Kneipp