title: Optical properties of Al nanostructures from time dependent density functional theory.
abstract: The optical properties of Al nanostructures are investigated by means of time dependent density functional theory, considering chains of varying length and ladders/stripes of varying aspect ratio. The absorption spectra show redshifting for increasing length and aspect ratio. For the chains the absorption is dominated by HOMO → LUMO transitions, whereas ladders and stripes reveal more complex spectra of plasmonic nature above a specific aspect ratio.
authors.affiliation: King Abdullah University of Science and Technology (KAUST), Physical Science and Engineering Division (PSE), Thuwal 23955-6900, Saudi Arabia.
authors.forename: Junais Habeeb
authors.initials: JH
authors.lastname: Mokkath
authors.affiliation: King Abdullah University of Science and Technology (KAUST), Physical Science and Engineering Division (PSE), Thuwal 23955-6900, Saudi Arabia.
authors.forename: Udo
authors.initials: U
authors.lastname: Schwingenschlögl