title: The impact of doping rates on the morphologies of silver and gold nanowires grown in helium nanodroplets.
abstract: Silver and gold nanowires are grown within superfluid helium nanodroplets and investigated by high resolution electron microscopy after surface deposition. The wire morphologies depend on the rate of metal atom doping in the pickup sequence. While high doping rates result in a polycrystalline face-centered cubic nanowire structure, at lower doping rates the initial fivefold-symmetry seems to be preserved. An explanation for this observation is given by computer simulations, which allow the derivation of timescales for the nanowire growth process inside helium nanodroplets.
authors.affiliation: Institute of Experimental Physics, Graz University of Technology, Petersgasse 16, A-8010 Graz, Austria. andreas.w.hauser@gmail.com wolfgang.ernst@tugraz.at.
authors.forename: Alexander
authors.initials: A
authors.lastname: Volk
authors.forename: Philipp
authors.initials: P
authors.lastname: Thaler
authors.forename: Daniel
authors.initials: D
authors.lastname: Knez
authors.forename: Andreas W
authors.initials: AW
authors.lastname: Hauser
authors.forename: Johannes
authors.initials: J
authors.lastname: Steurer
authors.forename: Werner
authors.initials: W
authors.lastname: Grogger
authors.forename: Ferdinand
authors.initials: F
authors.lastname: Hofer
authors.forename: Wolfgang E
authors.initials: WE
authors.lastname: Ernst