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Träfflista för sökning "WFRF:(Persson Fredrik) ;pers:(Persson Mats 1954)"

Sökning: WFRF:(Persson Fredrik) > Persson Mats 1954

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  • Repp, Jascha, et al. (författare)
  • Controlling the Charge State of Individual Gold Adatoms
  • 2004
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 305, s. 493-
  • Tidskriftsartikel (refereegranskat)abstract
    • The nature and control of individual metal atoms on insulators are of great importance in emerging atomic-scale technologies. Individual gold atoms on an ultrathin insulating sodium chloride film supported by a copper surface exhibit two different charge states, which are stabilized by the large ionic polarizability of the film. The charge state and associated physical and chemical properties such as diffusion can be controlled by adding or removing a single electron to or from the adatom with a scanning tunneling microscope tip. The simple physical mechanism behind the charge bistability in this case suggests that this is a common phenomenon for adsorbates on polar insulating films.
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  • Repp, Jascha, et al. (författare)
  • Imaging Bond Formation Between a Gold Atom and Pentacene on an Insulating Surface
  • 2006
  • Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 312:5777, s. 1196-1199
  • Tidskriftsartikel (refereegranskat)abstract
    • A covalent bond between an individual pentacene molecule and a gold atom was formed by means of single-molecule chemistry inside a scanning tunneling microscope junction. The bond formation is reversible, and different structural isomers can be produced. The single-molecule synthesis was done on ultrathin insulating films that electronically isolated the reactants and products from their environment. Direct imaging of the orbital hybridization upon bond formation provides insight into the energetic shifts and occupation of the molecular resonances.
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  • Resultat 1-7 av 7

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