K and mixed K+O adlayers on Rh(110) (Articolo in rivista)

Type
Label
  • K and mixed K+O adlayers on Rh(110) (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2140693 (literal)
Alternative label
  • Gunther, S (1); Hoyer, R (2); Marbach, H (2); Imbihl, R (2); Esch, F (3); Africh, C (3,4); Comelli, G (3,4); Kiskinova, M (5) (2006)
    K and mixed K+O adlayers on Rh(110)
    in The Journal of chemical physics; American Institute of Physics, Melville [NY] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gunther, S (1); Hoyer, R (2); Marbach, H (2); Imbihl, R (2); Esch, F (3); Africh, C (3,4); Comelli, G (3,4); Kiskinova, M (5) (literal)
Pagina inizio
  • 014706 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 124 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopus (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Univ Munich, Dept Chem, D-81377 Munich, Germany; (2) Inst Phys Chem & Elektrochem, D-30167 Hannover, Germany; (3) INFM, CNR, Lab TASC, I-34012 Trieste, Italy; (4) Univ Trieste, Dept Phys and Ctr Excellence Nanostruct Mat, I-34127 Trieste, Italy; (5) Sincrotrone Trieste, I-34012 Trieste, Italy (literal)
Titolo
  • K and mixed K+O adlayers on Rh(110) (literal)
Abstract
  • The evolution of the structure of the adlayers and the substrate during adsorption of K and coadsorption of K and O on Rh(110) is studied by scanning tunneling microscopy and low-energy electron diffraction. The K adsorption at temperature above 450 K leads to consecutive (1 x 4), (1 x 3), and (1 x 2) missing-row reconstructions for coverage up to 0.12 ML, which revert back to (1 x 3) and (1 x 4) with increasing coverage up to 0.21 ML. The coadsorption of different oxygen amount at T > 450 K and eventually following reduction-reoxidation cycles led to a wealth of coadsorbate structures, all involving substrate missing-row-type reconstructions, some including segmentation of Rh rows along the [110] direction. The presence of K stabilizes the (1 x 2) missing-row reconstruction, which facilitates the formation of a great variety of very open (10 x 2)-type reconstructions at high oxygen coverage, not observed in the single adsorbate systems. (literal)
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