Electronic structure study of ultrathin Ag(111) films modified by a Si(111) substrate and sqrt(3)xsqrt(3)-Ag2Bi surface (Articolo in rivista)

Type
Label
  • Electronic structure study of ultrathin Ag(111) films modified by a Si(111) substrate and sqrt(3)xsqrt(3)-Ag2Bi surface (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-8984/24/11/115501 (literal)
Alternative label
  • M Ogawa, P M Sheverdyaeva, P Moras, D Topwal, A Harasawa, K Kobayashi, C Carbone, I Matsuda (2012)
    Electronic structure study of ultrathin Ag(111) films modified by a Si(111) substrate and sqrt(3)xsqrt(3)-Ag2Bi surface
    in Journal of physics. Condensed matter (Print); IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M Ogawa, P M Sheverdyaeva, P Moras, D Topwal, A Harasawa, K Kobayashi, C Carbone, I Matsuda (literal)
Pagina inizio
  • 115501 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 24 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan CNR, Ist Struttura Mat, Trieste, Italy Sincrotrone Trieste SCpA, I-34012 Trieste, Italy Ochanomizu Univ, Fac Sci, Dept Phys, Bunkyo Ku, Tokyo 1128610, Japan (literal)
Titolo
  • Electronic structure study of ultrathin Ag(111) films modified by a Si(111) substrate and sqrt(3)xsqrt(3)-Ag2Bi surface (literal)
Abstract
  • Angle-resolved photoemission spectroscopy experiments show that the electronic structure of a Ag(111) film grown on Si(111) is markedly perturbed by the formation of a root 3 x root 3-Ag2Bi Rashba-type surface alloy. Four spin-split surface states, with different band dispersions and energy contours, intercept and hybridize selectively with the sp-derived quantum well states of the Ag layer. Detailed two-dimensional band mapping of the system was carried out and constant energy contours at different energies result in hexagonal-, star-and flower-like distortions of the quantum well states as a result of various interactions. Further wavy-like modulations of the electronic structure of the film are found to originate from umklapp reflections of the Ag film states according to the surface periodicity. (literal)
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