Surface-induced stacking transition at SiC(0001) (Articolo in rivista)

Type
Label
  • Surface-induced stacking transition at SiC(0001) (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.66.045320 (literal)
Alternative label
  • Righi M.C., Pignedoli C.A., Borghi G., Di Felice R., Bertoni C.M., Catellani A. (2002)
    Surface-induced stacking transition at SiC(0001)
    in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Righi M.C., Pignedoli C.A., Borghi G., Di Felice R., Bertoni C.M., Catellani A. (literal)
Pagina inizio
  • 45320-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v66/i4/e045320 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 66 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM-National Research Center on nanoStructures and bioSystems at Surfaces (S3), Dipartimento di Fisica, Universita` di Modena e Reggio Emilia, Via Campi 213/A, 41100 Modena, Italy; CNR-IMEM, Parco Area delle Scienze 37a, 43010 Parma, Italy (literal)
Titolo
  • Surface-induced stacking transition at SiC(0001) (literal)
Abstract
  • We present the ab initio results for the energetics of several SiC surfaces having different underlying bulk polytypes, to investigate the role of surface effects in the mechanisms of stacking inversion in SiC. We considered the Si adatom root3xroot3 reconstruction for the cubic SiC(111) and the hexagonal SiC(0001) surfaces, taking into account the different subsurface bulk terminations compatible with the 4H and 6H polytypes, and allowing for two opposite stacking orientations of the topmost surface layer. Our investigation reveals that the energy differences among SiC polytypes are enhanced at the surface with respect to the bulk, and two-dimensional effects favor the formation of cubic SiC. We discuss the relevant role played by the surface energetics in the homoepitaxial growth of SiC. (literal)
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