Structural characterisation of Fe layers on Co(11-20) (Articolo in rivista)

Type
Label
  • Structural characterisation of Fe layers on Co(11-20) (Articolo in rivista) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0039-6028(00)00760-3 (literal)
Alternative label
  • A. Borghi, A. di Bona, P. Luches and S. Valeri (2000)
    Structural characterisation of Fe layers on Co(11-20)
    in Surface science; ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Borghi, A. di Bona, P. Luches and S. Valeri (literal)
Pagina inizio
  • 30 (literal)
Pagina fine
  • 40 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0039602800007603 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 466 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Nazionale per la Fisica della Materia, via Campi 213/a, 41100 Modena, Italy Dipartimento di Fisica, Università di Modena e Reggio Emilia, via Campi 213/a, 41100 Modena, Italy (literal)
Titolo
  • Structural characterisation of Fe layers on Co(11-20) (literal)
Abstract
  • The structure of thin Fe overlayers on the Co(11 (2) over bar0) surface has been investigated by low energy electron diffraction (LEED) and by primary-beam diffraction modulated electron emission (PDMEE). Films were prepared by slow Fe deposition at room temperature, up to a nominal coverage of 14 ML. The structure of the layers was the tetragonally distorted bet modification of the equilibrium bcc phase, with the (001)Fe\(11 (2) over bar0)Co and [1 (1) over bar0]Fe\[1 (1) over bar 00]Co relationships with the Co substrate. In the low coverage range (0-2 ML) iron forms 3 ML thick islands, that by further Fe deposition increase in thickness and finally coalesce at a coverage as large as 5 ML. The occurrence of a highly distorted bet phase is detected at a nominal coverage of about 2 ML. The final, 14 ML thick film exhibits a 3% contraction along the growth axis with respect to the equilibrium phase. The Fe(001)-Co(11 (2) over bar0) system is a rarely encountered example in which the substrate and overlayer unit meshes exhibit a very large misfit asymmetry in the interface plane. As a consequence, a breakdown of the long-range order occurs in the Fe film along the [1 (1) over bar 00] substrate direction. (literal)
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