Unusually Large Magnetic Anisotropy in Electrochemically Deposited Co-Rich Co-Pt Films (Articolo in rivista)

Type
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  • Unusually Large Magnetic Anisotropy in Electrochemically Deposited Co-Rich Co-Pt Films (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/am200267u (literal)
Alternative label
  • Sirtori, V.; Cavallotti, P.L.; Rognoni, R.; Xu, X.; Zangari, G.; Fratesi, G.; Trioni, M.I.; Bernasconi, M. (2011)
    Unusually Large Magnetic Anisotropy in Electrochemically Deposited Co-Rich Co-Pt Films
    in ACS applied materials & interfaces (Print); ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sirtori, V.; Cavallotti, P.L.; Rognoni, R.; Xu, X.; Zangari, G.; Fratesi, G.; Trioni, M.I.; Bernasconi, M. (literal)
Pagina inizio
  • 1800 (literal)
Pagina fine
  • 1803 (literal)
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  • 3 (literal)
Rivista
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  • http://pubs.acs.org/doi/abs/10.1021/am200267u (literal)
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  • 4 (literal)
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  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Dipartimento di Chimica, Materiali e Ingegneria Chimica, Politecnico di Milano, via Mancinelli 7, 20131 Milano, Italy [Sirtori, Cavallotti] SEM srl - Services for Electronic Manufacturing, Via Lecco 61, 20059 Vimercate (MB), Italy [Rognoni] Department of Materials Science and Engineering and CESE, University of Virginia, Charlottesville, Virginia 22904, United States [Xu, Zangari] Department of Materials Science, University of Milano-Bicocca, Via R. Cozzi 53, 20125 Milano, Italy [Fratesi, Trioni, Bernasconi] (literal)
Titolo
  • Unusually Large Magnetic Anisotropy in Electrochemically Deposited Co-Rich Co-Pt Films (literal)
Abstract
  • Co-rich Co-Pt films grown by electrodeposition from an amino-nitrite/citrate/glycine electrolyte onto Au(111) substrates apparently grow with a hexagonal structure, with its c-axis directed perpendicular to the surface. The films exhibit a perpendicular magnetic anisotropy (MCA) of the same order of magnitude as the shape anisotropy. Experimental estimates of the MCA result in a higher anisotropy than that reported for bulk materials of the same composition, but similar to values measured in films grown by vacuum methods at relatively high temperature, which partly consist of a high anisotropy, metastable orthorhombic Pmm2 phase. Comparison of valence band X-ray photoelectron spectroscopy measurements on electro-deposited films with density functional theory simulations of the electronic structure of the various reported Co3Pt structures support the notion that the films may consist of a mixture of the hexagonal and the Pmm2 structure. (literal)
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