Self-Assembled Monolayer of Cr7Ni Molecular Nanomagnets by Sublimation (Articolo in rivista)

Type
Label
  • Self-Assembled Monolayer of Cr7Ni Molecular Nanomagnets by Sublimation (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nn201800e (literal)
Alternative label
  • A. Ghirri, V. Corradini, V. Bellini, R. Biagi, U. del Pennino, V. De Renzi, J. C. Cezar, C. A. Muryn, G. A. Timco, R. E. P. Winpenny, and M. Affronte (2011)
    Self-Assembled Monolayer of Cr7Ni Molecular Nanomagnets by Sublimation
    in ACS nano
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Ghirri, V. Corradini, V. Bellini, R. Biagi, U. del Pennino, V. De Renzi, J. C. Cezar, C. A. Muryn, G. A. Timco, R. E. P. Winpenny, and M. Affronte (literal)
Pagina inizio
  • 7090 (literal)
Pagina fine
  • 7099 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • +S3 Centre, Institute Nanoscience?CNR, Via G. Campi 213/A, 41125 Modena (I), Italy, ?Dipartimento di Fisica, Università di Modena e Reggio Emilia, Via G. Campi 213/A, 41125 Modena (I), Italy, §European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble C?edex, France, and ^School of Chemistry and Photon Science Institute, University of Manchester, Oxford Road, Manchester, M13 9PL, U.K. (literal)
Titolo
  • Self-Assembled Monolayer of Cr7Ni Molecular Nanomagnets by Sublimation (literal)
Abstract
  • We show, by complementary spectroscopic and STM analysis, that Cr7Ni derivatives are suitable to be sublimed in UHV conditions. Cr7Ni-bu weakly bonds to gold surface and can diffuse relatively freely on it, forming monolayers with hexagonal 2D packing. Conversely, by adding a functional thiol group to the central dibutylamine, a covalent bond between the molecule and surface gold adatoms is promoted, leading to a strong molecular grafting and the formation of a disordered monolayer. These two examples demonstrate the possibility to control the assembly of a large molecular complex, as rationalized by DFT calculations that establish different energy scales in the deposition processes. Moreover, low-temperature XMCD sprectra show that the magnetic features of Cr7Ni rings deposited in UHV on gold remain unchanged with respect to those of the corresponding bulk sample. (literal)
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