Controlling the Magnetic Properties of a Single Phthalocyanine Molecule through its Strong Coupling with the GaAs Surface (Articolo in rivista)

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  • Controlling the Magnetic Properties of a Single Phthalocyanine Molecule through its Strong Coupling with the GaAs Surface (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jz100852a (literal)
Alternative label
  • Mattioli G. (1,2); Filippone F. (1); Amore Bonapasta A. (1) (2010)
    Controlling the Magnetic Properties of a Single Phthalocyanine Molecule through its Strong Coupling with the GaAs Surface
    in The journal of physical chemistry letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mattioli G. (1,2); Filippone F. (1); Amore Bonapasta A. (1) (literal)
Pagina inizio
  • 2757 (literal)
Pagina fine
  • 2762 (literal)
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  • 1 (literal)
Rivista
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  • http://dx.doi.org/10.1021/jz100852a (literal)
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  • 6 (literal)
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  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1) Istituto di Struttura della Materia (ISM) del Consiglio Nazionale delle Ricerche, Via Salaria Km 29.5, CP 10, 00015 Monterotondo Stazione, Italy; 2) Department of Chemistry, Università degli Studi di Roma “La Sapienza”, P.le A. Moro 2, 00185 Roma, Italy; (literal)
Titolo
  • Controlling the Magnetic Properties of a Single Phthalocyanine Molecule through its Strong Coupling with the GaAs Surface (literal)
Abstract
  • Results of an ab initio DFT (density functional theory) investigation of the paramagnetic vanadyl-phthalocyanine (VOPc) adsorbed on the GaAs (001) surface indicate that a Pc molecule equipped with a central metal-nonmetal pair gives rise to a strong molecule-semiconductor coupling that directly involves the central transition metal (TM) and permits to manipulate its magnetic properties. The nonmetal atom plays a key role in achieving such a remarkable effect by binding the molecule to the surface, permitting a substrate-to-molecule charge-transfer, and inducing a robust TM high spin configuration. The present model of organic-inorganic coupling can have a particular value because it involves semiconductor substrates, which generally give rise to a weak coupling with Pc molecules. It also indicates an alternative route for controlling the molecular magnetic properties, thus offering further degrees of freedom and opening wider perspectives for realizing single-molecule-based spintronics devices. (literal)
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