Electronic structure of SrTi1-xMxO3-? (M = Co, Ni, Cu) perovskite-type doped-titanate crystals by DFT and DFT + U calculations (Articolo in rivista)

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  • Electronic structure of SrTi1-xMxO3-? (M = Co, Ni, Cu) perovskite-type doped-titanate crystals by DFT and DFT + U calculations (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.cplett.2013.10.020 (literal)
Alternative label
  • Carlotto S.; Natile M.M.; Glisenti A.; Vittadini A. (2013)
    Electronic structure of SrTi1-xMxO3-? (M = Co, Ni, Cu) perovskite-type doped-titanate crystals by DFT and DFT + U calculations
    in Chemical physics letters (Print); North Holland Pub. Co., Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carlotto S.; Natile M.M.; Glisenti A.; Vittadini A. (literal)
Pagina inizio
  • 102 (literal)
Pagina fine
  • 108 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0009261413012852 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 588 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-4 : Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via F. Marzolo 1, Padova 35131, Italy / 2,4 : CNR-IENI, Via F. Marzolo 1, Padova 35131, Italy (literal)
Titolo
  • Electronic structure of SrTi1-xMxO3-? (M = Co, Ni, Cu) perovskite-type doped-titanate crystals by DFT and DFT + U calculations (literal)
Abstract
  • We study the electronic structure of Co, Ni, and Cu impurities and of their vacancy-associated complexes in SrTiO3 crystals by means of density functional theory (DFT) and DFT + U calculations. Simple substitutionals prefer low-spin states, as expected from ligand field theory. On the other hand, the formation energy of vacancies (which tend to stay close to the impurity) is rather low for all the doped systems, and decreases with Z. This reflects the low stability of the +IV oxidation state for the impurities. Contrary to simple impurities, high-spin states are predicted to be stable when impurities are associated to vacancies. (literal)
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