Synthesis and properties of highly metallic orbital-ordered A-site manganites (Articolo in rivista)

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  • Synthesis and properties of highly metallic orbital-ordered A-site manganites (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s11051-013-1655-9 (literal)
Alternative label
  • Pasquale Orgiani, Carmela Aruta, Regina Ciancio, Alice Galdi, Luigi Maritato (2013)
    Synthesis and properties of highly metallic orbital-ordered A-site manganites
    in Journal of nanoparticle research (Dordrecht. Online); Springer-Verlag, Dordrecht (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pasquale Orgiani, Carmela Aruta, Regina Ciancio, Alice Galdi, Luigi Maritato (literal)
Pagina inizio
  • 1655-1 (literal)
Pagina fine
  • 1655-9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.springer.com/article/10.1007/s11051-013-1655-9/fulltext.html (literal)
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  • 15 (literal)
Rivista
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  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) CNR-SPIN, UOS Salerno, 84084 Fisciano, SA, Italy (2) CNR-SPIN and DICII, University of Roma Tor Vergata, 00133 Rome, Italy (3) CNR-IOM TASC, Area Science Park Basovizza, 34136 Trieste, Italy (4) Dipartimento di Ingegneria Industriale (DIIN), University of Salerno and CNR-SPIN, 84084 Fisciano, SA, Italy (5) Dipartimento di Ingegneria dell'Informazione, Ingegneria Elettrica e Matematica Applicata (DIEM), University of Salerno and CNR-SPIN, 84084 Fisciano, SA, Italy (literal)
Titolo
  • Synthesis and properties of highly metallic orbital-ordered A-site manganites (literal)
Abstract
  • In perovskite oxide materials, because of the insertion of multiple valence states ions (e.g., Mn in manganites) at atomic A-site (i.e., at the center of perovskite cubic cell), an enhancement of the ferromagnetic metallic state together with a strong orbital order of Mn-ions is established. Such a feature goes beyond the conventional theoretical framework for which the kinetic energy of the free charge carriers prevents the occurrence of a long-range orbital order. We do provide a complete physical characterization of these so-called A-site manganites by comparing transport and structural properties of La0.7Sr0.3MnO3 and LaMnO3 thin films with different excess Mn content and different oxygen content. A viable route to successfully grow such class of materials as a function of temperature and oxygen environment is provided. The observed multi-order phase coexistence opens unexplored perspectives toward the synthesis of new intrinsic multi-functional materials. (literal)
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