Off-stoichiometry effect on orbital order in A-site manganites probed by x-ray absorption spectroscopy (Articolo in rivista)

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  • Off-stoichiometry effect on orbital order in A-site manganites probed by x-ray absorption spectroscopy (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.86.115132 (literal)
Alternative label
  • C. Aruta; M. Minola; A. Galdi; R. Ciancio; A. Yu. Petrov; N. B. Brookes; G. Ghiringhelli; L. Maritato; P. Orgiani; (2012)
    Off-stoichiometry effect on orbital order in A-site manganites probed by x-ray absorption spectroscopy
    in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • C. Aruta; M. Minola; A. Galdi; R. Ciancio; A. Yu. Petrov; N. B. Brookes; G. Ghiringhelli; L. Maritato; P. Orgiani; (literal)
Pagina inizio
  • 115132-1 (literal)
Pagina fine
  • 115132-8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.86.115132 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
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  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-SPIN and Department of Physical Sciences, University of Napoli, I-80125 Napoli, Italy; CNISM and Department of Physics, Politecnico di Milano, I-20133 Milano, Italy; CNR-SPIN and Department of Industrial Engineering, University of Salerno, I-84084 Fisciano (SA), Italy; CNR-IOM TASC, Area Science Park Basovizza, I-34146 Trieste, Italy; European Synchrotron Radiation Facility, F-38043 Grenoble, France; CNR-SPIN and Department of Physics, Politecnico di Milano, I-20133 Milano, Italy ; (literal)
Titolo
  • Off-stoichiometry effect on orbital order in A-site manganites probed by x-ray absorption spectroscopy (literal)
Abstract
  • We here report on the occurrence of strong orbital order driven by off-stoichiometry in oxide manganite films. Multiple-electronic-valence Mn ions are possibly substituted into the perovskite atomic A site (namely, A-site manganites). By combining state-of-the-art synchrotron ultrafine spectroscopies, we did provide evidence of a high ferromagnetic metallic state together with a strong orbital order of Mn ions, despite that the kinetic energy of the free charge carriers should prevent long-range orbital order. By varying the total amount of Mn ions at the perovskite A site, a specific orbital order (either in-plane or out-of-plane) can be determined. (literal)
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