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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)
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- 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)
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- http://link.aps.org/doi/10.1103/PhysRevB.86.115132 (literal)
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- 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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