http://www.cnr.it/ontology/cnr/individuo/prodotto/ID209046
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)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pasquale Orgiani, Carmela Aruta, Regina Ciancio, Alice Galdi, Luigi Maritato (literal)
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- http://link.springer.com/article/10.1007/s11051-013-1655-9/fulltext.html (literal)
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- (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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