Enhanced transport properties in LaxMnO3 thin films grown on SrTiO3 substrates (Articolo in rivista)

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  • Enhanced transport properties in LaxMnO3 thin films grown on SrTiO3 substrates (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.845080 (literal)
Alternative label
  • P.Orgiani; A.Galdi; C.Aruta; R.Ciancio; U.Lüders; R.V.K.Mangalam; W.Prellier; L.Maritato (2010)
    Enhanced transport properties in LaxMnO3 thin films grown on SrTiO3 substrates
    in Proceedings of SPIE, the International Society for Optical Engineering; SPIE-International Society for Optical Engineering, Bellingham (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • P.Orgiani; A.Galdi; C.Aruta; R.Ciancio; U.Lüders; R.V.K.Mangalam; W.Prellier; L.Maritato (literal)
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  • 76030W-1 (literal)
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  • 76030W-10 (literal)
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  • http://link.aip.org/link/psisdg/v7603/i1/p76030W/s1 (literal)
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  • 7603 (literal)
Rivista
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  • 10 (literal)
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  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
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  • CNR-INFM Coherentia and Department of Mathematics and Informatics, University of Salerno, I-84081, Baronissi (SA), Italy. CNR-INFM Coherentia and Department of Physics, University of Salerno, I-84081, Baronissi (SA), Italy. CNR-INFM Coherentia and Department of Physics, University of Napoli, I-80126, Napoli, Italy. CNR-INFM National Laboratory TASC, I-84081, Basovizza (TS), Italy. Laboratoire CRISMAT, ENSICAEN, CNRS UMR 6508, 14050 Caen, France. (literal)
Titolo
  • Enhanced transport properties in LaxMnO3 thin films grown on SrTiO3 substrates (literal)
Abstract
  • We report on structural, magnetic, and transport properties of La(x)MnO(3-delta) thin films, epitaxially grown on SrTiO(3) substrates by molecular beam epitaxy deposition technique. We varied the La/Mn ratio by changing the evaporation rate of the single-element diffusive cells. However, the oxygen content of La(x)MnO(3-delta) thin films was varied by post-annealing them in air and/or vacuum, by changing the annealing temperature and the time of post-annealing process. Optimal oxygenated La(0.88)MnO(3-delta) (LMO) films show extremely high metal insulator transitions temperature T(MI) similar to 380K and magneto-transport similar to those found in strontium-doped La(1-x)Sr(x)MnO(3) manganites compounds. Magnetic measurements confirm the formation of a ferromagnetic phase at Curie temperature T(c) of about 360K. All these findings clearly demonstrate that the lanthanum deficiency, with respect to bivalent cation-substitution, is a very efficient way to hole-dope manganites. (literal)
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