Improved tunneling magnetoresistance at low temperature in manganite junctions grown by molecular beam epitaxy (Articolo in rivista)

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Label
  • Improved tunneling magnetoresistance at low temperature in manganite junctions grown by molecular beam epitaxy (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3581885 (literal)
Alternative label
  • R. Werner-1; A. Yu. Petrov-2; L. Alvarez Miño-3; R. Kleiner-1; D. Koelle-1; B. A. Davidson-2 (2011)
    Improved tunneling magnetoresistance at low temperature in manganite junctions grown by molecular beam epitaxy
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. Werner-1; A. Yu. Petrov-2; L. Alvarez Miño-3; R. Kleiner-1; D. Koelle-1; B. A. Davidson-2 (literal)
Pagina inizio
  • 162505 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://apl.aip.org/resource/1/applab/v98/i16/p162505_s1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 98 (literal)
Rivista
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  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-Physikalisches Institut-Experimentalphysik II, Universität Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany; 2-TASC National Laboratory, CNR-IOM, S.S. 14 Km 163.5 in AREA Science Park, 34012 Basovizza, Trieste, Italy; 3-Universidad Nacional de Colombia, Sede Manizales, Cra 27 # 64-60 Manizales, Colombia (literal)
Titolo
  • Improved tunneling magnetoresistance at low temperature in manganite junctions grown by molecular beam epitaxy (literal)
Abstract
  • We report resistance versus magnetic field measurements for a La(0.65)Sr(0.35)MnO(3)/SrTiO(3)/La(0.65)Sr(0.35)MnO(3) tunnel junction grown by molecular-beam epitaxy, that show a large field window of extremely high tunneling magnetoresistance (TMR) at low temperature. Scanning the in-plane applied field orientation through 360 degrees, the TMR shows fourfold symmetry, i.e., biaxial anisotropy, aligned with the crystalline axis but not the junction geometrical long axis. The TMR reaches similar to 1900% at 4 K, corresponding to an interfacial spin polarization of > 95% assuming identical interfaces. These results show that uniaxial anisotropy is not necessary for large TMR, and lay the groundwork for future improvements in TMR in manganite junctions. (literal)
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