Enhanced low field magnetoresistance in nanocrystalline La0.7 Sr0.3 MnO3 synthesized on MgO nanowires

Z. Zhang*, R. Ranjith, B. T. Xie, L. You, L. M. Wong, S. J. Wang, J. L. Wang, W. Prellier, Y. G. Zhao, Tao Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

We report on the structure and transport properties of nanocrystalline manganite La0.7 Sr0.3 MnO3 (LSMO) synthesized on nanowires-engineered MgO substrates by pulsed laser deposition, which is compared with reference samples deposited directly on flat MgO substrates. Such LSMO/MgO nanocomposites show enhanced low field magnetoresistance, especially at low temperature, due to the dominant spin-polarized intergrain tunneling. This work suggests that growing on nanoengineered substrates is a viable route to achieve nanostructured materials with desired crystalline structure and physical properties.

Original languageEnglish (US)
Article number222501
JournalApplied Physics Letters
Volume96
Issue number22
DOIs
StatePublished - May 31 2010

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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