Reentrant effect on the transport properties of la0.7Sr 0.3MnO3 films

S. Y. Yang, W. L. Kuang, Yung Liou, W. S. Tse, S. F. Lee, Y. D. Yao

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this work, the transport properties of polycrystalline manganite La 0.7Sr0.3MnO3 (LSMO) films were investigated. The LSMO was grown on MgO(001) and SiO2/Si(001) substrates by using a magnetron dc sputtering technique to obtain polycrystalline films. It was found that the variation in the resistance with the temperature was dominated by the spin fluctuation around the magnetic domain walls. In addition, the reentrant spin glass gave rise to the upturn resistance of the polycrystalline LSMO films at low temperatures. The spin fluctuation and the reentrant effect also led to the significant magnetoresistance occurring in the LSMO films, which is larger than the colossal magnetoresistance of the LSMO film by one order of magnitude.

Original languageEnglish
Pages (from-to)5754-5756
Number of pages3
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume45
Issue number7
DOIs
Publication statusPublished - 2006 Jul 7

Keywords

  • Grain boundary
  • Magnetoresistance
  • Manganite
  • Polycrystalline
  • Reentrant effect
  • Thin film

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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