English, Article edition: THE STRUCTURE AND TRANSPORT PROPERTIES OF La0.9Sr0.1MnO3 Z. LUO; J. GAO

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Physical Description
  • article
Language
  • English

Edition details

Title
  • THE STRUCTURE AND TRANSPORT PROPERTIES OF La0.9Sr0.1MnO3
Author
  • Z. LUO
  • J. GAO
Physical Description
  • article
Notes
  • Thin films of La0.9Sr0.1MnO3 (LSMO) were grown on SrTiO3 substrate by pulsed laser deposition technique at different temperatures and with various oxygen partial pressures. X-ray diffraction spectra confirmed that the grown films are of single phase. The influence of oxygen deficiency on the structure of these grown films has been studied. X-ray diffraction data suggested that higher oxygen content generally results in smaller out-of- plane lattice parameters and annealing in oxygen may further decrease the lattice parameters. The 2-θ value increases with oxygen pressure. Typically, the oxygen-deficient films behave like semiconductors. For films grown at the same temperature, the conductivity is enhanced if the oxygen content is increased. Those films grown in 1 mbar oxygen partial pressure show an upturn at low temperature. Resistivity is dominated by the hopping of adiabatic small polarons at high temperature.
  • Thin film, CMR, La0.9Sr0.1MnO3
  • RePEc:wsi:srlxxx:v:14:y:2007:i:04:p:813-816
Language
  • English
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