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Resonant X-ray scattering studies of epitaxial complex oxide thin films

Journal of Applied Crystallography, ISSN: 0021-8898, Vol: 46, Issue: 1, Page: 76-87
2013
  • 7
    Citations
  • 0
    Usage
  • 14
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    7
    • Citation Indexes
      7
  • Captures
    14

Article Description

Resonant anomalous X-ray reflectivity (RAXR) is a powerful technique for measuring element-specific distribution profiles across surfaces and buried interfaces. Here, the RAXR technique is applied to characterize a complex oxide heterostructure, LaSrCoFe O, on NdGaO, and the effects of data sampling and model-dependent fitting procedures on the extracted elemental distribution profile are evaluated. The strontium profile through a 3.5 nm-thick film at 973 K and at an oxygen partial pressure of 150 Torr (1 Torr = 133.32 Pa) was determined from the measured RAXR spectra. The results demonstrate that in situ RAXR measurements can provide key insights into temperature- and environment-dependent elemental segregation processes, relevant, for example, in assessing the cathode performance of solid oxide fuel cells. © 2013 International Union of Crystallography.

Bibliographic Details

Edith Perret; Dillon D. Fong; Kee Chul Chang; Jeffrey A. Eastman; Peter M. Baldo; Paul H. Fuoss; Changyong Park; Brian J. Ingram

International Union of Crystallography (IUCr)

Biochemistry, Genetics and Molecular Biology

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