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  • Butorin, S.MMittuniversitetet (author)

Tunable excitation x-ray-fluorescence spectroscopy in phase-analysis of high-Tc superconductors

  • Article/chapterEnglish1994

Publisher, publication year, extent ...

  • 1994
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:miun-1567
  • https://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-1567URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • O Kalpha x-ray fluorescence of YBa2Cu3O7-delta and Sr0.85Nd0.15CuO2 samples containing CO3(2-) impurities, as well as pure BaCO3, have been studied using tunable monochromatic synchrotron radiation excitation. When the excitation energy is set to the most intense features in the O 1s absorption edge of cuprates and to bound states above this edge the O Kalpha spectra recorded are very similar to those of pure BaCO3 even if the admixture of CO3(2-) is small. The observed changes in the O Kalpha profiles of multi-phase YBa2Cu3O7-delta and Sr0.85Nd0.15CuO2 samples are discussed in terms of different x-ray absorption cross sections for O in the main phase and in the CO3(2-) fraction.

Subject headings and genre

  • ELECTRONIC-STRUCTURE
  • GRAIN-BOUNDARY
  • YBA2CU3O7-DELTA
  • EDGE
  • NATURAL SCIENCES
  • NATURVETENSKAP

Added entries (persons, corporate bodies, meetings, titles ...)

  • Guo, J.H. (author)
  • Wassdahl, N (author)
  • Bray, G (author)
  • Glans, Peter (author)
  • Wiell, T (author)
  • Duda, L.C. (author)
  • Nordgren, J (author)
  • Lundström, T (author)
  • Klauda, M (author)
  • Markl, J (author)
  • Fink, C (author)
  • Saemannischenko, G (author)
  • Mittuniversitetet (creator_code:org_t)

Related titles

  • In:Journal of physics-condensed matter6:43, s. 9267-92740953-8984

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