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2010 | 117 | 6 | 953-961
Article title

Secondary Radiation Field Effects for the CEM Spectra

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Abstracts
EN
The secondary resonant radiation field and resonant absorption thickness effects on the Conversion Electron Mössbauer Spectroscopy spectra are analyzed for highly enriched resonant targets. It is shown that secondary field effect is important for the thick α-Fe foil enriched in the resonant isotope. Even for the polycrystalline sample traces of the coherent resonant field have been detected as the distortion of lines. Secondary field is discussed in detail. Suitable approximations to treat spectra originating from targets with significant resonant thickness developing secondary field composed of the incoherent and coherent parts are introduced. Finally, the formalism is applied to the high quality spectrum recorded for the enriched iron foil and correlation between contribution due to the secondary field and experimental line shape is investigated.
Keywords
Contributors
  • Mössbauer Spectroscopy Division, Institute of Physics, Pedagogical University, Podchorążych 2, PL-30-084 Kraków, Poland
  • Mössbauer Spectroscopy Division, Institute of Physics, Pedagogical University, Podchorążych 2, PL-30-084 Kraków, Poland
author
  • Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. Mickiewicza 21, PL-30-059 Kraków, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv117n613kz
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