Advanced analyses of 57Fe Mössbauer data of alumino-silicate glasses

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Stephanie Rossano
  • H. Behrens
  • M. Wilke

Research Organisations

External Research Organisations

  • Université Paris-Est Créteil Val-de-Marne (UPEC)
  • University of Potsdam
  • Helmholtz Centre Potsdam - German Research Centre for Geosciences (GFZ)
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Details

Original languageEnglish
Pages (from-to)77-93
Number of pages17
JournalPhysics and chemistry of minerals
Volume35
Issue number2
Publication statusPublished - 20 Nov 2007

Abstract

57Fe Mössbauer spectra of iron bearing alumino-silicate glasses are analysed by two complementary methods (SID and x-VBF) especially adapted for the analysis of disordered systems by taking into account distributions of hyperfine Mössbauer parameters. Qualitative and quantitative information about the oxidation state of iron are obtained as well as information about the distribution of local environments of iron. The possibility to separate the signal of ferric iron from that of ferrous iron allows to derive precise redox ratio in favourable cases but also to analyse more sharply the different contributions to Mössbauer spectra. Using two different glass series (feldspar composition, haplo-tonalitic composition), the characteristics of the two methods are described and employed to study the effect of composition, water incorporation and oxidation state on the glass structure. Optical absorption spectroscopy is used to support the interpretation of the Mössbauer spectra in case of the feldspar glasses.

Keywords

    Glass, Iron, Mössbauer, Oxidation state, Site distribution

ASJC Scopus subject areas

Cite this

Advanced analyses of 57Fe Mössbauer data of alumino-silicate glasses. / Rossano, Stephanie; Behrens, H.; Wilke, M.
In: Physics and chemistry of minerals, Vol. 35, No. 2, 20.11.2007, p. 77-93.

Research output: Contribution to journal › Article › Research › peer review

Rossano S, Behrens H, Wilke M. Advanced analyses of 57Fe Mössbauer data of alumino-silicate glasses. Physics and chemistry of minerals. 2007 Nov 20;35(2):77-93. doi: 10.1007/s00269-007-0200-8
Rossano, Stephanie ; Behrens, H. ; Wilke, M. / Advanced analyses of 57Fe Mössbauer data of alumino-silicate glasses. In: Physics and chemistry of minerals. 2007 ; Vol. 35, No. 2. pp. 77-93.
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