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

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autorschaft

  • Stephanie Rossano
  • H. Behrens
  • M. Wilke

Organisationseinheiten

Externe Organisationen

  • Université Paris-Est Créteil Val-de-Marne (UPEC)
  • Universität Potsdam
  • Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum (GFZ)
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Seiten (von - bis)77-93
Seitenumfang17
FachzeitschriftPhysics and chemistry of minerals
Jahrgang35
Ausgabenummer2
PublikationsstatusVeröffentlicht - 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.

ASJC Scopus Sachgebiete

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Advanced analyses of 57Fe Mössbauer data of alumino-silicate glasses. / Rossano, Stephanie; Behrens, H.; Wilke, M.
in: Physics and chemistry of minerals, Jahrgang 35, Nr. 2, 20.11.2007, S. 77-93.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › 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 ; Jahrgang 35, Nr. 2. S. 77-93.
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