Mössbauer, Nuclear Forward Scattering, and Raman Spectroscopic Approaches in the Investigation of Bioinduced Transformations of Mixed-Valence Antimony Oxide

Nataliya Chistyakova, Angelina Antonova*, Ivan Elizarov, Pavel Fabritchnyi, Mikhail Afanasov, Mikhail Korolenko, Maria Gracheva, Diana Pchelina, Ilya Sergueev, Olaf Leupold, René Steinbrügge, Sergey Gavrilov, Ilya Kublanov, Vyacheslav Rusakov

*Corresponding author for this work

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6 Scopus citations

Abstract

Mössbauer spectroscopy, nuclear forward scattering, and Raman spectroscopy were applied to study redox transformations of the synthesized mixed-valence (III/V) antimony oxide. The transformations were induced by a culture of a hyperthermophilic archaeon of the genus Pyrobaculum. The applied methods allowed us to reveal the minor decrease of ca. 11.0 ± 1.2% of the antimony(V) content of the mixed-valence oxide with the concomitant increase of antimony(III). The method sensitivities for the quantitative assessment of the Sb(III/V) ratio have been considered.

Original languageEnglish
Pages (from-to)139-145
Number of pages7
JournalJournal of Physical Chemistry A
Volume125
Issue number1
DOIs
StatePublished - 14 Jan 2021
Externally publishedYes

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