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The emission of the Auger electrons during the formation of the Mössbauer nucleus ^{57}Fe leads not only to the formation of multicharged ^{57}Fe^{n+} ion, but also to the appearance of the Auger blob, a cloud of several hundreds of ion-electron pairs (H_2O^{+}, e¯) in the solvent around the Fe ion. Fast radiation-chemical reactions therein determine the experimentally observable ratio of the yields of final chemically stable charged states of the Mössbauer ions (Fe^{3+} and Fe^{2+}). This ratio strongly depends on reaction rates constants between H_2O^{+}, e¯, and the solute S. We have shown that in contrast to radiation chemical data the reactivity of NO_{3}^{-} anions with quasi-free track electrons in frozen aqueous solutions exceeds those of H_{3}O^{+}, ClO_{4}^{-}, and HSO_{4}^{-} ions only by a factor of three instead of ≈ 100 which follows from the radiation chemical experiments.
Discipline
- 82.50.Kx: Processes caused by X-rays or γ-rays
- 82.80.Ej: X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods
- 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
Journal
Year
Volume
Issue
Pages
843-845
Physical description
Dates
published
2014-03
Contributors
author
- Institute for Theoretical and Experimental Physics, B. Cheremushkinskaya 25, Moscow, Russia
- National Research Nuclear University "MEPhI", Kashirskoye shosse 31, Moscow, 115409, Russia
author
- Lomonosov's Moscow State University, Chemical Department, Leninskie Gory, Moscow, Russia
author
- Institute for Theoretical and Experimental Physics, B. Cheremushkinskaya 25, Moscow, Russia
- Lomonosov's Moscow State University, Chemical Department, Leninskie Gory, Moscow, Russia
- D. Mendeleyev University of Chemical Technology of Russia, Miusskaya sq., 9, Moscow, Russia
author
- Lomonosov's Moscow State University, Chemical Department, Leninskie Gory, Moscow, Russia
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv125n342kz