Hyperfine Interactions

, Volume 70, Issue 1–4, pp 1241–1244 | Cite as

Chemical states of57Fe-atoms after ec-decay of57Co-labelled Co(BrO3)2·6H2O studied by coincidence Mössbauer spectroscopy

  • M. Nakada
  • K. Tamegaya
  • H. Nakahara
  • K. Endo
After Effects of Nuclear Transformation


Two kinds of time differential Mössbauer spectra of57Co-labelled Co(BrO3)2·6H2O were measured at room temperature by delayed coincidence technique, i.e., one was the delayed coincidence between 122 keV γ ray and 14.4 keV γ ray (γ, γ-ray coincidence), and another was the coincidence between 6.3 keV KX ray and 14.4 keV γ ray (X, γ-ray coincidence). The time dependence of chemical states of57Fe-species were observed on γ, γ-ray and X, γ-ray coincidence Mössbauer spectra. The relative area intensities of57Fe(II) observed on the X, γ-ray coincidence spectra were larger than those on the γ, γ-ray coincidence spectra on every time windows.


Spectroscopy Thin Film Time Window Time Dependence Chemical State 
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Copyright information

© J.C. Baltzer A.G., Scientific Publishing Company 1992

Authors and Affiliations

  • M. Nakada
    • 1
  • K. Tamegaya
    • 2
  • H. Nakahara
    • 2
  • K. Endo
    • 3
  1. 1.Department of ChemistryJapan Atomic Energy Research InstituteTokai, IbarakiJapan
  2. 2.Department of Chemistry, Faculty of ScienceTokyo Metropolitan UniversityHachiooji-shi, TokyoJapan
  3. 3.Showa College of Pharmaceutical SciencesHigashi-TamagawagakuenMachida-shi, TokyoJapan

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