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Hyperfine Interactions

, 240:125 | Cite as

57Fe conversion electron Mössbauer study on tin oxide films doped with dilute two metal ions

  • Akio NakanishiEmail author
  • Kiyoshi NomuraEmail author
  • Yutaka Mera
  • Yuya Koike
Article
  • 18 Downloads
Part of the following topical collections:
  1. Proceedings of the International Conference on Hyperfine Interactions and their Applications (HYPERFINE 2019), Goa, India, 10-15 February 2019

Abstract

Tin dioxide (SnO2) films codoped with 1% mole ratio of (Co, Fe) ions, (Cu, Fe) ions, and (Ti, Fe) ions were prepared on SnO2 (1% Sb) thin film on glass by a spray pyrolysis. Fe species included in these films were characterized by 57Fe conversion electron Mössbauer (CEM) spectra measured at room temperature (RT) and low temperatures (50 K and 16 K). Three paramagnetic Fe3+ species were observed in RT CEM spectra of two metal ions codoped SnO2 films. The broad magnetic sextet was observed in 16 K CEM spectra of (Co, Fe) codoped SnO2 and (Cu, Fe) codoped SnO2 films, but not even at low temperature for (Ti, Fe) codoped SnO2 film. The relationship between isomer shift and quadrupole splitting were shown and compared with the results of ab initio calculations based on the configuration models of metal ions and oxygen defects.

Keywords

57Fe conversion electron Mössbauer spectrometry Spray pyrolysis Metal doped tin dioxide thin film Diluted magnetism 

Notes

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Shiga University of Medical ScienceOtsuJapan
  2. 2.Tokyo Metropolitan UniversityHatiouji, TokyoJapan
  3. 3.Meiji UniversityKawasakiJapan

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