119Sn Mössbauer study of as-deposited layers prepared by co-evaporation of TeO2 and Sn

E. Kuzmann, K. Nomura, I. Podolesheva, P. Gushterova, Z. Homonnay, A. Vértes

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Abstract

The deposited layers on glass surface with thickness between 230 and 500 nm were prepared by the chemical reactions of TeO2 and Sn during vacuum co-deposition, and were characterized as a function of the Sn/Te ratio between 0.5 and 2.8 by 119Sn conversion electron Mössbauer spectroscopy. The as-deposited samples showed amorphous character with very finely dispersed microstructure. The 119Sn Mössbauer spectra of as-deposited samples revealed the dominance of Sn(II) and Sn(IV) states although SnTe was also found when the Sn/Te ratio was high. A monotonous increase of the Sn(II)/Sn(IV) ratio was observed with increasing Sn/Te ratio.

Original languageEnglish
Pages (from-to)251-257
Number of pages7
JournalHyperfine Interactions
Volume139-140
Issue number1-4
DOIs
Publication statusPublished - Dec 1 2002

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Keywords

  • CEMS
  • Sn Mössbauer spectroscopy
  • Te and Sn oxide films

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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