Local environment and vibrational characteristics of 119Sn(II) Mössbauer probe atoms located on the surface of Cr2O3 microcrystals
✍ Scribed by M.I. Afanasov; M. Danot; A.A. Ryabchikov; S. Maingaud; P.B. Fabritchnyi; J. Rouxel
- Book ID
- 114066629
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 471 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0025-5408
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Room-temperature exposure of tin-doped Cr 2 O 3 surfaces to HF induces in the 119 Sn MoK ssbauer spectra changes that depend on the valence state of the tin probe and show di4erences between the Sn(II)-and Sn(IV)-containing Cr 2 O 3 crystallite surfaces. In the Sn(II)-doped samples (Sn(II)/Cr 2 O 3
Appearance of a particular tin dopant ion distribution with respect to the surface of Cr 2 O 3 substrate after H 2 S adsorption and subsequent exposure of the sample to air at room temperature has been revealed using 119 Sn probe Mo¨ssbauer spectroscopy. The results obtained show that drastic change