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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/68557
Title: 
Densification of Mn-doped tin oxide films by conventional heating and microwave heating treatment
Author(s): 
Institution: 
  • Universidade Estadual Paulista (UNESP)
  • Université de Bourgogne
  • Université Paris-Sud
ISSN: 
0281-1847
Abstract: 
Mn(II) doped SnO2 thin films used for shielding fluoride glasses against corrosion were investigated by x-ray absorption spectroscopy (EXAFS and XANE)S at the Sn and Mn K-edges. The effect of firing treatment on the densification of the films was studied. It has been evidenced a partial change of Mn valence from 2.3 to 2.6 upon heating which is attributed to a change of ratios of two Mn sites: grafted divalent Mn ions at the surface of SnO 2 nanocrystallites and trivalent Mn ions embedded into a substitutional solid solution with Sn. © Physica Scripta 2005.
Issue Date: 
1-Dec-2005
Citation: 
Physica Scripta T, v. T115, p. 291-293.
Time Duration: 
291-293
Keywords: 
  • Densification
  • Extended X ray absorption fine structure spectroscopy
  • Manganese
  • Microwave heating
  • Tin dioxide
  • Fluoride glasses
  • Tin oxide films
  • Oxide films
Source: 
http://dx.doi.org/10.1238/Physica.Topical.115a00291
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/68557
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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