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http://acervodigital.unesp.br/handle/11449/35829
- Title:
- Structural studies on TeO2-PbO glasses
- Universidade Estadual Paulista (UNESP)
- Univ Rennes 1
- Univ Paris 06
- Univ Paris 11
- 0022-3697
- Binary tellurite-based glasses in the TeO2-PbO system were prepared and its structure investigated by means of Raman Scattering and X-ray Absorption Spectroscopy. Both spectroscopies indicate strong modifications of the first coordination shell around tellurium atoms when the PbO content increases revealing for lead its glassy network modifier role. Also, Pb L-3-edge EXAFS measurements reveal this structural role played by lead atoms, but the presence of a medium range order contribution indicates that lead also participates to the glassy network formation. (C) 2001 Elsevier B.V. Ltd. All rights reserved.
- 1-Jun-2001
- Journal of Physics and Chemistry of Solids. Oxford: Pergamon-Elsevier B.V., v. 62, n. 6, p. 1055-1060, 2001.
- 1055-1060
- Elsevier B.V.
- tellurite glasses
- glass structure
- exats
- Raman
- http://dx.doi.org/10.1016/S0022-3697(00)00278-X
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/35829
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