2007
DOI: 10.1016/j.jnoncrysol.2007.06.032
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IR absorption spectra of lithium and silver vanadium–tellurite based glasses

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Cited by 30 publications
(23 citation statements)
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“…Under the light of these facts we can consider that lithium cations tend to make a stronger blocking effect at the sites for the silver conductivity because their sites are quite different. This effect is very different on the other extreme of the system because the silver oxide makes another kind of modification on the glassy matrix [3] and lithium cations seem to be able to migrate through the sites created by silver oxide.…”
Section: Discussionmentioning
confidence: 98%
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“…Under the light of these facts we can consider that lithium cations tend to make a stronger blocking effect at the sites for the silver conductivity because their sites are quite different. This effect is very different on the other extreme of the system because the silver oxide makes another kind of modification on the glassy matrix [3] and lithium cations seem to be able to migrate through the sites created by silver oxide.…”
Section: Discussionmentioning
confidence: 98%
“…The samples were prepared by a standard melt quenching technique from initial mixtures of properly quantity of components (quality 99.99%, TeO 2 , V 2 O 5 , MoO 3 , Ag 2 O and Li 2 CO 3 ) as we detailed in our previous papers [1][2][3][4][5]. The amorphous character of the resulting solids was tested by X-ray diffraction analysis and confirmed by the Differential Scanning Calorimetry (DSC).…”
Section: Methodsmentioning
confidence: 99%
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“…Durante los últimos 10 años nuestro grupo de investigación en Bahía Blanca (Bs.As -Argentina) de ha dado a la tarea de estudiar a fondo las características estructurales y eléctricas de sistemas vítreos can base en TeO2 así como lo muestran sus numerosas publicaciones [32][33][34][35][36][37][38][39]. La matriz de referencia en la mayoría de los casos fue MoO3-V2O5-TeO2, siendo la misma modificada con diversos cationes monovalentes como por ejemplo: Li2O, Ag2O, Na2O, etc.…”
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“…El espectro se deconvolucionó con curvas de Gauss en el rango de 400-1000 cm -1 obteniendo 7 bandas, donde en la mayoría pertenecen a los modos de vibración de las unidades de TeO2. Cabe destacar, que esta matriz vítrea ya ha sido estudiada por Frechero et al [64] y por lo tanto a lo largo del estudio se van a encontrar muchas similitudes con dicho trabajo. Las bandas se resumen a continuación:  El pico A se ubica alrededor de 455 cm -1 .…”
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