dc.creator | Frechero, Marisa Alejandra | |
dc.creator | Quinzani, Oscar Valentín | |
dc.creator | Pettigrosso, Rosa Susana | |
dc.creator | Villar, Marcelo Armando | |
dc.creator | Montani, Ruben Alfredo | |
dc.date.accessioned | 2019-07-05T17:21:59Z | |
dc.date.accessioned | 2022-10-15T06:01:42Z | |
dc.date.available | 2019-07-05T17:21:59Z | |
dc.date.available | 2022-10-15T06:01:42Z | |
dc.date.created | 2019-07-05T17:21:59Z | |
dc.date.issued | 2007-10 | |
dc.identifier | Frechero, Marisa Alejandra; Quinzani, Oscar Valentín; Pettigrosso, Rosa Susana; Villar, Marcelo Armando; Montani, Ruben Alfredo; IR absorption spectra of lithium and silver vanadium-tellurite based glasses; Elsevier Science; Journal of Non-crystalline Solids; 353; 30-31; 10-2007; 2919-2925 | |
dc.identifier | 0022-3093 | |
dc.identifier | http://hdl.handle.net/11336/79258 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4352895 | |
dc.description.abstract | The aim of the present paper is to give structural information in order to set a correlation between the electrical conductivity behavior and structures of lithium and silver vanadium-tellurite based glasses. We report our structural studies and compare the effect of the nature of the metallic cation on glasses of the form XM2O · (1 - X)V2O5 · 2TeO2 (where 0 ≤ X < 1 and M = Li or Ag). Fourier transform infra-red (FTIR) spectra were recorded for all compositions and complementary differential scanning calorimetry (DSC) measurements and X-ray diffraction (XRD) measurements were also carried out. This paper should be considered as complementary to a previous article reporting the conductive behavior of theses glasses. In the latter we reported the obtained results on electrical conductivity studies. The results confirm the existence of a transition from a typically electronic (polaronic) conductive regimen when the molar fraction (X) of M2O is equal to 0, to an ionic conductive regimen when X tends to 1. The evidence for the independent migration path for both electrons and ions was put into evidence by studying the electrical conductivity behavior in a complementary system of the form X M2O · (1 - X)[0.5V2O5-0.5MoO3] · 2TeO2. In this system vanadium was partially replaced by molybdenum which acts as a 'diluting' agent of the active centers involved in the electronic transport. | |
dc.language | eng | |
dc.publisher | Elsevier Science | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0022309307006692 | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.jnoncrysol.2007.06.032 | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/restrictedAccess | |
dc.subject | CALORIMETRY | |
dc.subject | CONDUCTIVITY | |
dc.subject | FTIR MEASUREMENTS | |
dc.subject | TELLURITES | |
dc.subject | X-RAY DIFFRACTION | |
dc.title | IR absorption spectra of lithium and silver vanadium-tellurite based glasses | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |