Search Results - "Frechero, M.A."

Ionic conductivity enhancement achieved by the incorporation of ZnO in a lithium tellurite glass by di Prátula, P.E., Terny, S., Sola, M.E., Frechero, M.A.

“…The reinforcement of the ionic conductivity in a lithium-vanadium-molybdenum tellurite glass is possible by modified with zinc oxide {0.7 [x ZnO (1−x) Li2O]…”
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Evidence of active regions for ion transport in lithium silicate glasses using the isoconfigurational ensemble by Montani, R.A., Balbuena, C., Frechero, M.A.

“…In the context of the ionic transport in glasses, the concept of conduction “channels” (or pathways) has proved to be useful to rationalize both experimental…”
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Enthalpy relaxation of the glassy matrix in vanadium–molybdenum–tellurite oxide glasses by Cardillo, E.C., Terny, S., Frechero, M.A.

“…•Enthalpy relaxation of tellurite glassy matrix related to the modifier oxides.•Influence of the size and the electronic configuration of the modifier…”
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Dynamical characterization of active regions environments for ion dynamics in Lithium metasilicate glasses by Balbuena, C., Frechero, M.A., Montani, R.A.

“…Surprisingly, there is not a complete and general working theory for the ionic conduction on structurally disordered inorganic solids at present. In this…”
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Mobile ions site identification through the isoconfigurational ensemble to reveal the ion dynamics diversity in a glass by Balbuena, C., Frechero, M.A.

“…[Display omitted] When applying the Molecular Dynamics (MD) formalism to the short-time dynamics on a paradigmatic lithium metasilicate glass system, it…”
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On the way to understand the keys for the stabilization of the conductive phase in doped- NASICON-type materials by Terny, S., López, C., Narda, G., Frechero, M.A.

“…A family of doped-NASICON-type structures according to the chemical compositions: Li1.2 Zr1.9M0.1(PO4)3 [with M = Ca2+, Mg2+, Zn2+]; Li1.1 Zr1.9Y0.1(PO4)3 and…”
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Bridging oxygens, the key to the electrical behaviour improvement of an ionic liquid - glass composite by Terny, S., Cardillo, E., Barolin, S., Frechero, M.A.

“…The interactions between the [BMIM][PF6] -ionic liquid- and a phosphate glassy surface is studied through calorimetric, structural and impedance spectroscopy…”
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Understanding how the mixed alkaline-earth effect tunes transition metal oxides-tellurite glasses properties by Terny, S., Frechero, M.A.

“…Mixed alkaline-earth effect (MAEE) on the transition metal oxides (TMO)-tellurite glasses [TMO = MoO3, Nb2O5 and WO3] modified with BaO/MgO mix is analyzed to…”
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Importance of finding the proper ratio of alkaline earth oxide in a lithium-bismuthate-phosphate glass in order to enhance the tailoring of structural and electrical properties by Cardillo, E.C., Terny, S., López, C., Narda, G., Frechero, M.A.

“…Structural features of the glass family xLi2O- yMgO (4.8 Bi2O3 47.6 P2O5) obtained by melt quenching technique were studied taking into account the density,…”
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Is ergodicity in an oxide glass ionic conductor a matter of time? by Balbuena, C., Montani, R., Frechero, M.A.

“…From the results of molecular dynamic simulations of lithium metasilicate glass–at temperatures above and below their transition temperature (Tg)–we propose a…”
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Structural study of functional hierarchical porous carbon synthesized from metal-organic framework template by Reinoso, D.M., Diaz, U., Frechero, M.A.

“…In this work, nitrogen-doped hierarchical porous carbon (NPC) was obtained from an effective and facile synthesis route based on metal-organic framework…”
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Sol-gel synthesis and electrical characterization of doped-carbon decorated mixed conductor ceramics by Terny, S., Vega-Castillo, J., de la Rubia, M.A., de Frutos, J., Frechero, M.A.

“…•New doped compositions: Li3V2−x [Cu]x (PO4)3/CNF and Li3V2−x [Nb]x(PO4)3/CNF.•Sol-gel method + Citric or Oxalic acids as a primary carbon source.•Carbon Black…”
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Structure and orientation of water molecules at model hydrophobic surfaces with curvature: From graphene sheets to carbon nanotubes and fullerenes by Alarcón, L.M., Malaspina, D.C., Schulz, E.P., Frechero, M.A., Appignanesi, G.A.

“…We study the structure and orientation of water molecules at model hydrophobic surfaces focusing on the role of curvature and its extensive or non-extensive…”
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A new transition metal-tellurite glass family: Electrical and structural properties by Terny, S., De la Rubia, M.A., De Frutos, J., Frechero, M.A.

“…Glasses of composition 0.8 [xBaO.(1−x)MgO]. 0.2TM.2TeO2 with TM: MoO3, WO3, V2O5 or Nb2O5 (x=mol content) were obtained by the melt quenching technique. Raman…”
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Dielectric relaxation of vanadium–molybdenum tellurite glasses modified by alkaline-earth oxides by Terny, S., di Prátula, P.E., De Frutos, J., Frechero, M.A.

“…Electrical response changes due to the incorporation of alkaline-earth oxides in the vanadium–molybdenum tellurite glassy matrix have been studied. The results…”
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Evidence of active regions for ion transport in lithium silicate glasses using the isoconfigurational ensemble. Part II by Balbuena, C, Frechero, M A, Montani, R A

“…In the context of the ionic transport in glasses, the concept of conduction channels (or pathways) has proved to be useful to rationalize both experimental and…”
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Structure and electrical behavior relationship of a magnesium–tellurite glass using Raman and impedance spectroscopy by Terny, S., De la Rubia, M.A., Alonso, R.E., de Frutos, J., Frechero, M.A.

“…In this paper we present the study of the glassy systems of formula: xMgO(1−x)(0.5V2O5·0.5MoO3)2TeO2, with (0<x<1). The aim of the work is to understand the…”
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Channel diffusion in a lithium–potassium metasilicate glass using the isoconfigurational ensemble: Towards a scenario for the mixed alkali effect by Balbuena, C., Frechero, M.A., Montani, R.A.

“…Performing Molecular Dynamic simulations and using the isoconfigurational ensemble method, we studied the effect of the potassium cation replacing the half…”
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Electrical response of bivalent modifier cations into a vanadium–tellurite glassy matrix by Terny, C.S., Cardillo, E.C., diPrátula, P.E., Villar, M.A., Frechero, M.A.

“…In this work, we suggest an explanation of the electrical conductivity behavior of tellurite glassy systems modified with barium when transition metal oxides…”
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Oxygen ion dynamics in pyrochlore-type ionic conductors: Effects of structure and ion–ion cooperativity by Frechero, M.A., Durá, O.J., Díaz-Guillén, M.R., Moreno, K.J., Díaz-Guillén, J.A., García-Barriocanal, J., Rivera-Calzada, A., Fuentes, A.F., León, C.

“…We summarize recent studies of oxide ion dynamics in ionically conducting defect pyrochlores of general formulae Ln2Ti2−yZryO7. Unit cell volume, structural…”
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