Listar por autor "Canales-Vázquez, J."
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Effect of preparation conditions on the polymorphism and transport properties of lanthanum molybdates
Porras-Vázquez, José Manuel
; López Vergara, Adrián; Infantes-Molina, Antonia; Canales-Vázquez, J.; Cabeza-Díaz, Aurelio; Losilla, Enrique R.; Marrero-López, David[et al.] (2017-10-24)
In this work, La6MoO12-based compounds were investigated as part of a new family of materials very competitive as hydrogen separation membranes [1,2]. La5.4MoO11.1 was synthesized by the freeze-drying precursor method and ... -
Impact of the lanthanide size on the polymorphism and electrical properties of Ln5.4MoO11.1 (Ln = Nd, Sm and Gd)
Rubio-Vives, Rafael; Porras-Vázquez, José Manuel; Dos-Santos-Gómez, Lucía; Zamudio-García, Javier; Infantes-Molina, Antonia; Canales-Vázquez, J.; Marrero-López, David; Ramírez-Losilla, Enrique[et al.] (Elsevier, 2023)
Mixed proton-electronic conductors are of great interest for high temperature electrochemical devices, such as hydrogen separation membranes. In this contribution, ceramics with composition Ln5.4MoO11.1 (Ln = Nd, Sm and ... -
Influence of Nb-doping on the structural and electrical properties of lanthanum molybdates, La5.4MoO11.1
López Vergara, Adrián; Porras-Vázquez, José Manuel; Vollestad, Einar; Canales-Vázquez, J.; Ramírez-Losilla, Enrique; Marrero-López, David[et al.] (2018-06-28)
Nowadays, hydrogen is receiving a great deal of attention as an energy carrier. Commonly, it is obtained by hydrocarbons reforming, such as natural gas, coal and biomass. However, the resulting hydrogen needs to be purified ... -
Metal-Doping of La5.4MoO11.1 Proton Conductors: Impact on the Structure and Electrical Properties.
López Vergara, Adrián; Porras-Vázquez, José Manuel; Vøllestad, Einar; Canales-Vázquez, J.; Ramírez-Losilla, Enrique; Marrero-López, David[et al.] (American Chemical Society, 2018-10-03)
La5.4MoO11.1 proton conductors with different metal doping (Ca2+, Sr2+, Ba2+, Ti4+, Zr4+, and Nb5+) have been prepared and structurally and electrically characterized. Different polymorphs are stabilized depending on ... -
Relationship between the Structure and Transport Properties in the Ce1−xLaxO2−x/2 System
Zamudio-García, Javier; Porras-Vázquez, José Manuel; Canales-Vázquez, J.; Cabeza-Díaz, Aurelio; Losilla, Enrique R.; Marrero-López, David[et al.] (American Chemical Society, 2019-06-25)
La-doped CeO2 materials have been widely investigated for potential applications in different high-temperature electrochemical devices, such as fuel cells and ceramic membranes for hydrogen production. However, the crystal ... -
Structure and Mixed Proton–Electronic Conductivity in Pr and Nb-Substituted La5.4MoO12−δ Ceramics.
Sánchez Caballero, Abraham; Porras-Vázquez, José Manuel; dos Santos-Gómez, Lucía; Zamudio-García, Javier; Infantes-Molina, Antonia; Canales-Vázquez, J.; Ramírez-Losilla, Enrique; Marrero-López, David[et al.] (MDPI, 2025-01-24)
Lanthanide molybdates are materials known for their mixed proton–ionic conductivity. This study investigates the effects of Pr content and Nb-doping on the crystal structure and electrical properties of the La5.4−xPrxM ... -
Synergic Effect of Metal and Fluorine Doping on the Structural and Electrical Properties of La5.4MoO11.1-Based Materials.
López Vergara, Adrián; Bergillos-Ruíz, Marta; Zamudio-García, Javier; Porras-Vázquez, José Manuel; Canales-Vázquez, J.; Marrero-López, David; Ramírez-Losilla, Enrique[et al.] (American Chemical Society, 2020-01-07)
Cationic and anionic frameworks of La5.4MoO11.1 proton conductors have been modified by means of metal (Ti4+, Zr4+, and Nb5+) and fluorine (F−) doping. This synergic effect leads to the stabilization of highsymmetry and ... -
Unravelling Crystal Superstructures and Transformations in the La6−xMoO12−δ (0.6 ≤ x ≤ 3.0) Series: A System with Tailored Ionic/ Electronic Conductivity.
López Vergara, Adrián; Vizcaíno-Anaya, Lucía; Porras-Vázquez, José Manuel; Baldinozzi, Gianguido; Dos-Santos-Gómez, Lucía; Canales-Vázquez, J.; Marrero-López, David; Ramírez-Losilla, Enrique[et al.] (American Chemical Society, 2020-08-03)
Crystalline La6−xMoO12−δ materials with different lanthanum/molybdenum ratios (0.6 ≤ x ≤ 3.0) have been prepared via a freeze-drying precursor route. The influence of the lanthanum content, sintering temperature, and ...