Browsing Artículos-Grupo de investigación IMaCris / MaKrisI by Author "Larrañaga Varga, Aitor"
Now showing items 1-6 of 6
-
Characterization of Ln4Al2O9 (Ln=Y, Sm, Eu, Gd, Tb) rare-earth aluminates as new high-temperature barriers
Morán Ruiz, Aroa; Vidal García, Karmele; Larrañaga Varga, Aitor; Arriortua Marcaida, María Isabel (Elsevier, 2018-06-01)A family of cuspidine-type rare-earth (RE) aluminates with the general formula Ln4Al2O9 (Ln= Y, Sm, Eu, Gd, Tb) was prepared for potential use as thermal-barrier coating (TBC) materials with appropriate properties. Various ... -
Combustion synthesis and characterization of Ln1−xMxCr0.9Ni0.1O3 (Ln = La and/or Nd; M = Sr and/or Ca; x ≤ 0.25) perovskites for SOFCs anodes
Ortega-San-Martín, Luis; Morán Ruiz, Aroa; Wain Martin, Aritza ; Vidal García, Karmele; Larrañaga Varga, Aitor; Laguna-Bercero, Miguel Angel; Arriortua Marcaida, María Isabel (Elsevier, 2018-02-01)A series of chromite perovskites with the general formula Ln1−xMxCr0.9Ni0.1O3 (Ln = La and/or Nd; M = Sr and/or Ca; x ≤ 0.25) has been prepared by three combustion synthesis routes using a different combustible substance ... -
Designing multifunctional pigments for an improved energy efficiency in buildings
Aranzabe Basterrechea, Estíbaliz; Arriortua Marcaida, María Isabel ; Larrañaga Varga, Aitor; Aranzabe, Ana; Villasante, Pedro María; March, Ricard (Elsevier, 2017-07-15)Materials science offers solutions that when are combined can offer important energy savings in the building sector. In this study, high reflectance coating and thermal storage capacity are combined with the aim of improving ... -
Effect of the synthesis conditions on the properties of La0.15Sm0.35Sr0.08Ba0.42FeO3-a cathode material for SOFCs
Vidal García, Karmele; Larrañaga Varga, Aitor; Morán Ruiz, Aroa; Laguna-Bercero, Miguel Angel; Baker, Richard T.; Arriortua Marcaida, María Isabel (2017-09-13)The perovskite La0.15Sm0.35Sr0.08Ba0.42FeO3-a has been prepared by the glycine nitrate (GNC) route, varying the fuel/oxidizer ratio (glycine/nitrate, G/N= 1 and 2) and cooling rate (slow cooling and air-quenched), in order ... -
Effects of synthetic conditions on the structural, stability and ion conducting properties of Li0.30(La0.50Ln0.50)0.567TiO3 (Ln= La, Pr, Nd) solid electrolytes for rechargeable lithium batteries
Vidal García, Karmele; Ortega San Martín, Luis; Larrañaga Varga, Aitor; Merino Rubio, Rosa Isabel; Orera Utrilla, Alodia; Arriortua Marcaida, María Isabel (Elsevier Ltd and Techna Group S.r., 2014-02-03)The structure, thermal stability, morphology and ion conductivity of titanium perovskites with the general formula Li3xLn2/3−xTiO3 (Ln = rare earth element; 3x= 0.30) are studied in the context of their possible use as ... -
Scalable synthetic method for SOFC compounds
Wain Martin, Aritza ; Morán Ruiz, Aroa; Vidal García, Karmele; Larrañaga Varga, Aitor; Laguna-Bercero, Miguel Angel; Arriortua Marcaida, María Isabel (Elsevier, 2017-09-08)Although economically competitive SOFC systems seems to be ready for commercialization, a broad inventory of key starting materials and fabrication processes are needed to enhance systems and reduce costs. These ...