Results 41 to 50 of about 89 (67)

Síntesis de nuevos pigmentos cerámicos de color rojo mediante el método de Pechini

Boletín de la Sociedad Española de Cerámica y Vidrio, 2000
Various garnet solid solutions within the structure of the yttrium aluminium garnet, Y3Al5O12 (YAG) were sinthesized via Pechini and the possibility for the modification of the crystal field intensity acting on the chromophore Cr(III) ion by means of ...
Pavlov, R., Blasco, V., Cordoncillo, E., Escribano, P., Carda, J. B.   +4 more
doaj  

Influência do oxalato de amônio na formação do precursor columbita obtido pelo método Pechini

Cerâmica, 1999
A rota da columbita para síntese do PMN (Pb3MgNb2O9) é um processo que permite reduzir significativamente a formação de fases secundárias. O método Pechini, utilizado na síntese da columbita, permite perfeita homogeneidade química e maior reatividade dos
Cavalheiro A. A., Zaghete M. A., Varela J. A.   +2 more
doaj  

Uso de métodos químicos para obtener polvos cerámicos del sistema (Sn, Ti)O₂

Boletín de la Sociedad Española de Cerámica y Vidrio, 2005
The (Sn,Ti)O2 system has a great interest due to its technological applications such as gas sensor and varistor. Although the thermodynamic properties and the kinetics of spinoidal decomposition in this system have been extensively studied, the general ...
Rodríguez-Páez, J E., Varela, J. A., Ararat, C.   +2 more
doaj  

Developing ABO3 perovskites synthesized by the Pechini method for their potential application as cathode material in solid oxide fuel cells: Structural and electrical properties

Boletín de la Sociedad Española de Cerámica y Vidrio
In this research, the effect of La substitution by Pr cation in the A-site of ABO3 perovskites was carried out using the Pechini method for use in solid state fuel cells (SOFCs).
Miguel Antonio Domínguez-Crespo, Aidé Minerva Torres-Huerta, Silvia Beatriz Brachetti-Sibaja, Adela Eugenia Rodríguez-Salazar, Francisco Gutiérrez-Galicia, Esther Ramírez-Meneses, Ángela Iveth Licona-Aguilar   +6 more
doaj   +1 more source

Filmes finos de Titanato de Chumbo e Lantânio - PLT: influência do pH

Cerâmica, 2000
Filmes finos de PbTiO3 dopados com 27% de lantânio, depositados em substratros MgO (100), foram preparados pelo método dos precursores poliméricos (Pechini).
Rangel J. H. G., Pontes F. M. L., Leite E. R., Varela J. A.   +3 more
doaj  

Síntesis, sinterización y propiedades eléctricas de soluciones sólidas YNi_xMn_1-xO₃ preparadas a partir de Precursores Poliméricos

Boletín de la Sociedad Española de Cerámica y Vidrio, 2001
The solid solutions YNixMn1-xO3 are semiconducting materials which show perovskite-like structure, ortorrombic symmetry, and spatial group Pbnm. Their electrical and magnetic properties are typical of materials with potential applications in sensor ...
Moure, C., Durán, P., Tartaj, J., Gutiérrez, D.   +3 more
doaj  

Propiedades magnéticas y espectroscopia mössbauer en compuestos perovskita doble Sr₂(Fe_1-xSc_x)ReO₆ (x = 0.05, 0.1)

Boletín de la Sociedad Española de Cerámica y Vidrio, 2003
We have synthesised by the modified Pechini method the following polycrystalline double perovskite samples: Sr2Fe1- xScxReO6 (x = 0.05, 0.1). They have been characterised by X-ray, magnetic measurements and Mössbauer spectrometry.
Plazaola, F., Barandiaran, J. M., Greneche, J. M., Gómez, I., Hernández, T.   +4 more
doaj  

OBTENCIÓN DE PRECURSORES CON TAMAÑO DE PARTÍCULA NANO Y MICROMÉTRICO PARA LA FABRICACIÓN DE MATERIALES CERÁMICOS CON PROPIEDADES ELÉCTRICAS NO LINEALES

Revista EIA
Se comparan resultados respecto al comportamiento eléctrico del material sinterizado, a partir de polvos precursores de materiales cerámicos con propiedades eléctricas no lineales, conocidos como varistores.
Eugenio Giraldo Tobón, Pablo Abad Mejía   +1 more
doaj  

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Extremely enhanced thermal stability of Y 2/3 Cu 3 Ti 4 O 12 ceramics by a Pechini method

Journal of the American Ceramic Society, 2023
Aimin Chang, Bo Zhang, Zhilong Fu
exaly  

A Comparison of the Role of the Chelating Agent on the Structure of Lithium Conducting Solid Electrolyte Li1.4Al0.4Ti1.6(PO4)3: Pechini vs. Modified Pechini-Type Methods

Batteries, 2020
Pirooz Marashi, Mohammad Reza Ghaani
exaly