Results 101 to 110 of about 5,167 (219)

Preparation of (La0.8Sr0.2)2FeNiO6-Δ Nanopowder by Pechini Method and Its Sensitivity to NO2

open access: yesMATEC Web of Conferences, 2018
The nano-sized (La0.8Sr0.2)2FeNiO6-Δ (LSFN) double perovskite powder without impurity phase was successfully prepared using the Pechini method.
Zhou Lihong   +3 more
doaj   +1 more source

The characterization of Co xZn7-xSb2O12 spinel obtained by the pechini method

open access: yesMaterials Research, 2005
Oxides with spinel structures have been studied for many decades as they have been used in a variety of applications like pigments and refractories. They have also been used as a model structure to evaluate the relative stability of ions in octahedral ...
Deiby Santos Gouveia   +5 more
doaj   +1 more source

Effect of the Addition of Potassium or Lithium on the Columbite Precursor Microstructure

open access: yesMaterials Research, 2002
Pechini method has been used to synthesize MN powders with stoichiometric control. By this method, K and Li-doped MN in the range from 0.1 to 5.0 mol% of dopants have been obtained at relatively lower temperatures than it is possible with the ...
Alberto A. Cavalheiro   +3 more
doaj   +1 more source

Síntesis y refinamiento de la estructura de Dióxido de Titanio dopada con Cromo (Ti1-xCrxO2) [PDF]

open access: yes, 2014
Mediante el método de ajuste de refinamiento estructural o método de Rietveld, se realizó la estimación de los parámetros de red de dióxido de titanio (TiO2) dopado con cromo (Cr).
Giraldo García, Andrés Felipe   +1 more
core  

Síntesis y catálisis de las perovskitas MgTiO3 y CaTiO3 [PDF]

open access: yes, 2017
Las Perovskitas son una especie de solidos cristalinos que catalizan reacciones de degradación en colorantes, en el siguiente artículo se expresa el proceso de obtención de dichas perovskitas( MgTiO3 Y CaTiO3,) por el método de Pechini con algunas ...
Benavides Benavides, Ana Milena   +1 more
core  

Preperation of hydroxyapatie-alumina coated zirconia composites [PDF]

open access: yes, 2007
Hydroxyapatite (HAp) bioceramics as bone substitute materials have unique biocompatibility feature among phosphate groups. How ever, the low fracture strength and poor fatigue resistance due to the instability of OH- groups limit the use of HAp for load ...
Kochupyloth, Pauljin
core  

Síntesis y catálisis de perovskitas del tipo ABX3 ( A = K, NA), B= Ti, X= O dopadas con lantano [PDF]

open access: yes, 2016
Este trabajo se basa en el estudio de solidos semiconductores con estructura tipo prevoskita de la forma ABX3 donde A = Na, K, B= Ti, X= O. Estos semiconductores podrían ser usados como fotocatalizadores en la obtención de hidrógeno a partir del agua o ...
Florez Tabares, Laura Cristina
core  

Extending the afterglow in CaAl₂O4:Eu,Nd persistent phosphors by electron beam annealing [PDF]

open access: yes, 2012
Avci, Nursen   +3 more
core   +1 more source

Influence of the Synthesis Route on the Structural and Magnetic Properties of La0.7Sr0.3MnO3 Nanoparticles

open access: yesIngeniería e Investigación
Cancer is one of the leading causes of death worldwide, significantly impacting public health, with current treatment options that often have side effects on patients.
Jenny Alejandra Mera Córdobba   +5 more
doaj   +1 more source

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