Results 91 to 100 of about 6,144 (227)
Cerâmica, 2006 Pigmentos pretos à base de Co, Fe e Cr foram sintetizados pelo método dos precursores poliméricos. Analizou-se o efeito do tratamento térmico no desenvolvimento da cor e de estabilidade dos pigmentos. O resultado da composição otimizada do pigmento foi a
P. R. G. Gonçalves Jr +5 more
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Gallium-doped zinc oxide prepared by the Pechini method
Eclética Química, 2018 Gallium-doped zinc oxide (ZnO:Ga) was prepared by the Pechini method from zinc citrate and gallium hydroxide. By this method, it is possible to synthesize crystalline ZnO:Ga by firing the polymeric precursor in air at 900ºC for four hours.
Goncalves, A. D. +2 more
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Synthesis and Characterization of Nano-Particles of Niobium Pentoxide with Orthorhombic Symmetry
Metals, 2017 In this work, a set of nanoparticles of Nb2O5 nanoparticles were grown by both the Pechini and the sol-gel methods. The amorphous materials were calcined at 650 #xB0;C or at 750 °C.
Miryam Rincón Joya +4 more
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ZrTiO4 nanowire growth using membrane-assisted Pechini route
Orbital: The Electronic Journal of Chemistry, 2014 The high surface-to-volume ratio of nanowires makes them natural competitors as new device components. In this regard, a current major challenge is to produce quasi-one-dimensional nanostructures composed of well established oxide-based materials.
P. R. de Lucena +3 more
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TiO2 sintetizado por el método de precursor polimerico (Pechini): estructura de la resina intermedia [PDF]
, 2011 En este trabajo se ha utilizado el método de precursor polimérico (método de Pechini) para sintetizar dióxido de titanio, proceso que ha permitido tener un mayor control sobre la pureza del óxido y el tipo de fase que ha presentado el material obtenido,
Franco, Y., Vargas, M. A.
core
TiO2 ceramics prepared using Pechini synthesis and laser sintering
Processing and Application of Ceramics, 2018 Nowadays, the laser sintering process has attracted the attention of researchers owing to advantages such as the possibility of using very high heating and cooling rates and the possibility of sintering materials with high melting point. TiO2 ceramics was produced from powders synthesized using the polymer precursor method.
Tiago Cordeiro Oliveira +1 more
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Preparation of (La0.8Sr0.2)2FeNiO6-Δ Nanopowder by Pechini Method and Its Sensitivity to NO2
MATEC 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
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Obtención de polvos cerámicos de BNKT-KNN por el método Pechini
Boletín de la Sociedad Española de Cerámica y Vidrio, 2013 Pechini method was used in order to obtain fine ceramic and single-phase powders for a lead-free ferroelectric system 0,97[(Bi1/2Na1/2)1-x(Bi1/2K1/2)xTiO3]-0,03[(Na1/2K1/2)NbO3]or BNKT-KNN (x = 0.00, 0.18, 0.21, 0.24, 0.27). This method allowed obtaining
Yasnó, J. P. +4 more
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Luminescence in undoped CaYAl3O7 produced via the Pechini method
Physica B: Condensed Matter, 2017 Abstract The luminescent properties of CaYAl3O7 (CYAM) were carried out in undoped powder samples produced via Pechini method. The thermal analysis combined with XRD measurements showed that 1000 °C/4 h is the best condition for the CYAM synthesis. Morphological analysis showed submicrometric particles with irregular shape.
Giordano F.C. Bispo +5 more
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Cerâmica, 1999 Este trabalho propõe a preparação de filtros cerâmicos macroporosos pela técnica da impregnação de espumas de poliuretano e utilização de uma resina preparada pelo método Pechini contendo íons alumínio e manganês como ligante. Nas temperaturas inferiores
D. Gouvêa +2 more
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