Results 161 to 170 of about 2,315 (212)
Photoluminescence of nanocrystalline YVO4:TmxDy1−x prepared by a modified Pechini method
, 2007 牛淑云 +4 more
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Seeding of PMN powders made by the Pechini method
Ceramics International, 2001 Abstract The partial oxalate method, with the columbite route, associated with the Pechini method, was used to obtain a very fine ceramic powder at low temperature. Using this route it was possible to obtain a very reactive powder and to synthesize a lead magnesium niobate (PMN) powder with up to 100% of perovskite phase at a lower temperatures than ...
Cavalheiro, A. A. +6 more
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Synthesis of CeNb3O9 perovskite by Pechini method
Materials Letters, 2018Abstract Pechini method was applied for the first time to synthesize CeNb3O9 perovskite at different calcination temperatures (600, 800 and 1000 °C). A solution of water, citric acid, ethylene glycol, ammonium niobium oxalate and cerium ions was polymerized and calcined at 300 °C for 2 h.
Alexandre Boscaro Franca +2 more
exaly +2 more sources
Production of nanopowders of yttrium-aluminum garnet by the Pechini method
Refractories and Industrial Ceramics, 2011Results are presented from the synthesis of nanopowders of yttrium-aluminum garnet by the Pechini method. It is established that the Pechini method is a promising technology for producing optically transparent ceramics.
A V Belyakov, Belyakov A V
exaly +2 more sources
Modified Pechini method by PVP addition for Nd:Gd2O3 nanophosphors fabrication
Ceramics International, 2021Abstract Gadolinium oxide nanopowders doped with neodymium were prepared via modified Pechini method based on double stabilization of nanoparticles. Polyvinylpyrrolidone was used as an additional stabilizer at low-temperature stage of synthesis. This polymer also acts as a fuel during thermal treatment of precursors.
D V Bulyga +2 more
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Study of the Optical and Dielectric Properties of TiO2 Nanocrystals Prepared by the Pechini Method
Journal of Nanoscience and Nanotechnology, 2012 Titanium oxide nanocrystals synthesized by the Pechini method were calcinated at temperatures between 300 and 1000 degrees C. The crystalline structure was analysed by X-ray diffraction, scanning electron microscopy (SEM) and Raman spectroscopy. A phase transition from the anatase to rutile crystalline phase was found to occur at temperatures near 500 ...
Graça, M. P. F. +4 more
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The effect of the morphology on the magnetic properties of barium hexaferrite synthesized by Pechini method [PDF]
Materials Letters, 2014 Rod, platelet and ellipsoidal nanostructures of BaFe12O19 have been synthesized by the Pechini method followed by heat treatment. The produced samples were heat treated at 900 °C for different hours and characterized by X-ray diffraction, scanning ...
J M Soares, C A Paskocimas
exaly +2 more sources
La2Cu0.8Co0.2O4+δ by Pechini Method
Surface Science Spectra, 2009Cobalt-doped lanthanum cuprates of the type La2Cu1-xCoxO4 are Ruddlesden-Popper compounds characterized by several interesting properties. In particular, thanks to the presence of copper and cobalt, they can be utilized as catalysts in redox reactions.
Pegoraro S +3 more
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Synthesis of Mullite by the Pechini Method
Materials Science Forum, 2015In the past few years there is a considerable interest in the study and application of the mullite, due to its chemical, physical and mechanical properties, in which are correlated with the synthesis method used. Aiming to achieve better structural and morphological properties, many synthesis methods are being studied, in which the Pechini method is ...
Aluska do Nascimento Simões Braga +5 more
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The Preparation of BaCeO3 Nanopowders by Pechini Method
Proceedings of the 2019 The 2nd International Conference on Robotics, Control and Automation Engineering, 2019BaCeO3 Perovskite-type oxide single phase nanopowders were prepared by the Pechini method. A polymeric precursor was synthesized by use of Ba(NO3)2 and Ce(NO3)3•6H2O AR powders as metal ion sources, and citric acid and ethylene glycol as chelating agents and reaction medium, respectively.
Xiaoyan Deng +3 more
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