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Synthesis of SrTiO3 by the Calcination of SrCO3 and TiO2 Mixtures Intensively Ground by Means of High Energy Milling

Rocha-Rangel, Enrique ; Pech-Rodríguez, Wilian J. ; López-Hernández, Juan ; Calles-Arriaga, Carlos A. ; Armendáriz-Mireles, Eddie N. ; Castillo-Robles, José A. ; Rodríguez-García, José A.

Archives of metallurgy and materials, 2020-01, Vol.65 (2), p.621-626 [Periódico revisado por pares]

Warsaw: Polish Academy of Sciences

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Título:
Synthesis of SrTiO3 by the Calcination of SrCO3 and TiO2 Mixtures Intensively Ground by Means of High Energy Milling
Autor: Rocha-Rangel, Enrique ; Pech-Rodríguez, Wilian J. ; López-Hernández, Juan ; Calles-Arriaga, Carlos A. ; Armendáriz-Mireles, Eddie N. ; Castillo-Robles, José A. ; Rodríguez-García, José A.
Assuntos: Chemical reactions ; Electrical measurement ; Energy ; Grain size ; insulating ceramics ; Insulation ; Mechanical alloying ; mechanochemistry ; Mixtures ; Morphology ; Particle size ; perovskite ; Perovskite structure ; Perovskites ; Photomicrographs ; Raw materials ; Roasting ; Scanning electron microscopy ; srtio3 ; Strontium carbonate ; Strontium titanates ; Thermogravimetric analysis ; Titanium dioxide ; X-ray diffraction
É parte de: Archives of metallurgy and materials, 2020-01, Vol.65 (2), p.621-626
Descrição: A SrTiO3 electroceramic with perovskite structure was produced by the calcination of a mixture of SrCO3 and TiO2 intensively grounded by high energy milling. For this purpose, raw materials were mixed in stoichiometric amounts in a planetary type mill; the obtained powder mixture was calcined for 2 h at temperatures between 800 and 1300°C. Samples resulting from the calcination were characterized by XRD, FTIR, SEM analysis and electrical measurements. From XRD, it was determined that the SrTiO3 formed presents the cubic structure of perovskite. The complete reaction for SrTiO3 compound formation occurs at 1200°C. Micrograph observations indicate the presence of a homogeneous microstructure with tiny grain size. The measured values of electrical resistivity were within the typical range of insulating materials.
Editor: Warsaw: Polish Academy of Sciences
Idioma: Polonês;Inglês

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Synthesis of SrTiO3 by the Calcination of SrCO3 and TiO2 Mixtures Intensively Ground by Means of High Energy Milling

Rocha-Rangel, Enrique ; Pech-Rodríguez, Wilian J. ; López-Hernández, Juan ; Calles-Arriaga, Carlos A. ; Armendáriz-Mireles, Eddie N. ; Castillo-Robles, José A. ; Rodríguez-García, José A.

Warsaw: Polish Academy of Sciences

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