“…EDX spectra obtained on both particles did not show a marked difference on the molar Sr/Ti ratio, because the particles contain similar Sr and Ti amounts as it is suggested by the corresponding EDX spectrum in Fig. 5c ( Rangel-Hernandez et. al., 2009).…”
Section: Single Step Hydrothermal Crystallization Of Perovskite Stronmentioning
confidence: 89%
“…The vessel was heated at a constant rate of 20 ºC/min up at various temperatures (350-500 ºC) for a reaction interval between 0.5 and 2 h. After the treatments, the precipitates were well washed with distilled water, decanted and then dried in an oven at 100 ºC overnight (Rivas-Vázquez et. al., 2004Rendón-Angeles et. al., 2009).…”
Section: Hydrothermal Crystallization Of Perovskite Lanthanum Chromitmentioning
“…EDX spectra obtained on both particles did not show a marked difference on the molar Sr/Ti ratio, because the particles contain similar Sr and Ti amounts as it is suggested by the corresponding EDX spectrum in Fig. 5c ( Rangel-Hernandez et. al., 2009).…”
Section: Single Step Hydrothermal Crystallization Of Perovskite Stronmentioning
confidence: 89%
“…The vessel was heated at a constant rate of 20 ºC/min up at various temperatures (350-500 ºC) for a reaction interval between 0.5 and 2 h. After the treatments, the precipitates were well washed with distilled water, decanted and then dried in an oven at 100 ºC overnight (Rivas-Vázquez et. al., 2004Rendón-Angeles et. al., 2009).…”
Section: Hydrothermal Crystallization Of Perovskite Lanthanum Chromitmentioning
“…De hecho se relaciona con el modo de empaquetamiento de los iones dentro de la celda perovskita; cuando = 1 una celda de simetría cúbica es formada. Alrededor de valores de = 1, la simetría de la perovskita es menor (Rangel, 2009). …”
Section: Factor De Toleranciaunclassified
“…Lo anterior también se conoce como distorsión estructural la cual puede ser en fase o antifase dependiendo de la energía del sistema y que se ilustra en la Figura 4. Finalmente el factor de tolerancia se relaciona con lo anterior como un indicador que muestra la porción de espacio donde la especie A llena los intersticios cubo-octaédricos creados por los arreglos de B con los aniones (Rangel, 2009). …”
Section: Distorsiones Cristalinas En Perovskitasunclassified
“…1 -Sept. 2013-Feb. 2014 140 Facultad de Ciencias e Ingeniería En la Figura 8 se presenta la resistividad residual y la resistividad a 300 K en función de la temperatura. Las dos curvas presentan una dependencia con la temperatura similar para 0<x<0,24.…”
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