Synthesis and characterization of aluminum-yttrium perovskite powder using a co-precipitation technique

Sara Ahmadi

doi:10.53063/synsint.2022.24135

Sara Ahmadi ¹

¹ Construction and Minerals Research Group, Technology and Engineering Research Center, Standard Research Institute, Alborz, Iran

https://doi.org/10.53063/synsint.2022.24135

Abstract

In this research the YAlO3 perovskite powder (YAP) was successfully synthesized by co-precipitation route. Co-precipitation synthesis is simple and affordable technique that capable to produce more homogeneous powders. The temperature was lowered to 1400 °C as a result of the first step's investigation into how different mineralizers affect YAlO3 formation. The next step involved examining the impact of pH on the synthesis process as well as the calcination time and temperature. The optimal conditions for the synthesis of single-phase YAP were subsequently determined. Scanning electron microscopy (SEM), inductively coupled plasma mass spectrometry (ICP-Mass), and X-ray diffraction (XRD) analysis have all been used to characterize the obtained powders. The findings demonstrate that the NaF:MgF2:Li2CO3 (3:2:1 by weight) was the most suitable mineralizer system for formation of YAlO3 perovskite. In addition, powders of orthorhombic YAP were successfully synthesized at pH=9. The optimal conditions for the preparation of single phase aluminum-yttrium perovskite crystals were found to be calcination at 1400 °C for 4 hours.

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Keywords: YAP, Perovskite, Chemical synthesis, Co-precipitation, Aluminum-yttrium

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