Study of synthesis, structure and temperature-dependent phase evolution of Barium Zirconium Titanate

Year 2025, Volume: 9 Issue: 1, 43 - 49, 23.04.2025

Pelin Aktaş

https://doi.org/10.35860/iarej.1585507

https://izlik.org/JA26FT49XN

Abstract

In this study, Barium Zirconium Titanate (BaZrxTi1-xO3) (where x=0.1 and 0.2) structures were synthesized using starting materials of barium acetate, titanium (triethanolaminato) isopropoxide (80% w/w in isopropanol), and Zr(IV)propoxide (70% 1-propanol solution) through the Pechini method. The significance of this synthesis lies in its novel application of commercially available, air-stable organic titanate precursors. The BZT structures were characterized using X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FT-IR), Thermal Gravimetric Analysis (TGA), and Scanning Electron Microscopy with Energy Dispersive X-ray (SEM-EDX) analyses. XRD patterns of the resultant samples, taken after calcination processes at temperatures ranging from 800°C to 1200 °C, support the hypothesis that zirconium is integrated into the structure. SEM results demonstrated that as the amount of Zr increased, the grain size of BZT decreased, with BZT2 particles exhibiting a spherical morphology. The grain sizes of the BZT2 sample ranged approximately from 180 to 50 nm. Furthermore, EDX analyses confirmed the substitution of Zr within the BZT structure.

Keywords

Barium zirconium titanate , Organic titanate , Pechini , X-ray diffraction

Project Number

2019-056

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