Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate
Hassanien, A., Matar, T., Mabied, A., Ramadan, A., Hashem, H. (2023). Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate. EKB Journal Management System, 66(8), 67-71. doi: 10.21608/ejchem.2022.160582.6915
A. E. Hassanien; Toka Matar; Ahmed F. Mabied; A. A. Ramadan; H. M. Hashem. "Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate". EKB Journal Management System, 66, 8, 2023, 67-71. doi: 10.21608/ejchem.2022.160582.6915
Hassanien, A., Matar, T., Mabied, A., Ramadan, A., Hashem, H. (2023). 'Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate', EKB Journal Management System, 66(8), pp. 67-71. doi: 10.21608/ejchem.2022.160582.6915
Hassanien, A., Matar, T., Mabied, A., Ramadan, A., Hashem, H. Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate. EKB Journal Management System, 2023; 66(8): 67-71. doi: 10.21608/ejchem.2022.160582.6915

Crystallographic X-ray Diffraction Study on Thermal Phase Transformation of Barium Titanate

Egyptian Journal of Chemistry
Volume 66, Issue 8, August 2023, Page 67-71  XML PDF (1.28 MB)
Document Type: Original Article
DOI: 10.21608/ejchem.2022.160582.6915
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Authors
A. E. Hassanien1; Toka Matar email 1; Ahmed F. Mabied2; A. A. Ramadan1; H. M. Hashem1
1Physics Department, Faculty of Science, Helwan University, 11792 Cairo, Egypt.
2Solid State Physics Department, Physics Research Institute, National Research Centre, 33 El- Bohouth St., 12622 Dokki, Giza, Egypt.
Abstract
BaTiO3 exhibits several phases. Due to its exceptional ferroelectric and dielectric characteristics, Barium titanate (BaTiO3) has received a lot of interest. In the current study, X-ray diffraction method was used to investigate the phase transition and structural stability of BaTiO3 in temperature range of 30-700 oC. The behaviour of phase transformation and lattice parameters of the BaTiO3 were established by Rietveld refinement. At 100 oC, transformation to cubic phase starts and remains cubic up to 700 oC. Additionally, tetragonal to cubic transformation was accomplished by a decrease of tetragonality at 125 oC.
Keywords
Barium titanate; High temperature X-ray diffraction; Phase transition; Rietveld refinement
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