Thermal performance of Bi1₂TiO₂₀ crystals: insights into stability and decomposition kinetics

Date

2025-07-01

Author

Isik, M.
ALTUNTAŞ, GÖZDE
Hasanlı, Nızamı

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This study explores the thermal and structural properties of Bi12TiO20 crystals using a combination of thermogravimetric analysis (TGA), differential thermal analysis (DTA), differential scanning calorimetry (DSC), and x-ray diffraction (XRD) techniques. XRD measurements were conducted to confirm the crystalline structure and calculate the lattice parameter, while TGA and DTA were employed to evaluate the material's thermal stability and decomposition behavior. TGA revealed two distinct weight loss regions, approximately 0.9% loss between 490 degrees C-650 degrees C and 1.1% loss between 650 degrees C-840 degrees C. A rapid weight loss beyond 840 degrees C, accompanied by a significant exothermic peak in the DTA curve, was attributed to the structural decomposition of the crystal. DSC analysis identified an exothermic process at approximately 343 degrees C. The comprehensive evaluation of structural and thermal properties in this study not only establishes Bi12TiO20 as a high-performance material but also contributes to a deeper understanding of its potential for advanced technological applications.

URI

https://hdl.handle.net/11511/115230

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Department of Physics, Article