Spectroscopic, Structural, Thermal, and Mechanical Properties of B2O3-CeO2-PbO2 Glasses

• Published in: Journal of inorganic and organometallic polymers and materials Vol. 31; no. 4; pp. 1774 - 1786
• Main Authors: El-Rehim, A. F. Abd, Ali, Atif Mossad, Zahran, H. Y., Yahia, I. S., Shaaban, Kh. S.
• Format: Journal Article
• Language: English
• Published: New York Springer US 01.04.2021; Springer Nature B.V
• Subjects: Boron oxides; Cerium oxides; Chemistry; Chemistry and Materials Science; Crystallization; Glass transition temperature; Inorganic Chemistry; Lead oxides; Mechanical properties; Organic Chemistry; Oxygen atoms; Oxygen ions; Polymer Sciences; Refractivity; Thermal stability; Polarizability; CeO; Optical; Mechanical; Thermal
• ISSN: 1574-1443; 1574-1451
• DOI: 10.1007/s10904-020-01799-w

The melt-quenching method has been used to fabricate a PbO 2 –B 2 O 3 –CeO 2 glass system. The XRD diffractometer procedure was used to check the status of these samples. It can be concluded, from the X-ray diffraction curves, that the tested samples have high levels of glassiness. As the CeO 2 concentration increased most of the [BO 4 ] are converted into [BO 3 ] structural units with the formation of non-bridging oxygen ions in the borate matrix. It can be cross verified with the decrease of the N 4 fraction from 0.654 to 0.239. This decrease may be attributed to the formation of [CeO 7 ] structural units that needs more oxygen atoms. The ultrasonic velocities of the prepared glasses are decreased with the increase of CeO 2 content. Different types of elastic modules were evaluated (experimental and theoretical) for the prepared glasses are increases with the increase of CeO 2 content. Glass transition temperature (T g ), crystallization temperature (T c ), the peak of crystallization temperature (T p ) and thermal stability values decreases with the increase of CeO 2 content. The refractive index of these samples is increasing with the increase in the reflection and the density.