Enhanced structural and physical properties of Sb 2 O 3 –K 2 O-B 2 O 3 glasses: role of B 2 O 3 incorporation
Abstract
Physica Scripta Inclusive Publishing Trusted Science, find out more. Purpose-Led Publishing, find out more. Paper Enhanced structural and physical properties of Sb2O3–K2O-B2O3 glasses: role of B2O3 incorporation Lina Beghdadi, Majda Hamzaoui*, Nesrine Guesmia, Hanane Djouama, Ronan Lebullenger, Omar Bouras and Mohamed Toufik Soltani Published 16 October 2026 • © 2026 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved. Physica Scripta, Volume 101, Number 42 Citation Lina Beghdadi et al 2026 Phys. Scr. 101 425903 DOI 10.1088/1402-4896/aeb207 PDFOpens in a new tab. Authors Figures Tables References Open science Article metrics 20 Total downloads Submit Submit to this Journal Permissions Get permission to re-use this article Share this article Article information Abstract A series of antimony-based glasses with the nominal composition (80-x)Sb2O3–20 K2O-xB2O3 (0 ⩽ x ⩽ 40 mol%) was synthesized using the conventional melt-quenching technique. X-ray diffraction indicates the amorphous nature of all prepared samples. The influence of B2O3 incorporation on the structural, thermal, physical, optical, and elastic properties was investigated. Increasing the B2O3 content leads to a systematic decrease in density (ρ) from 4.6765 to 3.7234 g cm−3 and molar volume (Vm) from 53.898 to 43.855 cm3 mol−1, indicating enhanced structural compactness and packing efficiency. This behavior is supported by reduced free volume (Vf) and oxygen molar volume (VO), along with increased oxygen packing density. Attenuated total reflection Fourier–Transform infrared spectroscopy and Raman spectroscopy suggest a gradual transformation of boron structural units from trigonal BO3 to tetrahedral BO4 configurations, thus signaling a transition from a less connected to a more polymerized three-dimensional glass network. The average Boron–Boron separation distance d〈B–B〉 further suggests this structural rearrangement. Differential scanning calorimetry demonstrates good thermal stability, with only slight variations in the glass transition temperature (Tg) between 262 and 274 °C. Optical investigations show an increase in the optical band gap energy (Eg) from 2.894 to 3.123 eV, accompanied by a decrease in Urbach energy (Eu) from 0.362 to 0.333 eV, reflecting reduced structural disorder and improved network homogeneity. Elastic properties evaluated theoretically using the Makishima–Mackenzie model and experimentally via ultrasonic measurements reveal a significant increase in elastic moduli (Young’s, bulk, shear, and longitudinal) and Debye temperature (from 114.004–152.649 K) with increasing B2O3 content, indicating enhanced rigidity and network connectivity. K2O glasses, making them promising candidates for optical, photonic, and nonlinear applications.
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BibTeX
@article{beghdadi2026enhanced,
title = {{Enhanced structural and physical properties of Sb 2 O 3 –K 2 O-B 2 O 3 glasses: role of B 2 O 3 incorporation}},
author = {Lina Beghdadi and Majda Hamzaoui and Nesrine Guesmia and Hanane Djouama and Ronan Lebullenger and Omar Bouras and Mohamed Toufik Soltani},
journal = {Physica Scripta},
year = {2026},
month = oct,
doi = {10.1088/1402-4896/aeb207},
url = {https://hal.science/hal-05834692v2},
note = {CC BY-NC-ND 4.0},
}
RIS
TY - JOUR
TI - Enhanced structural and physical properties of Sb 2 O 3 –K 2 O-B 2 O 3 glasses: role of B 2 O 3 incorporation
AU - Lina Beghdadi
AU - Majda Hamzaoui
AU - Nesrine Guesmia
AU - Hanane Djouama
AU - Ronan Lebullenger
AU - Omar Bouras
AU - Mohamed Toufik Soltani
PY - 2026
DA - 2026/10/22
JO - Physica Scripta
DO - 10.1088/1402-4896/aeb207
UR - https://hal.science/hal-05834692v2
AB - Physica Scripta Inclusive Publishing Trusted Science, find out more. Purpose-Led Publishing, find out more. Paper Enhanced structural and physical properties of Sb2O3–K2O-B2O3 glasses: role of B2O3 incorporation Lina Beghdadi, Majda Hamzaoui*, Nesrine Guesmia, Hanane Djouama, Ronan Lebullenger, Omar Bouras and Mohamed Toufik Soltani Published 16 October 2026 • © 2026 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved. Physica Scripta, Volume 101, Number 42 Citation Lina Beghdadi et al 2026 Phys. Scr. 101 425903 DOI 10.1088/1402-4896/aeb207 PDFOpens in a new tab. Authors Figures Tables References Open science Article metrics 20 Total downloads Submit Submit to this Journal Permissions Get permission to re-use this article Share this article Article information Abstract A series of antimony-based glasses with the nominal composition (80-x)Sb2O3–20 K2O-xB2O3 (0 ⩽ x ⩽ 40 mol%) was synthesized using the conventional melt-quenching technique. X-ray diffraction indicates the amorphous nature of all prepared samples. The influence of B2O3 incorporation on the structural, thermal, physical, optical, and elastic properties was investigated. Increasing the B2O3 content leads to a systematic decrease in density (ρ) from 4.6765 to 3.7234 g cm−3 and molar volume (Vm) from 53.898 to 43.855 cm3 mol−1, indicating enhanced structural compactness and packing efficiency. This behavior is supported by reduced free volume (Vf) and oxygen molar volume (VO), along with increased oxygen packing density. Attenuated total reflection Fourier–Transform infrared spectroscopy and Raman spectroscopy suggest a gradual transformation of boron structural units from trigonal BO3 to tetrahedral BO4 configurations, thus signaling a transition from a less connected to a more polymerized three-dimensional glass network. The average Boron–Boron separation distance d〈B–B〉 further suggests this structural rearrangement. Differential scanning calorimetry demonstrates good thermal stability, with only slight variations in the glass transition temperature (Tg) between 262 and 274 °C. Optical investigations show an increase in the optical band gap energy (Eg) from 2.894 to 3.123 eV, accompanied by a decrease in Urbach energy (Eu) from 0.362 to 0.333 eV, reflecting reduced structural disorder and improved network homogeneity. Elastic properties evaluated theoretically using the Makishima–Mackenzie model and experimentally via ultrasonic measurements reveal a significant increase in elastic moduli (Young’s, bulk, shear, and longitudinal) and Debye temperature (from 114.004–152.649 K) with increasing B2O3 content, indicating enhanced rigidity and network connectivity. K2O glasses, making them promising candidates for optical, photonic, and nonlinear applications.
SN - 0031-8949
SN - 1402-4896
ER -