Strontium-doped borate glasses: synthesis, structure, optical, and radiation attenuation characteristics

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作者：
Norah A. M. Alsaif
Haifa I. Alrebdi
Adel M. El-Refaey
R. A. Elsad
M. S. Shams
W. M. Almutairi
Y. S. Rammah
机构：
[1] Princess Nourah Bint Abdulrahman University,Department of Physics, College of Science
[2] Arab Academy of Science,Department of Basic and Applied Science, Collage of Engineering and Technology
[3] Technology and Maritime Transport,Basic Engineering Science Department, Faculty of Engineering
[4] Menoufia University,Physics and Mathematical Engineering Department, Faculty of Electronic Engineering
[5] Menoufia University,Department of Physics, Faculty of Science
[6] Menoufia University,undefined
来源：
Journal of Materials Science: Materials in Electronics | 2023年 / 34卷
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摘要：
The strontium (Sr) effects on the physical, structural, optical, and radiation protection competence of glassy samples with chemical composition (60-y)B2O3-20ZnO-10Li2O-10PbO-ySrO: 0 ≤ y ≤ 25 mol% have been investigated. These glass samples have been produced using the melt-quenching technique. Amorphous nature of samples confirmed via XRD measurements. Samples' density varied from 3.2824 to 3.8717 g/cm3, and molar volume varied from 25.396 to 23.698 cm3/mol. The oxygen-molar volume (OMV) increased from 11.543 to 13.940 cm3/mol and the oxygen-packing density (OPD) decreased from 86.629 to 71.735 g.atom/l. The optical-band-gap energy changed from 2.79 to 2.91 eV. The mass—(MAC) and linear—(LAC) attenuation-coefficients ordered as: (Sr0)MAC,LAC < (Sr5)MAC,LAC < (Sr10)MAC,LAC < (Sr15)MAC,LAC < (Sr20)MAC,LAC < (Sr25)MAC,LAC. The half-value-layer (HVL) and mean-free-path (MFP) have the same trend as (Sr0)HVL,MFP > (Sr5)HVL,MFP > (Sr10)HVL,MFP > (Sr15)HVL,MFP > (Sr20)HVL,MFP > (Sr25)HVL,MFP. The effective atomic number (Zeff) follows the pattern seen above. Results revealed that the investigated glasses were superior to be used as shield materials.
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