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Optical properties and radiation shielding features of Er3+ ions doped B2O3–SiO2–Gd2O3–CaO glasses.

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Title: Optical properties and radiation shielding features of Er3+ ions doped B2O3–SiO2–Gd2O3–CaO glasses.
Authors: Al-Hadeethi, Y.1 (AUTHOR), Sayyed, M.I.2,3 (AUTHOR), Raffah, Bahaaudin M.1 (AUTHOR) braffah@kau.edu.sa, Bekyarova, E.4 (AUTHOR), Rammah, Y.S.5 (AUTHOR)
Source: Ceramics International. Feb2021, Vol. 47 Issue 3, p3421-3429. 9p.
Subjects: Radiation shielding, Optical properties, Attenuation coefficients, Mass attenuation coefficients, Optical susceptibility
Abstract: The role of Er3+ ions on the optical properties and radiation shielding features of (55-x)B 2 O 3 –10SiO 2 −25Gd 2 O 3 –10CaO−xEr 2 O 3 : (Er-glasses) with x = 0 (Er-0.0) to 2.5 (Er-2.5) mol% glasses was investigated. The Metallization criterion (Mcriterion) was found to vary from 0.5356 to 0.5346, while the static dielectric constant (εstatic) varied from 2.7340 to 2.7406 for Er-0.0 to Er-2.5 glasses. The optical electronegativity (χ*) decreased from 0.9085 to 0.8440, the nonlinear refractive index (n 2 o p t i c a l ) increased from 1.4075 × 10−12 to 1.4274 × 10−12 (esu), and the nonlinear optical susceptibility (χ3) increased from 6.1765 × 10−14 to 6.2714 × 10−14 (esu) with increasing Er 2 O 3 from 0 to 2.5 mol%. The mass attenuation coefficient (MAC) for the Er-glasses has been calculated via the Phy-X/PSD program. The highest MAC was found at 0.284 MeV, and was equal to 0.197 cm2/g for Er-0.0, 0.199 cm2/g for Er-0.5, 0.200 cm2/g for Er-1.0, 0.201 cm2/g for Er-1.5, 0.202 cm2/g for Er-2.0 and 0.204 cm2/g for Er-2.5. The linear attenuation coefficient (LAC) has the following order: (Er-2.5) LAC > (Er-2.0) LAC > (Er-1.5) LAC > (Er-1.0) LAC > (Er-0.5) LAC > (Er-0.0) LAC. The RPE for the Er-2.5 glass was found to increase from 35.06% (for x = 0.5 cm) to 82.20% (for x = 2 cm) at 0.284 MeV. At the selected energies, the transmission factor (TF) decreased with the addition of Er 2 O 3. The half value layer (HVL) of the Er-0.0-Er2.5 samples tended to decrease with the increase in Er 2 O 3 content. The tenth value layer (TVL) decreased from 2.919 to 2.667 cm at 0.284 MeV as the Er 2 O 3 increases from 0 to 2.5 mol%, while at 0.511 MeV it decreased from 5.771 to 5.377 cm. The results revealed that the Er-glasses can be applied for optical and radiation shielding uses. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Optical properties and radiation shielding features of Er3+ ions doped B2O3–SiO2–Gd2O3–CaO glasses.
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  Data: The role of Er3+ ions on the optical properties and radiation shielding features of (55-x)B 2 O 3 –10SiO 2 −25Gd 2 O 3 –10CaO−xEr 2 O 3 : (Er-glasses) with x = 0 (Er-0.0) to 2.5 (Er-2.5) mol% glasses was investigated. The Metallization criterion (Mcriterion) was found to vary from 0.5356 to 0.5346, while the static dielectric constant (εstatic) varied from 2.7340 to 2.7406 for Er-0.0 to Er-2.5 glasses. The optical electronegativity (χ*) decreased from 0.9085 to 0.8440, the nonlinear refractive index (n 2 o p t i c a l ) increased from 1.4075 × 10−12 to 1.4274 × 10−12 (esu), and the nonlinear optical susceptibility (χ3) increased from 6.1765 × 10−14 to 6.2714 × 10−14 (esu) with increasing Er 2 O 3 from 0 to 2.5 mol%. The mass attenuation coefficient (MAC) for the Er-glasses has been calculated via the Phy-X/PSD program. The highest MAC was found at 0.284 MeV, and was equal to 0.197 cm2/g for Er-0.0, 0.199 cm2/g for Er-0.5, 0.200 cm2/g for Er-1.0, 0.201 cm2/g for Er-1.5, 0.202 cm2/g for Er-2.0 and 0.204 cm2/g for Er-2.5. The linear attenuation coefficient (LAC) has the following order: (Er-2.5) LAC > (Er-2.0) LAC > (Er-1.5) LAC > (Er-1.0) LAC > (Er-0.5) LAC > (Er-0.0) LAC. The RPE for the Er-2.5 glass was found to increase from 35.06% (for x = 0.5 cm) to 82.20% (for x = 2 cm) at 0.284 MeV. At the selected energies, the transmission factor (TF) decreased with the addition of Er 2 O 3. The half value layer (HVL) of the Er-0.0-Er2.5 samples tended to decrease with the increase in Er 2 O 3 content. The tenth value layer (TVL) decreased from 2.919 to 2.667 cm at 0.284 MeV as the Er 2 O 3 increases from 0 to 2.5 mol%, while at 0.511 MeV it decreased from 5.771 to 5.377 cm. The results revealed that the Er-glasses can be applied for optical and radiation shielding uses. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ceramint.2020.09.187
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 3421
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        Type: general
      – SubjectFull: Optical properties
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      – SubjectFull: Attenuation coefficients
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      – SubjectFull: Mass attenuation coefficients
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      – SubjectFull: Optical susceptibility
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      – TitleFull: Optical properties and radiation shielding features of Er3+ ions doped B2O3–SiO2–Gd2O3–CaO glasses.
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              Text: Feb2021
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