Optical properties of the SiO2-Na2O-CaO-nd2O3 glasses
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Author list: Chimalawong P., Kaewkhao J., Kittiauchawal T., Kedkaew C., Limsuwan P.
Publisher: Science Publications
Publication year: 2010
Journal: American Journal of Applied Sciences (1546-9239)
Volume number: 7
Issue number: 4
Start page: 584
End page: 589
Number of pages: 6
ISSN: 1546-9239
eISSN: 1546-9239
Languages: English-Great Britain (EN-GB)
Abstract
Problem statement: This study researched on different physical and optical properties of Nd3+ doped soda-lime-silicate glass. The glasses containing Nd3+ in (65-x) SiO2: 25Na2O: 10CaO: xNd2O3 (where x = 0.0-5.0 mol%) had been prepared by melt-quenching method. The density and molar volume increase with increasing of Nd2O3 concentration due to increasing of Non Bridging Oxygens (NBOs) in glass matrix. Approach: The optical spectra were measured and evaluated their optical band gap and found to decrease with increasing of Nd2O3 concentration. Results: Moreover, these results showed that the refractive index of glass does not only depend on the density but also depend on the electronic polarizability of the glass. Conclusion: The values of polarizability of oxide ions, theoretical optical basicity were also determined. ฉ 2010Science Publications.
Keywords
Nd2O3