Physical properties of pseudo quaternary Na2B4O7 – SiO2 – MoO3 – Dy2O3 glasses
Source abstract
Abstract
Abstract Pseudo quaternary Na2B4O7–SiO2–MoO3–Dy2O3 glasses with various concentrations of Dy2O3 were synthesized and characterized by ultrasound, DTA and X-ray diffraction (XRD). It was found that, the density, the molar volume and the elastic moduli increased while the ultrasonic velocities and the packing density decreased with increasing of Dy2O3 concentration. The lower values of the radii and the bond length of B2O3, compared to those of Dy2O3, decreased the interatomic forces between the reactant glass forming cations and oxygens inside the glassy network. Accordingly, this will increase the molar volume and in the same time will decrease the average cross-link density, the ultrasonic velocities, the glass transition temperature and the thermal stability. Also, this may result in a high density glass sample which will increase the elastic moduli. Based on Lasocka's model, a good correlation between the temperature of both glass transition ( T gl ) and crystallization peak ( T pc ) was observed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Thermal and Kinetic Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (29)
Show source-provided references
1. Optical characterizations and Judd-Ofelt analysis of Dy3+ doped borosilicate glasses10.1016/j.optmat.2017.05.062 ↗
2. Branching ratios, cross sections, and radiative lifetimes of rare earth ions in solids: application to Tm+3 and Ho+3 ions in LiYF410.1063/1.367037 ↗
3. Preparation and photoluminescence properties of Dy+3 -doped Ba3Lu(PO4)3 phosphors10.1016/S1002-0721(14)60553-6 ↗
4. Effect of La2O3 on the structure of lead borate glasses10.1016/j.jnoncrysol.2010.04.036 ↗
5. Spectroscopic properties and Judd-Ofelt analysis of Dy3+ in lithium lanthanum borate glass for laser medium application10.4028/www.scientific.net/KEM.675-676.389 ↗
6. Optical and FTIR structural studies of CoO-doped sodium borate, sodium silicate and sodium phosphate glasses and effects of gamma irradiation-a comparative study10.1016/j.molstruc.2014.06.011 ↗
7. The Elusory role of low level doping transition metals in lead silicate glasses10.1007/s12633-010-9053-8 ↗
8. Investigation on the physical and optical properties of Dy3+ doped soda-lime-silicate glasses10.1016/j.proeng.2012.01.1328 ↗
9. Fabrication of a high lithium ion conducting lithium borosilicate glass10.1016/j.jnoncrysol.2011.03.022 ↗
10. Structure and properties of rare earth-doped lead borate glasses10.1016/j.mseb.2005.05.002 ↗
11. Complex optical study of V2O5–P2O5–B2O3–Dy2O3 glass systems10.1016/j.jtusci.2015.01.002 ↗
12. A route for white LED package using luminescent low-temperature co-fired ceramics10.1016/j.jallcom.2015.09.177 ↗
13. Spectroscopic studies and luminescence spectra of Dy2O3 doped lead phosphate glasses10.1007/s12633-012-9125-z ↗
14. Mechanical and structural studies on sodium borosilicate glasses doped with Er2O3 using ultrasonic velocity and FTIR spectroscopy10.1016/j.physb.2006.06.132 ↗
15. The acoustic properties of borosilicate glass affected by oxide of rare earth gadolinium10.1016/j.physb.2010.05.011 ↗
16. Ultrasonic study on some borosilicate glasses doped with different transition metal oxides10.1016/j.ssc.2007.09.017 ↗
17. Effects of neodymium and gadolinium on weathering resistance of ZnO-B2O3-SiO2 glass10.1016/S1002-0721(14)60156-3 ↗
18. Direct calculation of young's modulus10.1016/0022-3093(73)90053-7 ↗
19. calculation of bulk modulus, shear modulus and Poisson's ratio10.1016/0022-3093(75)90047-2 ↗
20. Ultrasonic study and physical properties of some borate glasses10.1016/j.matchemphys.2003.09.051 ↗
21. Synthesis and several features of the Na2O-B2O3-Bi2O3-MoO3 glasses10.1088/0022-3727/40/15/048 ↗
22. Effect of La2O3 on the structure of lead borate glasses10.1016/j.jnoncrysol.2010.04.036 ↗
23. Ultrasonic and structural features of some borosilicate glasses modified with heavy metals10.1007/s12034-017-1421-1 ↗
24. Varshnaya · 1994
25. Elastic properties of quaternary glasses in the MgO–CaO–Al2O3–SiO2 system: modelling versus measurement10.1007/s10853-017-1023-8 ↗
26. The effect of heating rate range on the activation energy for glass-to-crystal transition10.1016/0036-9748(84)90185-6 ↗
27. Structure and crystallization kinetics of manganese lead tellurite glasses10.1007/s10973-014-4225-1 ↗
28. Thermal properties and crosslinking of binary TeO2–Nb2O5 and TeO2–WO310.1016/j.jnoncrysol.2013.07.037 ↗
29. Volume and thermal studies for tellurite glasses10.1007/s10853-009-4015-5 ↗