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Effect of Sm3+ concentration on physical properties of magnesium tellurite glasses containing silver nanoparticles

Yusoff, N. M. and Sahar, M. R. (2016) Effect of Sm3+ concentration on physical properties of magnesium tellurite glasses containing silver nanoparticles. In: 28th Regional Conference on Solid State Science and Technology, RCSSST 2014, 25 - 27 Nov 2014, Pahang, Malaysia.

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Abstract

A series of tellurite (TeO2) glass containing samarium (Sm2O3) and silver nanoparticles with a composition of (89.6-x)TeO2-10MgO-(x)Sm2O3-0.4AgCl with 0.2 ≤ x ≤ 1.0 mol% have been synthesized by a conventional melt quenching technique. The X-ray diffraction pattern verified the amorphous nature of glasses. A systematic study on the relationship between Sm2O3 concentration and the physical properties of the glass has been made. The effect on the progressive replacement of TeO2 by Sm2O3 on density, molar volume, refractive index and electronic polarizability has been investigated. The results show that density and ionic packing density are in the range of 4.91-5.04 g cm-3 and 0.444 – 0.455, respectively, increases as the amount of Sm2O3 is increased up to 0.8 mol% and decrease afterward. However, the molar volume which is in between, 29.59-30.26 m3 mol-1 decreasing as the amount of Sm2O3 is increased up to 0.8 mol% and increase thereafter. Meanwhile the refractive index which is deduced from optical energy band gap is found to possess a value in the range of 2.37 to 2.45 and electronic polarizability is in the range of 7.14-7.51Å3. All the results will be discussed with respect to the modification in glass composition.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Electronic polarizability, Ionic packing density, Refractive index, Silver nanoparticles, Tellurite glass
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:73606
Deposited By: Mohd Zulaihi Zainudin
Deposited On:20 Nov 2017 16:43
Last Modified:20 Nov 2017 16:43

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