Research Article Open Access

Composition Dependent Structural and Thermal Properties of SM2O3 Doped Zinc Fluoroborate Glasses

Akshatha Wagh1, M.P. Ajithkumar1 and Sudha D. Kamath1
  • 1 Manipal University, India

Abstract

Glasses based on Sm3+ doped zinc fluoroborate have been synthesized and characterized. Formation of glass has been investigated in the 30 ZnF2-20 TeO2-(50-x) B2O3-x Sm2O3 matrix. Fast quenching is required to prevent melt crystallization and adequate heat treatment to diminish thermal stress, which results in an efficient amorphous material. The Differential Scanning Calorimeter (DSC), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Analysis (EDAX), stability, density and refractive index have been recorded, calculated, measured and analyzed for the glass samples with different concentrations of Sm3+ ranging between 0 to 3 mol%. Density increases as dopant concentration increases and glass transition temperature Tg ranges between 395 and 420°C. The increase of molar volume with Sm2O3 content indicates that the extension of glass network is due to the increase of the number of NBOs. The results found in this investigation showed that the refractive index of glass does not only depend on the density but also depends on the electronic polarizability of the glass. The increasing stability of the glass samples shows that they are thermally resistant. The presence of NBOs in the glass network is also approved by the decrease in glass transition temperature (Tg). The variation of the properties with different composition of dopant plays a dominant role in determining a good host material in the field of optics and photonics.

Energy Research Journal
Volume 4 No. 2, 2013, 52-58

DOI: https://doi.org/10.3844/erjsp.2013.52.58

Submitted On: 29 June 2014 Published On: 15 July 2014

How to Cite: Wagh, A., Ajithkumar, M. & Kamath, S. D. (2013). Composition Dependent Structural and Thermal Properties of SM2O3 Doped Zinc Fluoroborate Glasses. Energy Research Journal, 4(2), 52-58. https://doi.org/10.3844/erjsp.2013.52.58

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Keywords

  • Hruby’s Parameter
  • DSC
  • Zinc Fluoroborate
  • Samarium Doped