Elastic properties of boro-tellurite glasses doped with europium oxide


  • Chinnappareddy DEVARAJA Department of Physics, Sapthagiri College of Engineering, Bengaluru -560057, Karnataka, India.
  • G V Jagadeesha GOWDA Department of Physics, Sapthagiri College of Engineering, Bengaluru -560057, Karnataka, India.
  • Bheemaiah ERAIAH Department of Physics, Bangalore University, Bengaluru-560056, Karnataka, India.
  • G K Narasihma MURTHY Department of Physics, Bangalore Institute of Technology, Bengaluru, Karnataka, India.




Elastic modulus, Microhardness, Thermal expansion coefficient, Acoustic impedance, Fractional bond connectivity


The glass series of xEu2O3-5PbO-25TeO2-(70-x) B2O3, where x=0.1 mol% to 0.6 mol% were prepared by employing the conventional melt quenching method. The non-crystallinity of prepared BTE glasses was examined by the X-ray diffraction method. The very important mechanical properties such as elastic moduli, Debye temperature, Poisson’s ratio, fractional bond connectivity, softening temperature, acoustic impedance, and the thermal expansion coefficient of the BTE glasses have been studied by measuring ultrasonic velocity. The experimental results indicate that the calculated parameters strongly depend on increasing Eu2O3 concentration. The elastic moduli of the prepared samples were found to decrease with Eu2O3 concentration and this increases the discontinuity in the glass network.


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How to Cite

C. DEVARAJA, G. V. J. GOWDA, B. ERAIAH, and G. K. N. MURTHY, “Elastic properties of boro-tellurite glasses doped with europium oxide”, J Met Mater Miner, vol. 32, no. 2, pp. 56–62, Jun. 2022.



Original Research Articles