Effect of Nd2O3 addition on structure and characterization of lead bismuth borate glass

I. Kashif, A. Abd El-Maboud, A. Ratep
2014 Results in Physics  
The effect of different contents of Nd 2 O 3 on the thermal transition temperature, density and structure of 25 Bi 2 O 3 -25 PbO -50 B 2 O 3 has been investigated using X-ray diffraction (XRD), differential thermal analysis (DTA), infrared spectrophotometer (FTIR) and optical absorption. The amorphous phase has been identified based on X-ray diffraction analysis. The neodymium oxide plays the role as a glass-modifier and influences on BO 3 M BO 4 conversion. The observed increase in T g with Nd
more » ... 2 O 3 reflects an increase in bond strength. The decrease of the density and the increase of the molar volume with the addition of Nd 2 O 3 contents attributed to an increase in the number of Non-bridging oxygen (NBOS). The optical absorption results are indicating the higher covalency of the Nd-O bond for glass containing 2 mol% of Nd 2 O 3 . In addition, a lowest covalency is observed in glass with 1 mol% Nd 2 O 3 . In addition, it is considered necessary in the construction of compact and efficient laser source.
doi:10.1016/j.rinp.2013.11.002 fatcat:mg6mxnmq7bhdlpbea6uoxqzupi