Journal of Thermal Analysis and Calorimetry

, Volume 87, Issue 2, pp 365–369 | Cite as

Sodium and silver phosphate glasses doped with chlorides of Fe, Mn and Zn

DSC study
  • S. S. Das
  • V. Srivastava


A number of samples of sodium and silver phosphate glasses doped with various compositions of some transition metals viz. iron, manganese and zinc chlorides alongwith undoped samples of sodium and silver phosphate glasses were synthesized and characterized by X-ray diffraction, IR spectral, electrical conductivity and differential scanning calorimetry (DSC). The glass transition temperature (T g) and crystallization temperature (T c) values obtained from DSC curves were found to increase with increasing concentration of the dopant Fe/Mn/Zn chlorides in both sodium and silver phosphate glasses and the following sequence is observed:

T g(–FeCl3)>T g(–MnCl2)>T g(–ZnCl2)

T c(–FeCl3)>T c(–MnCl2)>T c(–ZnCl2)

The increase in T g and T c values indicate enhanced chemical durability of the doped glasses. The electrical conductivity values and the results of FTIR spectral studies have been correlated with the structural changes in the glass matrix by the addition of different transition metal cations as dopants.


Tg and Tc values 


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  1. 1.Department of ChemistryD.D.U. Gorakhpur UniversityGorakhpurIndia

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