Formation of lead pyrophosphate glass and the role of anion disproportionation |
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| Authors: | S Ananthraj and K J Rao |
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| Institution: | (1) Materials Research Centre, Indian Institute of Science, 560 012 Bangalore, India;(2) Department of Chemistry, Central College, Bangalore University, 560 001 Bangalore, India |
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| Abstract: | Thermal, spectroscopic and electrical properties of lead pyrophosphate glass prepared by melt quenching have been examined.
A model based on the structural disproportionation of the P2O
7
4−
ions has been proposed and is shown to consistently explain all the observations. The equilibrium of various anionic species
has been discussed on the basis of their electronegativities which are in turn related to their basicities.
Communication No. 129 from the Materials Research Centre |
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| Keywords: | Pb2P2O7 glass anion disproportionation molecular electronegativities |
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