Environment of Fe3+ ion and its influence on dielectric and spectroscopic properties of PbO–Nb2O5–P2O5 glasses
PbO–Nb2O5–P2O5 glasses containing different concentrations of Fe2O3 (ranging from 0 to
3mol%) were prepared. A number of studies viz., chemical durability, differential thermal
analysis, spectroscopic (infrared, optical absorption ESR spectra) and dielectric studies
(constant ε′, loss tanδ, AC conductivity σAC over a range of frequency and temperature) of
these glasses have been carried out. The results of these studies have been analyzed in the
light of different oxidation states of iron ions. The analysis indicates that the iron ions (when …
3mol%) were prepared. A number of studies viz., chemical durability, differential thermal
analysis, spectroscopic (infrared, optical absorption ESR spectra) and dielectric studies
(constant ε′, loss tanδ, AC conductivity σAC over a range of frequency and temperature) of
these glasses have been carried out. The results of these studies have been analyzed in the
light of different oxidation states of iron ions. The analysis indicates that the iron ions (when …
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