Copper ion as a structural probe in lead bismuth arsenate glasses by means of dielectric and spectroscopic studies

PbO–Bi 2O 3–As 2O 3 glasses mixed with different concentrations of CuO (ranging from 0 to 0.6 mol%) were prepared. Dielectric properties (viz., dielectric constant ε′, loss tan δ and a.c. conductivity σ ac ) over a wide range of frequency and temperature as a function of concentration of CuO have be...

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