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Article
Spectroscopic, electrical and EPR studies of binary semiconducting oxide glasses containing 50 mol% V2O5
Recent measurements on the V2O5-GeO2 glass system consisting of an equimolar mixture of V2O5 and GeO2 revealed that increase in electrical conductivity of these glasses upon annealing could be attributed to the i...
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Article
Superconducting ceramics: preparation, XRD, SEM and EPR measurements to study the influence of compositional variations on superconductivity of La-(Ba/Sr/Ca)-CuO ceramic systems
A systematic substitution of strontium ions by barium and/or calcium ions in the 21-structure ternary oxide La1.85Sr0.15CuO4−y, considered as the host system in this study, was carried out to produce four- and fi...
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Article
X-ray photoelectron spectroscopy and Fourier transform-infrared studies of transition metal phosphate glasses
X-ray photoelectron spectroscopy and Fourier transform-infrared studies were carried out on phosphate glasses containing oxides of iron, cobalt, nickel, copper and zinc. The results suggest that the glasses co...