The eminence of copper ions on optical, electrical properties and morphology of B2O3-Bi2O3-Al2O3-MgO glasses
Source abstract
Abstract
Abstract The multi-component glass system 65B2O3-20Bi2O3-10Al2O3-(5-x)MgO-xCuO (0 ≤ x ≤ 1 mol%, x = 0, 0.1, 0.5, 1) was fabricated by the melt quench mechanism. The optical, electrical and structural features of the work-pieces were examined. X-ray diffraction (XRD) approved the amorphous nature of specimens. Fourier transform infrared (FTIR) studies disclosed the bands owing to traditional borate and bismuth groups. Electron spin resonance (ESR) and emission spectra promoted divalent state of copper ions in the work-models. Investigations on optical absorption studies revealed gradual decrease in optical band gap of glasses with a rise in the content of CuO. The dielectric parameters of the glasses (dielectric constant, e′, a.c. conductivity, σac, loss, tanδ) were estimated in a frequency scale 103 to 106 Hz by varying the temperature from 30 to 300 °C. Dielectric studies authenticated the highest conductivity of sample doped with 1 mol% of CuO.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Nuclear materials and radiation effects
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