Journal
CERAMICS INTERNATIONAL
Volume 47, Issue 6, Pages 7602-7607Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2020.11.099
Keywords
Bismuth - Tellurite glass; Metallization criterion; Optical basicity; Electronegativity; Electronic polarizability
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The study investigated the polarizability, optical basicity, and electric susceptibility of Ho3+ doped bismuth-tellurite glasses, revealing their potential applications in the optical field.
The study of polarizability, optical basicity, and electric susceptibility carried out on the new and very rare set of bismuth - tellurite glasses doped with Ho3+ ions were fabricated by the conventional melt quenching process. The non-crystalline nature was confirmed by X-ray diffractometer measurements. Physical properties such as rare earth ion concentration, interionic distance, polaron radius, and average tellurium - tellurium separation were investigated by appropriate formulae. By UV absorption spectra, optical properties of Ho3+ ions doped glasses were found in the wavelength limit from 400 to 700 nm. The optical properties like optical dielectric constant, electronic polarizability, metallization criterion, electronegativity, optical basicity, and electric susceptibility were measured with appropriate mathematical relations. The impact of Ho3+ ions on nonlinearity in optical parameters discloses bismuth tellurite glass as a new applicant for holmium doped fiber amplifier applications.
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