Abstract
Terbium dioxide is intensively studied in luminescence and magneto optical applications. The fabrication and characterization of diamagnetic glass with composition of xTb2O3 – 30PbO – 60Bi2O3 – (10−x) B2O3 (x=0, 0.1, 0.2, 0.4, 0.5 and 1mol%) is reported. The influence of Tb2O3 on glass forming ability, glass structure and properties has been studied by means of DSC, XRD, Raman, UV–vis/FTIR spectral and Faraday rotation measurement by a home-made optical bench.Due to the high optical basicity and high polarization of host glass, the formation of Tb4+ in 0.1% Tb2O3 doped PBB glass contributes to an improvement on density, refractive index, thermal stability (106°C), optical cutoff wavelength (501nm) and Verdet constant (0.1301min/G·cm).
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