期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 574, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2021.121165
关键词
Tb3+ ions doping; Verdet constant; Magneto-optical glass; Luminescence properties
资金
- Government Funded Projects [6141B012822, 6141B012823]
- Jilin Provincial Department of Education [JJKH20200758KJ, JJKH20200761KJ, 201801060014]
Paramagnetic GeO2-B2O3-P2O5-ZnO (GBPZ) magneto-optical glass doped with different concentrations of Tb3+ ions was successfully prepared, showing excellent magneto-optical properties and high Verdet constant. The strong green emission and theoretical analysis further demonstrate the potential applications of GBPZ glass in the field of optics.
Paramagnetic GeO2-B2O3-P2O5-ZnO (GBPZ) magneto-optical glass doped with different concentration of Tb3+ ions (20-45 mol%) was successfully prepared by high-temperature melting quenching technology. The effects of different concentrations of Tb3+ ions on the structure, magneto-optical properties and luminescence properties of GBPZ glass system were studied. Through theoretical calculation, the effective doping concentration, molar volume, oxygen packing density and theoretical optical alkalinity of Tb3+ ions in the glass were obtained and analyzed the effect of these parameters on the Verdet constant. It is worth noting that the GBPZ glass samples exhibit excellent magneto-optical properties, especially the Verdet constant value of the glass sample with Tb3+ ions doping concentration of 45 mol% reaches -168.55 rad/(T.m) at the incident light wavelength of 633 nm, which is significantly higher than the Verdet constant (-134 rad/(T.m)) of the commercially available terbium gallium garnet crystal, and the strong green emission located at 544 nm observed from the sample will contribute to GBPZ magneto-optical glass in optical field of application.
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