Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal
Rare-earth-doped bismuth silicate (Bi<sub>4</sub>Si<sub>3</sub>O<sub>12</sub>, BSO) crystal is a multifunctional material for scintillation, LED, and laser applications. In the present study, Er<sup>3+</sup> and Yb<sup>3+</sup> ions co-dope...
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MDPI AG
2022-10-01
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| author | Yan Zhang Shucheng Hu Tian Tian Xuefeng Xiao Yuanzhi Chen Yan Zhang Jiayue Xu |
| author_facet | Yan Zhang Shucheng Hu Tian Tian Xuefeng Xiao Yuanzhi Chen Yan Zhang Jiayue Xu |
| author_sort | Yan Zhang |
| collection | DOAJ |
| description | Rare-earth-doped bismuth silicate (Bi<sub>4</sub>Si<sub>3</sub>O<sub>12</sub>, BSO) crystal is a multifunctional material for scintillation, LED, and laser applications. In the present study, Er<sup>3+</sup> and Yb<sup>3+</sup> ions co-doped bismuth silicate crystals were grown by a modified vertical Bridgman method, and their spectral properties were investigated for the first time. Transparent Er/Yb: BSO single crystal up to Φ 25 mm × 30 mm was obtained. The segregation coefficient of the Er/Yb: BSO crystal was measured to be 0.96 for Er<sup>3+</sup> ions and 0.91 for Yb<sup>3+</sup> ions. Absorption and fluorescence spectra had been recorded in the range of 200–1700 nm. The absorption cross section was calculated to be 6.96 × 10<sup>−20</sup> cm<sup>2</sup> at 976 nm with the full width at half maximum (FWHM) of 8 nm, and the emission cross section was 0.9771 × 10<sup>−20</sup> cm<sup>2</sup> at 1543 nm with FWHM of 16 nm. The fluorescence decay curve was measured at 976 nm excitation. By linear fitting, the fluorescence lifetime of the upper <sup>4</sup>I<sub>13/2</sub> level of Er<sup>3+</sup> was 8.464 ms at room temperature. Compared with Er<sup>3</sup><sup>+</sup> ion-doped bismuth silicate crystal (Er: BSO), the Er/Yb: BSO crystal has a wider FWHM and larger absorption cross section. The results indicate that the Er/Yb: BSO crystal is a potential lasing crystal. |
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| spelling | doaj.art-8a4d08f343ae476b81973995104b192f2023-11-24T04:14:42ZengMDPI AGCrystals2073-43522022-10-011211153210.3390/cryst12111532Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single CrystalYan Zhang0Shucheng Hu1Tian Tian2Xuefeng Xiao3Yuanzhi Chen4Yan Zhang5Jiayue Xu6Institute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaInstitute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaInstitute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaKey Laboratory of Physics and Photoelectric Information Functional Materials Sciences and Technology, North Minzu University, 204 Wenchang Road, Yinchuan 750021, ChinaInstitute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaInstitute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaInstitute of Crystal Growth, School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, ChinaRare-earth-doped bismuth silicate (Bi<sub>4</sub>Si<sub>3</sub>O<sub>12</sub>, BSO) crystal is a multifunctional material for scintillation, LED, and laser applications. In the present study, Er<sup>3+</sup> and Yb<sup>3+</sup> ions co-doped bismuth silicate crystals were grown by a modified vertical Bridgman method, and their spectral properties were investigated for the first time. Transparent Er/Yb: BSO single crystal up to Φ 25 mm × 30 mm was obtained. The segregation coefficient of the Er/Yb: BSO crystal was measured to be 0.96 for Er<sup>3+</sup> ions and 0.91 for Yb<sup>3+</sup> ions. Absorption and fluorescence spectra had been recorded in the range of 200–1700 nm. The absorption cross section was calculated to be 6.96 × 10<sup>−20</sup> cm<sup>2</sup> at 976 nm with the full width at half maximum (FWHM) of 8 nm, and the emission cross section was 0.9771 × 10<sup>−20</sup> cm<sup>2</sup> at 1543 nm with FWHM of 16 nm. The fluorescence decay curve was measured at 976 nm excitation. By linear fitting, the fluorescence lifetime of the upper <sup>4</sup>I<sub>13/2</sub> level of Er<sup>3+</sup> was 8.464 ms at room temperature. Compared with Er<sup>3</sup><sup>+</sup> ion-doped bismuth silicate crystal (Er: BSO), the Er/Yb: BSO crystal has a wider FWHM and larger absorption cross section. The results indicate that the Er/Yb: BSO crystal is a potential lasing crystal.https://www.mdpi.com/2073-4352/12/11/1532Er<sup>3+</sup>-Yb<sup>3+</sup> co-dopedbismuth silicatecrystal growthspectral properties |
| spellingShingle | Yan Zhang Shucheng Hu Tian Tian Xuefeng Xiao Yuanzhi Chen Yan Zhang Jiayue Xu Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal Crystals Er<sup>3+</sup>-Yb<sup>3+</sup> co-doped bismuth silicate crystal growth spectral properties |
| title | Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal |
| title_full | Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal |
| title_fullStr | Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal |
| title_full_unstemmed | Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal |
| title_short | Growth and Spectral Properties of Er<sup>3+</sup> and Yb<sup>3+</sup> Co-Doped Bismuth Silicate Single Crystal |
| title_sort | growth and spectral properties of er sup 3 sup and yb sup 3 sup co doped bismuth silicate single crystal |
| topic | Er<sup>3+</sup>-Yb<sup>3+</sup> co-doped bismuth silicate crystal growth spectral properties |
| url | https://www.mdpi.com/2073-4352/12/11/1532 |
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