doped glass
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2022 ◽  
Vol 579 ◽  
pp. 121377
Author(s):  
Hai Lin ◽  
Huijuan Jia ◽  
Lina Zhou ◽  
Na Li ◽  
Bingyan Liu ◽  
...  

2022 ◽  
Vol 20 (2) ◽  
pp. 021603
Author(s):  
Wei Wang ◽  
Qinpeng Chen ◽  
Yifei Zhao ◽  
Yakun Le ◽  
Shengda Ye ◽  
...  

Author(s):  
Wenqing Xie ◽  
Jianghang Cao ◽  
Feifei Huang ◽  
Meiqiang Fan ◽  
Jincheng Du ◽  
...  

Materials ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 117
Author(s):  
Magdalena Lesniak ◽  
Jakub Zeid ◽  
Bartłomiej Starzyk ◽  
Marcin Kochanowicz ◽  
Marta Kuwik ◽  
...  

This study presented an analysis of the TeO2/GeO2 molar ratio in an oxide glass system. A family of melt-quenched glasses with the range of 0–35 mol% of GeO2 has been characterized by using DSC, Raman, MIR, refractive index, PLE, PL spectra, and time-resolved spectral measurements. The increase in the content of germanium oxide caused an increase in the transition temperature but a decrease in the refractive index. The photoluminescence spectra of europium ions were examined under the excitation of 465 nm, corresponding to 7F0 → 5D2 transition. The PSB (phonon sidebands) analysis was carried out to determine the phonon energy of the glass hosts. It was reported that the red (5D0 → 7F2) to orange (5D0 → 7F1) fluorescence intensity ratio for Eu3+ ions decreased from 4.49 (Te0Ge) to 3.33 (Te15Ge) and showed a constant increase from 4.58 (Te20Ge) to 4.88 (Te35Ge). These optical features were explained in structural studies, especially changes in the coordination of [4]Ge to [6]Ge. The most extended lifetime was reported for the Eu3+ doped glass with the highest content of GeO2. This glass was successfully used for the drawing of optical fiber.


2021 ◽  
Vol 274 ◽  
pp. 125157
Author(s):  
M. Monisha ◽  
Vinod Hegde ◽  
Sindhoora Kaniyala Melanthota ◽  
Nirmal Mazumder ◽  
M.I. Sayyed ◽  
...  

2021 ◽  
Vol 122 ◽  
pp. 111754
Author(s):  
Liangchen He ◽  
Dongyu Wang ◽  
Mengjia Chen ◽  
Ruiwang Liu ◽  
Zhongmin Su ◽  
...  

2021 ◽  
pp. 163164
Author(s):  
Yimeng Yan ◽  
Hongbo Zhang ◽  
Honghong Huo ◽  
Tong Wang ◽  
Xiangyu Zou ◽  
...  

2021 ◽  
Vol 2086 (1) ◽  
pp. 012129
Author(s):  
A N Babkina ◽  
M S Kovova ◽  
E V Kulpina ◽  
A S Pavliuk ◽  
K S Zyryanova ◽  
...  

Abstract A series of lithium-germanate glasses with different manganese concentration is synthesized. Li2Ge7O15 nanocrystals nucleate in the glass matrix via standard volume crystallization technique thus obtaining lithium-germanate glass-ceramics. The glass-ceramics possess intense emission near 660-670 nm under two-band excitation at 330 and 450 nm. The luminescence lifetime is 550 μs for 0.05 mol.% MnO2-doped glass-ceramics. The glass-ceramics obtained can be used as a source of deep-red radiation.


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