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Effects of the replacing content of ZnBr_2 on the properties of ZnO-B_2O_3-SiO_2:Mn~(2+) glass-ceramics

机译:ZnBr_2的取代量对ZnO-B_2O_3-SiO_2:Mn〜(2+)微晶玻璃性能的影响

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摘要

ZnBr_2-doped ZnO-B_2O_3-SiO_2:Mn~(2+) (ZBSM) optical-storage glass-ceramics were successfully prepared by a sol-gel method. The crystalline phase and microstructure of ZBSM were analyzed by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and energy dispersive spectroscopy. The addition of ZnBr_2 influenced the crystallization of the ZBSM glass-ceramics. Moreover, the effects of ZnBr_2 additive on the preparation of glass-ceramics were analyzed by differential scanning calorimetry. The optical storage properties of the samples were investigated by photoluminescence spectroscopy, long-lasting phosphor (LLP) decay curves, and thermoluminescence (TL) spectroscopy. The LLP decay curves show that the lower phonon energy of Br~- ions generates more stable metastable energy. The TL spectra and Gaussian fitting indicate that the sample with 20 mol% ZnBr_2 content exhibited the best performance.
机译:通过溶胶-凝胶法成功地制备了ZnBr_2掺杂的ZnO-B_2O_3-SiO_2:Mn〜(2 +)(ZBSM)光存储玻璃陶瓷。通过X射线衍射,傅立叶变换红外光谱,扫描电子显微镜和能量色散光谱分析了ZBSM的晶相和微观结构。 ZnBr_2的加入影响了ZBSM玻璃陶瓷的结晶。此外,通过差示扫描量热法分析了ZnBr_2添加剂对微晶玻璃制备的影响。通过光致发光光谱,长效磷光体(LLP)衰减曲线和热致发光(TL)光谱研究了样品的光学存储特性。 LLP衰减曲线表明,Br〜-离子的较低声子能产生更稳定的亚稳态能。 TL光谱和高斯拟合表明,具有20mol%ZnBr_2含量的样品表现出最佳性能。

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