采用熔融法制备了稀土掺杂碲酸盐氧卤玻璃.通过DTA对玻璃稳定性进行分析,采用Kissinger法计算了不同卤化物玻璃的析晶活化能,应用J-O理论计算了稀土离子在玻璃中的谱线参量(Ω,t=2,4,6)、荧光寿命、吸收截面、受激发射截面及各项荧光性能参数.研究了稀土离子在不同氧卤玻璃中的溶解度、荧光淬灭浓度及在可见-红外范围的荧光光谱.结果表明,玻璃中ZnF2含量越高可见-红外的荧光强度增强越明显,然
Er3+-doped fluorozirconate and oxyfluoroaluminate glasses are prepared, which exhibit significant superiority because low temperature of glass transition and bad resistance to water corrosion of ZrF4-
Lead-nanoparticles-doped Na2O-B2O3-SiO2 (NBS) glass was prepared by sol-gel and atmosphere control methods.The formation mechanism and the microstructure of the specimens were investigated by differen
ECR玻璃纤维因其具有良好的电绝缘性能和介电性能，通常作为电绝缘材料、雷达罩透波材料等被广泛应用在电气工业中，因此，调整玻璃纤维氧化物组分使其电导率达到最低显得尤为重要。论文采用红外光谱、拉曼光谱、XRD、电学性能测试等手段研究不同ZnO、TiO2含量ECR玻璃熔块的结构及电导率，探讨ZnO、TiO2对玻璃结构和性能的影响，从玻璃结构的角度揭示玻璃电学性能变化的原因，弄清ZnO和TiO2的加入量对
Transparent glass ceramics containing ZnO nanocrystals undoped and doped with Eu3+ were prepared by the heat treatment of the precursor alumino zinc silicate (AZS) glasses at 750 ℃C for different time
2.0μm emission property of a new germanate-tellurite glass with Ho3+/yb3+codoping is synthesized and analyzed.Efficient 2.0μm emission of Ho3+ ions sensitized by Yb3+ ions from the host glass was obse
We report the preparation of uniform spherical shape silver nanocrystals doped sodium borosilicate monolithic transparent glass by sol-gel method.The characterization of the resulting Ag nanocrystals
A wide variety of activation ions have been used as near infrared (NIR) luminescent centres.However, when it comes to persistent luminescence, the numbers of known activators are relatively low.Here,
Based on the sintering of ytterbium doped nanoporous glass, a non-chemical-vapor-deposition process is proposed for the preparation of the active silica glass that aims for the fabrication of large mo
The 1.8 μm emission properties of Tm3+-doped zinc tellurite glasses modified by the substitution of ZnF2 are investigated in this paper.The thermal stability, Raman and phonon sideband spectra, transm