本文研究了熔制气氛对Ce3激活Li2O-Al2O3-SiO2闪烁玻璃发光性能的影响,同时采用XPS能谱研究了不同熔制气氛下制备的闪烁玻璃Ce3+/Ce4+价态变化情况,结果表明:Ce3+激活的Li2O-Al2O3-SiO2闪烁玻璃中,Ce离子以Ce3+与Ce4+两种价态存在,随着熔制气氛还原性的增强,Ce3+相对含量增加,闪烁玻璃发光强度随之增强;玻璃配合料中适量还原剂c粉的引入对闪烁玻璃的熔制具有积极作用,Si粉与铝粉由于还原性太强,引入会造成色心的产生.
参考文献
| [1] | Jiang C.;Deng PZ.;Zhang JZ.;Gan FX. .Radioluminescence of Ce3+-doped B2O3-SiO2-Gd2O3-BaO glass[J].Physics Letters, A,2004(3/4):323-328. |
| [2] | Nikl M.;Mihokova E.;Solovieva N.;Mares JA.;Fabeni P.;Pazzi GP.;Martini M.;Vedda A.;Baccaro S.;Nitsch K. .Efficient radioluminescence of the Ce3+-doped Na-Gd phosphate glasses[J].Applied physics letters,2000(14):2159-2161. |
| [3] | 陈国荣,BACCARO S,聂佳相,张永辉,杜永娟,CECILIA A,汪山.稀土离子（Ce3+,Tb3+, Pr3+）掺杂重金属锗酸盐玻璃的光谱透过及抗辐射性能[J].硅酸盐学报,2003(07):673-677. |
| [4] | Baccaro S.;Fabeni P.;Martini M.;Mares JA.;Meinardi F. Nikl M.;Nitsch K.;Pazzi GP.;Polato P.;Susini C.;Vedda A.;Zanella G. Zannoni R.;Dall'Igna R. .Ce3+ or Tb3+-doped phosphate and silicate scintillating glasses[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):673-675. |
| [5] | Jiang C.;Deng PZ.;Zhang JZ.;Gan FX. .Radioluminescence of Ce3+-doped B2O3-SiO2-Gd2O3-BaO glass[J].Physics Letters, A,2004(3/4):323-328. |
| [6] | 贝家芳,钱顾杰,梁晓峦,张俊标,杨云霞,陈国荣.三价铈离子掺杂锗酸盐玻璃的发光性能[J].硅酸盐学报,2006(07):827-830,841. |
| [7] | 谢康,赵修建,周永恒,顾真安.Co/Ce共掺杂高硅氧玻璃的制备和光谱性能[J].硅酸盐学报,2001(05):496-499. |
| [8] | CHAI Chunlin,Yang Shaoyan,LIU Zhikai,LIAO Meiyong,CHEN Nuofu,WANG Zhanguo.The PL "violet shift" of cerium dioxide on silicon[J].科学通报(英文版),2001(24):2046-2048. |
| [9] | Mullins DR.;Huntley DR.;Overbury SH. .Electron spectroscopy of single crystal and polycrystalline cerium oxide surfaces[J].Surface Science: A Journal Devoted to the Physics and Chemistry of Interfaces,1998(2):307-319. |
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