采用熔融急冷法制备了系列Dy3+掺杂的70GeS2-10Ga2S3-5Sb2S3-10CsI硫卤玻璃样品.测试了样品的可见-近红外和红外透过光谱,分析了Dy3+的光谱吸收及杂质吸收.测试了样品的DTA曲线,分析了样品的热学特性.利用修正Kissinger方程分析了玻璃转变活化能Et、析晶活化能Ec,根据Johnson-Mehl-Avrami方法计算了结晶动力学参数n.研究结果表明:随着Dy3+掺杂浓度的增加,玻璃吸收光谱增强,转变活化能和析晶活化能先增加后减小,x=0.3wt%的玻璃样品最稳定.析晶过程中为两维晶体生长.
参考文献
| [1] | Zakery A.;Elliott SR. .Optical properties and applications of chalcogenide glasses: a review [Review][J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(1/3):1-12. |
| [2] | Woon Jin Chung;Hong Seok Seo;Bong Je Park;Joon Tae Ahn;Yong Gyu Choi .Selenide Glass Optical Fiber Doped with Pr~(3+) for U-Band Optical Amplifier[J].ETRI journal,2005(4):411-417. |
| [3] | Lee DJ.;Heo J.;Park SH. .Energy transfer and 1.48 mu m emission properties in chalcohalide glasses doped with Tm3+ and Tb3+[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(1/3):184-189. |
| [4] | Yong Gyu Choi;Kyong Hon Kim;Se Ho Park .Comparative study of energy transfers from Er~(3+) to Ce~(3+) in tellurite and sulfide glasses under 980 nm excitation[J].Journal of Applied Physics,2000(7):3832-3839. |
| [5] | 陈国荣;程继健.高纯透红外硫系玻璃材料的制备[J].硅酸盐通报,1997(04):63-69. |
| [6] | Choi YG;Song JH;Shin YB;Heo J .Chemical characteristics of Dy-S bonds in Ge-As-S glass[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2007(16/17):1665-1669. |
| [7] | Zhao D H;Xia F;Wang H.Properties of Dy3+-doped Ge-Ga-Se chalcogenide glssses[J].Journal of the Chinese Ceramic Society,2005(33):639-643. |
| [8] | Ivanova, ZG;Cernoskova, E;Cernosek, Z;Vlcek, M .Features in the photoluminescence line-shape of heavily Er-doped Ge-S-Ga glasses[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2009(37/42):1873-1876. |
| [9] | Yong Gyu Choi .Enhancing fluorescence emission properties of Dy~(3+)doped in chalcogenide glass via very small compositional modifications[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2009(6):620-623. |
| [10] | Cunming Liu;Gao Tang;Lan Luo .Effect of CsI addition on the thermal properties, crystallization kinetics and short-wavelength absorption edges of GeSe_2-Ga_2Se_3 glasses[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):468-472. |
| [11] | 顾少轩,胡海平,赵修建.CdS掺杂Ge-Ga-S玻璃XPS研究[J].硅酸盐通报,2006(01):69-71. |
| [12] | 蒲永平,宁叔帆,陈维,陈寿田.Dy2O3掺杂对BaTiO3陶瓷结构与性能的影响[J].西安交通大学学报,2004(04):424-427. |
| [13] | Kissinger H E.Variation of peak temperature with heating rate in differential thermal analysis[J].Journal of Research of the National Bureau of Standards,1956(57):331-336. |
| [14] | 杨秋红;姜中宏.氟锆酸盐玻璃析晶动力学研究[J].无机材料学报,1995(10):17-22. |
| [15] | Yang Q H;Jiang Z H.The study of criterion for glass crystallization kinetics[J].Journal of the Chinese Ceramic Society,2005(33):639-643. |
| [16] | Matusita K;Komatsu T;Yokota R.Kinetics of non-isothermal crystallization process and activation energy for crystal growth in amorphous materials[J].Journal of Materials Science,1983(19):291-296. |
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