以Y2O3、Gd2O3和Al2O3为原料,利用固相合成法在1600 ℃下合成了具有石榴石结构的YxGd3-xAl5O12材料,其中x=1,1.5,2,3.采用XRD对合成产物的物相组成以及合成机理进行了分析表征.结果表明:合成产物的晶面间距随x值的增大而减小,在固相合成反应过程中生成了中间相Y4Al2O9和GdAlO3.
参考文献
| [1] | Padture N P;Klemens P G .[J].Journal of the American Ceramic Society,1997,80(04):1018. |
| [2] | Su Y J;Trice R W;Faber K T et al.[J].Oxidation of Metals,2004,61(3-4):253. |
| [3] | Choe JY.;Blomquist SM.;Kirchner KW.;Forsythe EW. Morton DC.;Ravichandran D. .Cathodoluminescence study of novel sol-gel derived Y3-xAl5O12 : Tb-x phosphors[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2001(2):119-128. |
| [4] | Xia GD;Zhou SM;Zhang JJ;Wang SM;Wang H;Xu J .Sol-gel combustion synthesis and luminescence Of Y4Al2O9 : Eu3+ nanocrystal[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,2005(37/39):2979-2982. |
| [5] | Mathur S;Shen H;Veith M;Rapalaviciute R;Agne T .Structural and optical properties of highly Nd-doped yttrium aluminum garnet ceramics from alkoxide and glycolate precursors[J].Journal of the American Ceramic Society,2006(6):2027-2033. |
| [6] | Zhang J J;Ning J W;Liu X J et al.[J].Materials Research Bulletin,2003,38:1249. |
| [7] | 张旭东,徐国纲,王继扬,刘宏.固相反应合成Nd：YAG及其性能表征[J].稀有金属材料与工程,2005(z1):59-61. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%