以六次甲基四胺为沉淀剂,研究了不同液相反应温度、陈化时间、洗涤方式及煅烧温度对超细氧化钪粉体性能的影响.在液相反应温度为20和80℃均合成出絮状的前驱沉淀物,前躯体的晶化程度和煅烧产物的粒度均随着反应温度的提高而增加.在陈化溶液环境中,随着陈化时间的增加,粒子逐渐均匀长大.只用水洗涤的粉体产生了轻微团聚的现象,经水-无水乙醇洗涤的粉体分散性得到改善,而用水-无水乙醇-丙酮洗涤的颗粒分散更好.煅烧产物的尺寸随着煅烧温度的提高而增加.
参考文献
[1] | Li J G;Ikegami T;Mori T;Yajima Y .Sc2O3 nanopowders via hydroxyl precipitation:Effects of sulfate ions on powder properties[J].Journal of the American Ceramic Society,2004,87(06):1008. |
[2] | Ji-Guang Li;Takayasu Ikegami;Toshiyuki Mori .Fabrication of Transparent, Sintered Sc_2O_3 Ceramics[J].Journal of the American Ceramic Society,2005(4):817-821. |
[3] | Kuck S.;Mix E.;Huber G.;Fornasiero L. .Spectroscopic properties of Cr-doped Sc2O3[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):1122-1125. |
[4] | Fornasiero L.;Peters V.;Petermann K.;Huber G.;Mix E. .New oxide crystals for solid state lasers[J].Crystal Research and Technology: Journal of Experimental and Industrial Crystallography,1999(2):255-260. |
[5] | Kaminskii A A;Bagaev S N;Ueda K;Takaichi K Lu J Shirakawa A Yagi H Yanagitani T Eichier H J Rhee H .Observation stimulated Raman scattering in nanocrystalline Sc2O3ceramics Laser[J].Physics Letters A,2005,2(01):30. |
[6] | Lupei V;Lupei A;Ikesue A .Transparent Nd and (Nd, Yb)-doped Sc2O3 ceramics as potential new laser materials[J].Applied physics letters,2005(11):1118-1-1118-3-0. |
[7] | Ji-Guang Li;Takayasu Ikegami;Toshiyuki Mori .Fabrication of transparent Sc_2O_3 ceramics with powders thermally pyrolyzed from sulfate[J].Journal of Materials Research,2003(8):1816-1822. |
[8] | Lupei, A;Lupei, V;Gheorghe, C;Ikesue, A .Excited states dynamics of Er3+ in Sc2O3 ceramic[J].Journal of Luminescence,2008(5-6):918-920. |
[9] | Gheorghe C;Georgescu S;Lupei V;Lupei A;Ikesue A .Absorption intensities and emission cross section of Er3+ in Sc2O3 transparent ceramics[J].Journal of Applied Physics,2008(8):83116-1-83116-5-0. |
[10] | Longuet L;Bravo A C;Autissier D;Vissie P Longuet J L Lambert S .Preparation of Yb-doped Sc2O3 transparent ceramics for laser applications[J].Materials Research Society,2009,1111:161. |
[11] | Y. Wang;B. Lu;X. Sun .Synthesis of nanocrystalline Sc_2O_3 powder and fabrication of transparent Sc_2O_3 ceramics[J].Advances in Applied Ceramics,2011(2):95-98. |
[12] | 王毅,孙旭东,徐鸿.均匀沉淀法制备Sc2O3纳米粉[J].功能材料,2007(06):1007-1008,1012. |
[13] | T.Ikegami;T.Mori .Fabrication of transparent yttria ceramics through the synthesis of yttrium hydroxide at low temperature and doping by sulfate ions[J].日本セラミックス协会学术论文志,1999(3):297-299. |
[14] | Rhodes W H .Transparent yttria ceramics and method for producing same[P].United States Patent:4115134,1978. |
[15] | 闻雷 .Y<,2>O<,3>和YAG纳米粉及透明陶瓷制备研究[D].东北大学,2003. |
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%