欢迎登录材料期刊网

材料期刊网

高级检索

以NH4Al(SO4)2·12H2O,Y(NO3)3·5H2O,Nd(NO3)3·5H2O为原料,碳酸氢铵为沉淀剂,研究了共沉淀法制备Nd:YAG纳米粉体过程中陈化时间对粉体性能的影响.采用pH计,FT-IR,XRD和TEM测试手段对其进行表征.陈化过程中PH值先减小后增大,XRD曲线显示共沉淀法中不同陈化时间都能得到纯相粉体,而24h所得粉体最好,粉体TEM图谱表明陈化24h所得到的粉体粒径更小,分散性较其他粉体更好.结果表明:共沉淀法制备Nd:YAG纳米粉体过程中陈化时间不影响纯相粉体的制得,但对粉体粒径大小及分布和团聚程度有直接的影响.陈化24h的粉体颗粒最小并且均匀,团聚很少.

参考文献

[1] FRENCH J D;ZHAO J;HARMER et al.Creep of duplex microstructures[J].Journal of the American Ceramic Society,1994,77:2857-2865.
[2] Veith M;Kareiva A;Jilavi M;Zimmer M;Huch V;Mathur S .Low temperature synthesis of nanocrystalline Y sub 3 Al sub 5 O sub 12 (YAG) and Ce-doped Y sub 3 Al sub 5 O sub 12 via different sol-gel methods[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,1999(12):3069-3079.
[3] SIM S M;KELLER K A .[J].Journal of Materials Science,2000,35:713.
[4] LI JI-GUANG;IKEGAMI T;LEE J H et al.[J].Journal of the European Ceramic Society,2000,20:2395.
[5] HRENIAK D;STREK W .[J].Journal of Alloys and Compounds,2002,341:183.
[6] HAKUTA Y et al.[J].Journal of Materials Chemistry,1999,9:2671.
[7] BOCQUET J F;CHHOR K .[J].Materials Chemistry and Physics,1999,57:273.
[8] PAOLA PALMERO;CLAUDE ESNOUT;LAURA MONTANARO et al.Influence of the co-precipitation temperature on phase evolution in yttrium-aluminium oxide materials[J].Journal of the European Ceramic Society,2005,25:1565-1573.
[9] MA Benyuan,LU Tiecheng,XIAO Shuxing,WEI Nian,QI Jianqi,LU Zhongwen,ZHANG Wei,LI Feng,XU Xuezhen.Preparation of YAG Powder by Co-Precipitation Method in a Narrow pH-Change Environment[J].武汉理工大学学报(材料科学版)(英文版),2010(03):379-383.
[10] Xiaolin Zhang;Duo Liu;Yuanhua Sang;Hong Liu;Jiyang Wang .Effects of aging on the characteristics of Nd:YAG nano-powders[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(1):206-210.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%