摘要
通过化学分析，ＩＣＰ－ＡＥＳ，ＸＲＤ，ＳＥＭ，平均粒度测定等手段研究了草酸盐共沉淀法制备掺杂ＳｒＴｉＯ３微粉的工艺参数对微粉粒度的影响，在混合盐浓度为０．９￣１．０ｍｏｌ／Ｌ，反尖时间４５ｍｉｎ左右，ｐＨ值１．５￣３．５，添加适量活性剂制得的沉淀物于９００℃热分解１．５ｈｒ所得超细粉粒度为０．３５￣０．５０μｍ，Ｙ的掺入量为０．３０￣０．５０％（ｍｏｌ）。
The effect of the conditions which exist in the preparation of ultrafine SrTiO3powder on the size of the fine powder is studied by means of chemical analysis,ICP-AES, XRD, SEM, etc. On the condition of salt concentration 0.90~1.00mol/L, PH 1.5~ 3.5 and about 45 min, reacting time, ultrafine powder can beacquired which average size is 0.35 ~ 0.50μ m and the doping amount of donor is 0.30~ 0.50mol%.
出处
《南方冶金学院学报》
1998年第3期207-211,共5页
Journal of Southern Institute of Metallurgy
关键词
钛酸锶
施主掺杂
超细粉
草酸盐共沉淀法
SrTiO_3, Ultrafine powder, Donor doping, Oxalate-coprecipitation.
