采用微波水热法合成了纳米晶钛酸锶钡(Ba0.5Sr0.5TiO3)粉体,通过XRD、TEM、SEM等分析手段表征粉体,研究了微波水热合成反应温度、时间和前驱物浓度对反应产物形貌、粒度的影响,获得了制备纳米晶钛酸锶钡粉体的最优工艺参数.实验结果表明:在微波水热反应温度为195℃、反应时间20～30min、前驱物浓度为0.16mol/L时获得的粉体粒径小而且均匀,粉体平均粒度为60nm.
参考文献
| [1] | Y. B. Khollam;S. V. Bhoraskar;S. B. Deshpande .Simple chemical route for the quantitative precipitation of barium-strontium titanyl oxalate precursor leading to Ba_(1-x)Sr_xTiO_3 powders[J].Materials Letters,2003(13/14):1871-1879. |
| [2] | Wen Yang;Aimin Chang;Bangchao et al.Preparation If Barium Strontium Titanate Ceramic by Sol-Gel Method and Microwave Sintering[J].Journal of Materials Synthesis and Processing,2002,10(06):303-309. |
| [3] | J. R. Huang;Z. X. Xiong;C. Fang .Hydrothermal synthesis of Ba_2Ti_9O_(20) nano-powder for microwave ceramics[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2003(1/3):226-229. |
| [4] | C. Huber;C. Elissalde;V. Hornebecq .Nano-ferroelectric based core-shell particles: towards tuning of dielectric properties[J].Ceramics International,2004(7):1241-1245. |
| [5] | O.P. Thakur;Chandra Prakash;D.K. Agrawal .Microwave synthesis and sintering of Ba_(0.95)Sr_(0.05)TiO_3[J].Materials Letters,2002(6):970-973. |
| [6] | 施尔畏;夏长泰;王步国 等.水热法的应用与发展[J].无机材料学报,1996,11(02):193-206. |
| [7] | Shi-Fang Liu;Isaac Robin Abothu;Sridhar Komarneni .Barium titanate ceramics prepared from conventional and microwave hydrothermal powders[J].Materials Letters,1999(5):344-350. |
| [8] | 施尔畏;夏长泰;仲维卓 等.水热条件下钛酸钡粉体晶粒形成机理[J].硅酸盐学报,1996,2(01):24. |
| [9] | Guang J. Choi;Hyun S. Kim;Young S. Cho .BiTiO_3 particles prepared by microwave-assisted hydrothermal reaction using titanium acylate precuresors[J].Materials Letters,1999(3):122-127. |
| [10] | S.B. Deshpande;Y.B. Khollam;S.V. Bhoraskar .Synthesis and characterization of microwave-hydrothermally derived Ba_(1-x)Sr_xTiO_3 powders[J].Materials Letters,2005(2/3):293-296. |
| [11] | 金钦汉;戴树珊;黄卡玛.微波化学[M].北京:科学出版社,1999 |
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%