以氯化钡、氯化锶和四氯化钛为原料,在190℃下反应10h合成了平均粒径为80nm左右的立方相Ba0.6Sr0.4 TiO3粉体.粉体粒度均一,团聚少,纯度高,杂质离子少.用X射线衍射(XRD)、扫描电子显微镜(SEM)、X射线荧光光谱议(XRF)等分析方法对合成粉体的物相、形貌和组成进行了表征,并研究了初始配比、矿化剂KOH过量浓度、水热时间和温度等条件对合成Ba0.6Sr0.4 TiO3粉体的影响.
参考文献
| [1] | 陈宏伟 .BST非线性铁电薄膜材料研究[D].电子科技大学,2005. |
| [2] | 王祥铭 .应用于Giga-bit纳米级DRAM的BST高介电薄膜研究[D].台湾:国立云林科技大学,2004. |
| [3] | Shiibashi H;Matsuda H;Kuwabara M .Low-temperature preparation of(Ba,Sr)TiO3 perovskite phase by sol-gel method[J].Journal of Sol-Gel Science and Technology,1999,16:129. |
| [4] | Huang Xinyou;Zhao Chen;Chen Zhigang .Influence of Composition on Properties of Medium Temperature Sintering (Ba, Sr)TiO_3 Series Capacitor Ceramics[J].Journal of Rare Earths,2006(6):777-781. |
| [5] | Kongtaweelert S;Sinclair D C;Panichphant S .Phase and morphology investigation of Bax Sr1-xTiO3(x=0.6,0.7 and 0.8)powders[J].Current Applied Physics,2006,6:474. |
| [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. |
| [7] | 苗鸿雁,周耀辉,朱刚强,仇越秀.BST超细粉体的水热法形成机理及工艺控制[J].电子元件与材料,2005(04):57-60. |
| [8] | K.A. Razak;A. Asadov;W. Gao .Properties of BST ceramics prepared by high temperature hydrothermal process[J].CERAMICS INTERNATIONAL,2007(8):1495-1502. |
| [9] | Deshpande S B;Khollam Y B;Bhoraskar S V et al.Synthesis and characterization of microwave-hydrothermally derived Bal-xSrxTiO3 powders[J].Materials Letters,2005,59:293. |
| [10] | Pazik R;Hreniak D;Strek W .Microwave driven hyarothermal synthesis of Ba1-xSrxTiO3 nanoparticles[J].Materials Research Bulletin,2007,42(07):1188. |
| [11] | 王艳,刘畅,柏扬,陈恒芳,吉远辉,陆小华.水热反应釜中高温高压离子水溶液热力学性质[J].化工学报,2006(08):1856-1864. |
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