采用溶胶-凝胶自蔓燃法合成具有单一钙钛矿相的0.76Na0.5Bi0.5TiO3-0.24SrTiO3(简写为NBT-ST)的超细粉体.采用热重/差热、X射线粉末衍射、红外光谱等分析手段对自蔓燃工艺前后的粉体进行了分析表征,通过对合成工艺中溶胶pH值、水浴温度、柠檬酸与硝酸根离子配比、热处理温度等参数的优化,获得了制备单一钙钛矿结构的NBT-ST无铅压电材料超细粉体的最优工艺参数:溶胶pH值为8、水浴温度为80℃、柠檬酸与硝酸根离子配比为1.25∶1,185℃左右凝胶发生自蔓燃,热处理温度为550 ℃,保温时间为1h.
参考文献
| [1] | 刘丽娟,杜慧玲,张晰,崔玉.NBT-KBT-xLN系陶瓷的介电与铁电性能研究[J].人工晶体学报,2010(03):708-713. |
| [2] | M. Otonicar;S.D. Skapin;M. Spreitzer .Compositional range and electrical properties of the morphotropic phase boundary in the Na_0.5Bi_0.5TiO_3-K_0.5Bi_0.5TiO_3 system[J].Journal of the European Ceramic Society,2010(4):971-979. |
| [3] | Park S E;Hongk S V .Variations of Structure and Dielectric Properties on Substituting a Site Cations for Sr2 + in Na0.5Bi0 5TiO3[J].Journal of the Materials Research,1997,12(08):2152-2157. |
| [4] | Gomab J R;Salak A N;Marchet P et al.Ferroelectric Relaxor Behaviour of Na0.sBi0 sTiO3-SrTiO3 Ceramics[J].Physica Status Solidi(B) Applied Research,2004,241:1949-1956. |
| [5] | Watanabe Y;Hiruma Y;Nagata H et al.Phase Transition Temperature and Electrical Properties of Divalent Ions (Ca2 +,Sr2 + and Ba2 +)Substituted (Bi1/2 Na1/2) TiO3 Ceramics[J].Ceramics International,2008,34:761-764. |
| [6] | Krauss W;Schütz D;Mautner F A et al.Piezoelectric Properties and Phase Transition Temperatures of the Solid Solution of (1-x) (Bi0.5 Na0 5)TiO3-xSrTiO3[J].Journal of the European Ceramic Society,2010,30:1827-1832. |
| [7] | Wang T;Du H L;Shi X .Dielectric and Ferroelectric Properties of (l-x) Na0.5Bi0 5TiO3-xSrTiO3 Lead-Free Piezoceramics System[J].Journal of Physics: Condensed Matter,2009,152:012065. |
| [8] | Hiruma Y;Imai Y;Watanabe Y et al.Large Electrostrain near the Phase Transition Temperature of Bi0.5Na0.5TiO3-SrTiO3 Ferroelectric Ceramics[J].Applied Physics Letters,2008,92:262904. |
| [9] | Gomah-Pettry J R;Said S;Marchet P et al.Sodium-bismuth Titanate Based Lead-free Ferroelectric Materials[J].Journal of the European Ceramic Society,2004,24:1165-1169. |
| [10] | J. R. GOMAH-PETTRY;P. MARCHET;A. SALAK .Electrical Properties of Na_(0.5)Bi_(0.5)TiO_3-SrTiO_3 Ceramics[J].Integrated Ferroelectrics,2004(1):159-162. |
| [11] | 王戈明,颜莎宁,杜城,彭斌,李珍.固相反应法、柠檬酸盐法制备（NaBi）0.5TiO3陶瓷及性能表征[J].材料开发与应用,2007(02):29-32. |
| [12] | 赵明磊,王春雷,钟维烈,王矜奉,陈洪存.溶胶-凝胶法制备Bi0.5Na0.5TiO3陶瓷及其电学特性[J].物理学报,2003(01):229-232. |
| [13] | Yonggang Wang;Gang Xu;Linlin Yang .Hydrothermal synthesis and characterization of Na_(0.5)Bi_(0.5)TiO_3 microcubes[J].CERAMICS INTERNATIONAL,2009(4):1657-1659. |
| [14] | 燕青芝,宿新泰,周艳平,葛昌纯.Sol-gel自蔓燃法控制合成二氧化钛纳米粉体及性能[J].物理化学学报,2005(01):57-62. |
| [15] | 史载锋,宋雪芳,李娟.溶胶-凝胶自蔓燃法制备铁掺杂纳米TiO2光催化剂[J].应用化学,2010(10):1177-1181. |
| [16] | Elisa Mercadelli;Carmen Galassi;Anna Luisa Costa .Sol-gel combustion synthesis of BNBT powders[J].Journal of Sol-Gel Science and Technology,2008(1):39-45. |
| [17] | Hou JG;Qu YF;Ma WB;Shan D .Synthesis and piezoelectric properties of (Na0.5Bi0.5)(0.94)Ba0.06TiO3 ceramics prepared by sol-gel auto-combustion method[J].Journal of Materials Science,2007(16):6787-6791. |
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