1. 毕业设计（论文）的内容和要求

内容： 钛酸铋钠(简称bnt)是1960年由smolensky发明的a位复合离子钙钛矿型铁电体。

室温时属于三方晶系，居里温度320℃，具有铁电性强、压电常数、介电常数小、声学性能好等优良特性，并且其烧结较低，被认为是最具吸引力的无铅压电陶瓷材料体。

钛酸铋钠作为一种无铅环境友好型压电材料，具有很大的应用前景。

2. 参考文献

[1]Andrei A, Scarisoreanu ND, Birjega R, Dinescu M, Stanciu G, Craciun F, et al. Pulsed laser deposition of lead-free (Na0.5Bi0.5)1#8722;xBaxTiO3 ferroelectric thin films with enhanced dielectric properties[J]. Applied Surface Science. 2013,278:162-5. [2]Chen YQ, Zheng XJ, Feng X, Dai SH, Zhang DZ. Fabrication of lead-free (Na0.82K0.18)0.5Bi0.5TiO3 piezoelectric nanofiber by electrospinning[J]. Materials Research Bulletin. 2010,45(6):717-21. [3]Chen YQ, Zheng XJ, Li W. Size effect of mechanical behavior for lead-free (Na0.82K0.18)0.5Bi0.5TiO3 nanofibers by nanoindentation[J]. Materials Science and Engineering: A. 2010,527(21-22):5462-6. [4]Daryapurkar AS, Kolte JT, Apte PR, Gopalan P. Structural and electrical properties of sodium bismuth titanate (Na0.5Bi0.5TiO3) thin films optimized using the Taguchi approach[J]. Ceramics International. 2014,40(1):2441-50. [5]Jiang X, Lin M, Tu N, Chen C, Zhou S, Zhan H. Simple hydrothermal synthesis and sintering of Na0.5Bi0.5TiO3 nanowires[J]. Journal of Alloys and Compounds. 2011,509(38):9346-50. [6]Hou Y-D, Hou L, Zhang T-T, Zhu M-K, Wang H, Yan H. (Na0.8K0.2)0.5Bi0.5TiO3Nanowires: Low-Temperature Sol?Gel?Hydrothermal Synthesis and Densification[J]. Journal of the American Ceramic Society. 2007,90(6):1738-43. [7]Lu T, Dai J, Tian J, Song W, Liu X, Lai L, et al. Synthesis of Na0.5Bi0.5TiO3 powders through hydrothermal method[J]. Journal of Alloys and Compounds. 2010,490(1-2):232-5. [8]Li P, Zheng X, Zhang Y, Yuan M, Jiang B, Deng S. Humidity sensor based on electrospun (Na0.5Bi0.5)0.94TiO3#8211;Ba0.06TiO3 nanofibers[J]. Ceramics International. 2015,41(10):14251-7. [9]Zheng XJ, Dai SH, Feng X, Zhang T, Zhang DZ, Gong YQ, et al. Structural and electrical properties of (Na0.85K0.15)0.5Bi0.5TiO3 thin films deposited on LaNiO3 and Pt bottom electrodes[J]. Applied Surface Science. 2010,256(10):3316-20. [10]Zheng XJ, Liu JY, Peng JF, Liu X, Gong YQ, Zhou KS, et al. Effect of potassium content on electrostrictive properties of Na0.5Bi0.5TiO3-based relaxor ferroelectric thin films with morphotropic phase boundary[J]. Thin Solid Films. 2013,548:118-24. [11]Zhou X, Jiang C, Chen C, Luo H, Zhou K, Zhang D. Morphology control and piezoelectric response of Na0.5Bi0.5TiO3synthesized via a hydrothermal method[J]. CrystEngComm. 2016,18(8):1302-10.

3. 毕业设计（论文）进程安排

起讫日期 设计（论文）各阶段工作内容 备 注 2016.03.15～2016.03.28 查阅文献，做好实验计划 2周 2016.03.29～2016.04.11 样品制备 1 周 2016.04.12～2016.04.19 产物表征、测试 2周 2016.04.20～2016.04.27 工艺完善、实验数据的整理 1周 2016.04.28～2016.05.04 中期总结，论文初稿 1周 2016.05.05～2016.05.28 补充试验数据，完善论文 2 周 2016.05.29～2016.06.5 PPT制作，准备答辨 1 周