1. 毕业设计（论文）的内容和要求

毕业论文是对大学四年学习情况以及对所做的课题情况的反映,其内容应该包括: （1）查阅相关文献资料，提出实验计划，明确实验内容了解课题的研究目的，进行大量的实验，控制各实验参数，利用传统固相烧结法制备出结构致密的bnt-st陶瓷靶材。

（2）研究烧结温度和烧结时间对bnt-st陶瓷靶材的影响，包括xrd、密度、微观结构，总结制备大尺寸铌酸钾钠陶瓷靶材的条件，并在此基础上总结实验经验及注意事项，按要求完成毕业论文的写作。

要把毕业论文很好的完成并顺利通过答辩，这就要求学生做到： （1）认真全面地收集，阅读材料。

2. 参考文献

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Solid State Science, 2008, 10: 934~940. [11] Setter N, Cross L E. The contribution of structure disorder to diffuse phase transition in ferroelectrics[J]. J Mater Sci, 1980,15: 2478. [12] Suchanica J. Behavior of Na0.5Bi0.5TiO3 Ceramics in the A.C. Electric Field [J]. Ferroelectrics, 1998 , 209: 561~568. [13] Xiaowen,Zhang,QiangWang and Binglin Cu, Study of the order-disorder transition in A(B#8217;B#8217;#8217;)O3 perovskite type ceramics[J]. J. Am. Ceram . Soc, 1991, 74(11):2846-2850. [14] 师金华，杨万民Bi0.5Na0.5TiO3基无铅压电陶瓷的研究进展[J] Gansu Science and Technology, 2013, 29(14) 88~92 [15] Takanaka T, Maruyama K, Sakata K. Na0.5Bi0.5TiO3-BaTiO3 System for Lead-free Piezoelectric Ceramics [J]. Journal of Applied Physics, 1991, 30(9B):2236~2240. [16] Dunmin Lin K. W. Kwok. Structure and Electrical Properties of Bi0.5Na0.5TiO3-Y0.5Na0.5TiO3-BaTiO3 Lead-free Piezoelectric Ceramics [J] Mater Electron Journal of Materials Science, 2010, 21:291~297. [17] GSchrmdt, Diffusive phase-transitions[J]. Ferroelectrics,1988,78:199-206. [18] Hao J G., Chua R Q, Xu Z J. et al. Structure and Electrical Properties of (Li, Sr, Sb)-modified K0.5Na0.5NbO3 Lead-free Piezoelectric Ceramics [J]. Journal of Alloys and Compounds, 2009, 479: 376~380. [19] Li Y M, Chen W, Xu Q. et a.l Piezoelectric and Dielectric Properties of CeO2-doped Bi0.5Na0.44K0.06TiO3 Lead-free Ceramics [J]. Ceramics International, 2007, 33: 95~99. [20] Jean-Rich ard G P, Senda S, PascalM. et a.l Sodium-bismuth Titanate Based Lead-free Ferroelectric Materials [J]. Journal of the European Ceramic Society, 2004,24:1165~1169. [21] Suchanica J, Kwapul Inshi J. Investigations of the Phase Transitions in Na0.5Bi0.5TiO3 [J].Ferroelectrics, 1995, 172: 455~458. [22] Isupov V A, Ptonin I P, Svmikov P P. Temperature Dependence of Birefringence and Opalescence of Solidum Bismuth Titanate Crystasls [J]. Ferroelectric Letters, 1984, 2:205~208. [23] Werner K. ,Denis S. ,Franz A. M. Piezoelectric properties and phase transition temperatures of the solidsolution of (1#8722;x)(Bi0.5Na0.5)TiO3#8211;xSrTiO3 [J]. Journal of the European Ceramic Society, 2010, 1827~1832 [24] Wangfeng Bai, Lingyu Li et al. Phase Diagrams and Electromechanical Strains in Lead-Free BNT-Based Ternary Perovskite Compounds [J]. Journal of the American Ceramic Society ,2014, 3510~3518 [25] Feifei W., Chung Ming L. et al. Composition induced structure evolution and large strain response in ternary Bi0.5Na0.5TiO3- Bi0.5K0.5TiO3-SrTiO3 solid solution [J]. Journal of Applied Physics, 2013, 114 [26] Ke Wang, Wook Jo.et al Temperature-Dependent Properties of (Bi1/2Na1/2)TiO3#8211;(Bi1/2K1/2)TiO3#8211;SrTiO3 Lead-Free Piezoceramics [J]. Journal of American Ceramic Society, 2012, 95(7):2241~2247 [27] Wei Peng, Chaoliang Mao et al. Phase characteristics of 0.92Bi0.5Na0.5TiO3 -0.08BiAlO3 ceramics [J]. Apply Physics Letters, 2015,106~112 [28] RizwanAhmedMalik, AliHussain et al. Structural transition and giant strain induced by A- and B-site concurrent donor doping in Bi0.5(Na0.84K0.16)0.5TiO3#8211; SrTiO3 ceramics [J]. Materials Letters, 2015, 143:148~150 [29] Sangwook Kim, Haein Choia et al. A correlation between piezoelectric response and crystallographic structural parameter observed in lead-free (1-x)(Bi0.5Na0.5)TiO3 #8211;xSrTiO3 piezoelectrics [J]. Journal of the European Ceramic Society 37 (2017) 1379#8211;1386 [30] Jeong-Ho Cho, Jung-Soo Park et al. Ferroelectric properties and core shell domain structures of Fe-modified 0.77Bi0.5Na0.5TiO3-0.23SrTiO3 ceramics.[J]. Journal of the European Ceramic Society 37 (2017) 3313#8211;3318 [31] Yiwei Zhu, Yangyang Zhang et al. Large electric field-induced strain in AgNbO3 -modified 0.76Bi0.5Na0.5TiO3-0.24 SrTiO3 lead-free piezoceramics.[J].Ceramics International 44 (2018) 7851#8211;7857 [32] Akikatsu Sawada , Ryuji Abe et al. The Formation Mechanism of Domain Etch Patterns in Triglycine Sulfate Crystals.[J].Japanese Journal of Applied Physics, 1967, Vol.6 (6), pp.699-707 [33] 丁永平等. Ba0.7Sr0.3TiO3铁电薄膜的弥散相变特征及有序微畴。

[J]材料研究学报2000(03).

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 2019.01 根据所选课题，查阅相关文献并完成翻译工作 2019.02-2019.04 研究制备大尺寸钛酸铋钠钛酸锶陶瓷靶材的条件，包括烧结温度和烧结时间 2019.05 整理实验数据 2019.06 在实验基础上撰写毕业论文