1. 毕业设计（论文）的内容和要求
本课题将用铌掺杂钛酸锶钡陶瓷，研究铌掺杂量对钛酸锶钡陶瓷的弛豫特性的影响。
进一步研究预烧温度，烧结温度与时间工艺参数对陶瓷的电滞回线与应变曲线的影响。
最后把整个研究内容写成毕业论文。
2. 参考文献
根据毕业要求指点10.3，毕设期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的英文文献不少于20篇，其中近5年不少于8篇，英文文献不少于5篇。
以下是与本课题相关的部分文献列表：（提供适当参考文献，学生自己按需补充）[1] R. Rani, S. Singh, J. K. Juneja, K. K. Raina, C. Prakash, Dielectric properties of Zr substituted BST ceramics. Ceramics International 2011, 37 (8), 3755-3758.[2] Y. J. Wu, Y. H. Huang, N. Wang, J. Li, M. S. Fu, X. M. Chen, Effects of phase constitution and microstructure on energy storage properties of barium strontium titanate ceramics. Journal of the European Ceramic Society 2017, 37 (5), 2099-2104.[3] X. Y. Ye, Y. M. Li, J. J. Bian, Dielectric and energy storage properties of Mn-doped Ba0.3Sr0.475La0.12Ce0.03TiO3dielectric ceramics. Journal of the European Ceramic Society 2017, 37 (1), 107-114.[4] H. Qiang, Z. Xu, Effects of sintering temperature on the properties of Mn/Y codoped Ba0.67Sr0.33TiO3 ceramics for tunable application. Journal of Materials Science: Materials in Electronics 2015, 26 (11), 9063-9066.[5] B. Liu, X. Wang, R. Zhang, L. Li, Grain size effect and microstructure influence on the energy storage properties of fine-grained BaTiO3-based ceramics. Journal of the American Ceramic Society 2017, 100 (8), 3599-3607.[6] B. Liu, X. Wang, R. Zhang, L. Li, Energy storage properties of ultra fine-grained Ba0.4Sr0.6TiO3-based ceramics sintered at low temperature. Journal of Alloys and Compounds 2017, 691, 619-623.[7] H. Abdelkefi, H. Khemakhem, G. Vlu, J. C. Carru, R. Vonder Mhll, Dielectric properties and ferroelectric phase transitions in BaxSr1xTiO3 solid solution. Journal of Alloys and Compounds 2005, 399 (1-2), 1-6.[8] R. Laishram, K. C. Singh, C. Prakash, Enhanced dielectric loss of Mg doped Ba0.7Sr0.3TiO3 ceramics. Ceramics International 2016, 42 (13), 14970-14975.[9] Z. Song, H. X. Liu, S. J. Zhang, Z. J. Wang, Y. T. Shi, H. Hao, M. H. Cao, Z. H. Yao, Z. Y. Yu, Effect of grain size on the energy storage properties of (Ba0.4Sr0.6)TiO3 paraelectric ceramics. Journal Of the European Ceramic Society 2014, 34 (5), 1209-1217.[10] Y. Haibo, H. Li, S Li, and Xi Yao, Polarization relaxation mechanism of Ba0.6Sr0.4TiO3/Ni0.8Zn0.2Fe2O4composite with giant dielectric constant and high permeability.[11] Mondal, R. A.; Murty, B. S.; Murthy, V. R. K., Grain size dependent phase transition and superparaelectric behavior of ferroelectric BST. Physica B: Condensed Matter 2015, 461, 10-167.[12] Dielectric, ferroelectric and energy storage properties of lead-free (1-x) Ba0.9Sr0.1TiO3-xBi(Zn0.5Zr0.5)O3 ferroelectric ceramics sintered at lower temperature.[13] C. Chen, H. Zhuang, X. Zhu, K. Zhou, D. Zhang, Enhancement of relaxor properties by Nb doping in Ba0.8Sr0.12Ca0.08TiO3 lead-free ferroelectric ceramics. Ceramics International 2015, 41 (8), 9893-9898.[14] Q. Wang, P. Ren, L. Sun, H. Jin, G. Zhao, Microstructure and tunable dielectric properties of Ba0.6Sr0.4TiO3/Y2O3 composite ceramics. Journal of Materials Science 2016, 51 (13), 6249-6256[15] W. Chen, X. Yao, X. Wei, Structural and dielectric properties of Bi doped Ba0.6Sr0.4TiO3 ceramics. Journal of Materials Science 2007, 43 (3), 1144-1150.[16] S. Kongtaweelert, D. C. Sinclair, S. Panichphant, Phase and morphology investigation of BaxSr1xTiO3 (x = 0.6, 0.7 and 0.8) powders. Current Applied Physics 2006, 6 (3), 474-477.[17] T. Zheng, J. Wu, D. Xiao, J. Zhu, Recent development in lead-free perovskite piezoelectric bulk materials. Progress in Materials Science 2018, 98, 552-624[18] K. Zou, Y. Dan, H. Xu, Q. Zhang, Y. Lu, H. Huang, Y. He, Recent advances in lead-free dielectric materials for energy storage. Materials Research Bulletin 2019, 113, 190-201[19] Z. Xu, H. Qiang, Y. Chen, G. Liu, Room-temperature electrocaloric effect in (1x)Ba0.67Sr0.33TiO3xBa0.9Ca0.1Ti0.9Zr0.1O3 ceramics under moderate electric field. Journal of Materials Science: Materials in Electronics 2018, 29 (9), 7227-7232.[20] W. Wu, J. Ma, N. Wang, C. Shi, K. Chen, Y. Zhu, M. Chen, B. Wu, Electrical properties, strain stability and electrostrictive behavior in 0.5BaZr0.2Ti0.8O3-(0.5-x)Ba0.7Ca0.3TiO3-xBa0.7Sr0.3TiO3 lead-free ceramics. Journal of Alloys and Compounds 2020, 814, 152240..
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