1. 毕业设计（论文）的内容和要求

铁氧体按晶体结构类型可分为尖晶石型、磁铅石型和石榴石型。

其中尖晶石型是一类非常重要的软磁材料，其具有高磁导率、高电阻率、低损耗等磁性材料方面优异的性能，但由于其晶体结构具有较高的对称性，各向异性场很小，因而其矫顽力比较小，应用频率和磁能积比较低。

相对地，磁铅石型铁氧体具有较高的磁晶各向异性，矫顽力较大，但其饱和磁化强度较低。

2. 参考文献

[1] S. Hazra, M.K. Patra, S.R. Vadera, et al. A novel but simple ”one-pot'#8217; synthetic route for preparation of (Ni Fe2O4)x-(Ba Fel2O19)1-x composites[J]. Journal of American Ceramic Society, 2012, 95(1): 60-63. [2]高海涛, 王建江, 赵志宁, 等. 铁氧体吸波材料吸波性能影响因素研究进展[J]. 磁性材料及器件, 2014, 45(1): 68-73. [3] 汝强, 胡社军. 电磁屏蔽理论及屏蔽材料的制备[J]. 包装工程, 2004, 25(5): 229-231. [4] 赵培聪. 2010 年隐身与反隐身技术发展情况[J]. 现代雷达, 2011, 33: 8-12. [5] 陈康华. 雷达吸波材料的研究进展[J]. 功能材料, 2005, 8(36): 1151-1154. [6] S. Sugimoto, K. Haga, T. Kagotani, et al. Microwave absorption properties of Ba M-type ferrite prepared by a modified coprecipitation method[J]. J. Magn. Magn. Mater., 2005, 290-291(2):1188-1191. [7] J. Xiang, X.Q. Shen and F.Z. Song, et al. One-dimensional Ni Cu Zn ferrite nanostructures: fabrication, structure and magnetic properties[J]. Journal of Solid State Chemistry, 2010, 183(6): 1239-1244. [8] K. Y#252;ksel. Structural and magnetic properties of Cr doped Ni Zn-ferrite nanoparticles prepared by surfactant assisted hydrothermal technique[J]. Ceramics International, 2015, 41(5): 6417-6423. [9] M. Rahimi, P. Kameli, M. Ranjbar, et al. The effect of sintering temperature on evolution of structural and magnetic properties of nanostructured Ni Zn Fe O ferrite[J]. Journal of Nanoparticle Research, 2013, 15(9): 620-624. [10] Y. Yan, K.D.T. Ngo, D. Hou, et al. Effect of Sintering Temperature on Magnetic Core-Loss Properties of a Ni Cu Zn Ferrite for High-Frequency Power Converters[J]. Journal of Electronic Materials, 2015, 44(10): 1-7. [11] X.D. Jiang, D.W. Guo, C.H. Zhang, et al. Influence of the interface on the magnetic properties of Ni Zn ferrite thin films treated by proton irradiation [J]. Nuclear Instruments Methods in Physics Research, 2015, 358: 1-5. [12] L.S. Wang, S. J. Nie, J.B. Wang, et al. Effect of experiment parameters on the structure and magnetic properties of Ni Zn-ferrite films[J]. Materials Chemistry Physics, 2015, 160: 321-328. [13] A. Sutka, K.A. Gross, G.Mezinskis, et al. The effect of heating conditions on the properties of nano- and microstructured Ni-Zn ferrite[J]. Phys. Sci., 2011, 83: 025601. [14] X.D. Jiang X D, D.W. Guo, C.H. Zhang, et al. Influence of the interface on the magnetic properties of Ni Zn ferrite thin films treated by proton irradiation[J]. Nuclear Instruments Methods in Physics Research, 2015, 358:1-5. [15] R.C. Pullar. Hexagonal ferrite: A review of the synthesis, properties and application of hexaferrite ceramics[J]. Progress in Materials Science, 2012, 57: 1191-1334. [16] 陈雪刚, 叶瑛, 程继鹏. 电磁波吸收材料的研究进展[J]. 无机材料学报, 201l, 26(5):449-457. [17] 李红桂, 孙培梅. 稀土掺杂磁铅石型钡铁氧体超细粉末的制备及磁性能研究[D]. 中南大 学, 2001. [18] 曹慧群, 魏波, 刘剑洪, 等. 水热法制备纳米镍锌铁氧体粉体及其磁性能[J]. 硅酸盐学报,2007, 35(6): 713-716. [19] K.S. Moghaddam, A. Ataie. Role of intermediate milling in the processing of nano-size particles of barium hexafefite via co-precipitation method[J]. Journal of Alloys and Compound,2006, 426: 414-419.

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 2017.12.17~2018.03.02 查阅国内外相关文献，完成文献翻译，开题报告工作 2018.03.03~2018.04.20 调节微波合成工艺，制备出有序交替的纳米复合磁性材料 2018.04.21~2018.05.10 进行XRD，SEM等分析，测试催化氧化性能 2018.05.11~2018.06.14 写毕业论文，准备答辩