以FeSO4·7H2O和 KNO3为前驱物,在KOH溶液中,160 ℃水热反应15 h,成功合成了立方相的Fe3O4亚微米球.初步探索了反应温度和反应时间对合成产物的影响.利用X射线粉末衍射(XRD),透射电子显微镜(TEM)和高分辨透射电子显微镜(HRTEM)等手段对产物进行了表征.结果表明,产物为立方结构的Fe3O4纯相,呈现球状形貌.该亚微米球的平均粒径约为350 nm,内部具有精细结构,是由粒径更小的Fe3O4单晶颗粒组成.
参考文献
| [1] | Walker M M;Diebel C E;Haugh C V et al.Structure and Function of the Vertebrate Magnetic Sense[J].Nature,1997,390:371-376. |
| [2] | Correa-Duarte MA.;Kotov NA.;Liz-Marzan LM.;Giersig M. .Control of packing order of self-assembled monolayers of magnetite nanoparticles with and without SiO2 coating by microwave irradiation[J].Langmuir: The ACS Journal of Surfaces and Colloids,1998(22):6430-6435. |
| [3] | Ma M;Wu Y;Zhou J et al.[J].Journal of Magnetism and Magnetic Materials,2004,268(01):33-39. |
| [4] | Cornell R M;Schertmann U.Iron Oxides in the Laboratory:Preparation and Characterization[M].Weinheim:VCH Publishers,1991:26-28. |
| [5] | 沈忠;王果庭.胶体与表面化学[M].北京:化学工业出版社,1997:18-19. |
| [6] | Sugimoto T;Matijevic E .Formation of Uniform Spherical Magnetite Particles by Crystallization from Ferrous Hydroxide gels[J].Journal of Colloid and Interface Science,1980,74(01):227-242. |
| [7] | Cain J L;Nikles D E .[J].IEEE Transactions on Magnetics,1997,335:335-372. |
| [8] | Chen M;Nikles D E .Chain-of-cubes Iron Nanoparticles Prepared by Borohydride Reduction of Acicular Akaganeite Particles[J].Journal of Applied Physics,1999,85:5540-5542. |
| [9] | Sudakar C;Subbanna G N;Kutty T R N .[J].Journal of Materials Chemistry,2002,12:107-117. |
| [10] | Kurokawa H;Senna M .Self-stabilization of Green Rust(Ⅱ)as Aprecursor of Acicular Goethite Particles with Highest Possible Aspect Ratio[J].Powder Technology,1999,103:71-75. |
| [11] | Wang J;Chen Q W;Zeng C et al.[J].Advanced Materials,2004,16:137-140. |
| [12] | 唐晓莉,张怀武,苏桦,钟智勇.半金属Fe3O4薄膜的制备工艺探索[J].无机材料学报,2006(03):741-746. |
| [13] | 马文哲,钱雪峰,印杰,朱子康.空心超顺磁性Fe3O4纳米微球的制备与表征[J].无机材料学报,2004(06):1407-1410. |
| [14] | 李汶军,施尔畏,仲维卓,殷之文.负离子配位多面体生长基元的理论模型与晶粒形貌[J].人工晶体学报,1999(02):117-125. |
| [15] | 韦志仁,董国义,李志强,张华伟,王立明,佟鑫刚.水热法合成α-Al2O3晶体[J].人工晶体学报,2002(02):90-93. |
| [16] | Bauminger R;Cohen S G;Marinov A et al.Hyperfine Interactions in the Ground State and First Excited State of Dy161 in Dysprosium Iron Garnet[J].Physical Review,1961,122:1447-1450. |
| [17] | Banerjee S K;Oreilly W .[J].Journal of Applied Physics,1967,38:1289-1300. |
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