在磁场诱导下一步制备针状Fe3O4,考察了影响产品成分的主要因素,得到了最佳工艺条件.探讨了磁场对Fe3O4生长过程的影响,结果表明,磁场对粒子形貌影响显著,随着磁场强度增大,粒子由球形转变为针形,且产品中针形粒子比率增加;在0.35T磁场下,Fe3O4形貌变化过程为:絮状→六方片状→米粒状→针状.
参考文献
| [1] | 向宁.[J].磁记录材料,1999(01):54-56. |
| [2] | 杨喜云,龚竹青,郑雅杰,刘丰良.硫铁矿烧渣制备静电复印显影剂用Fe3O4[J].功能材料,2005(05):667-670. |
| [3] | Bate G .[J].Iournal of Magnetism and Magnetic Materials,1991,100:413-424. |
| [4] | Itoh H.;Sugimoto T. .Systematic control of size, shape, structure, and magnetic properties of uniform magnetite and maghemite particles[J].Journal of Colloid and Interface Science,2003(2):283-295. |
| [5] | Wang J;Peng Z M;Huang Y J et al.[J].Journal of Crystal Growth,2004,263:616-619. |
| [6] | Lian SY.;Kang ZH.;Wang EB.;Jiang M.;Hu CW.;Xu L. .Convenient synthesis of single crystalline magnetic Fe3O4 nanorods[J].Solid State Communications,2003(9/10):605-608. |
| [7] | Zhang Jingang;Chen Jiafu;Wang Zhaoxu .[J].Materials Letters,2007,61:1629-1632. |
| [8] | 钟云波,李志华,任忠鸣,邓康,徐匡迪.磁场对纳米MnZn铁氧体前驱体形貌的影响[J].稀有金属材料与工程,2006(08):1263-1267. |
| [9] | 陈俊明.湿法制备铁氧体磁粉的新途径[M].北京:国防工业出版社,2001 |
| [10] | Chen S Y;Feng J;Guo X F .[J].Materials Letters,2005,59:985-988. |
| [11] | Jun Wang;Qianwang Chen;Chuan Zeng;Binyang Hou .Magnetic-Field-Induced Growth of Single-Crystalline Fe_3O_4 Nanowires[J].Advanced Materials,2004(2):137-140. |
| [12] | Tolchev AV.;Kleschov DG.;Bagautdinova RR.;Pervushin VY. .Temperature and pH effect on composition of a precipitate formed in FeSO4-H2O-H+/OH--H2O2 system[J].Materials Chemistry and Physics,2002(3):336-339. |
| [13] | Misawa M;Hashimoto K;Shimodaira S .[J].Corrosion Science,1974,14:131-149. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%