本文采用溶胶-凝胶自燃烧合成法制备了SrFe12 O19.研究了柠檬酸配比对SrFe12O19的物相组成、形貌及磁性能的影响.当柠檬酸与金属离子摩尔比为3:1时,矫顽力为6518 Oe (518.83kA/m),比饱和磁化强度σs为84.45 A·m2/kg.通过对经过预烧和不经过预烧所制备出的两种样品的研究,发现不经过预烧制备出的样品其比饱和磁化强度明显大于经过预烧所制备出的样品的比饱和磁化强度.
参考文献
| [1] | 都有为.铁氧体[M].南京:江苏科学技术出版社,1996:P242. |
| [2] | X-Y Liu;J. Wang .Improving the magnetic properties of hydrothermally synthesized barium ferrite[J].Journal of Magnetism and Magnetic Materials,1999(2):452-459. |
| [3] | L. Gama;E.P. Hernandez;D.R. Cornejo .Magnetic and structural properties of nanosize Ni-Zn-Cr ferrite particles synthesized by combustion reaction[J].Journal of Magnetism and Magnetic Materials,2007(0):29-33. |
| [4] | Guo Zaibing;Ding Weiping;Zhong Wei et al.Preparation and magnetic properties of SrFe12019 particles prepared by the salt-melt method[J].Journal of Magnetism and Magnetic Materials,1997,175(03):333-336. |
| [5] | A. Ataie;S. Heshmati-Manesh .Synthesis of ultra-fine particles of strontium hexaferrite by a modified co-precipitation method[J].Journal of the European Ceramic Society,2001(10/11):1951-1955. |
| [6] | L. A. Garcia-Cerda;O. S. Rodriguez-Fernandez;P. J. Resendiz-Hernandez .Study of SrFe_(12)O_(19) synthesized by the sol-gel method[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):182-184. |
| [7] | R. Nikkhah-Moshaie;A. Ataie;S.A. Seyyed Ebrahimi .Processing of nano-structured barium hexaferrite by self-propagating high temperature synthesis (SHS) using nitrate precursor[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2007(1/2):324-328. |
| [8] | Wang, YF;Li, QL;Zhang, CR;Li, BD .Effect of Fe/Sr mole ratios on the formation and magnetic properties of SrFe12O19 microtubules prepared by sol-gel method[J].Journal of Magnetism and Magnetic Materials,2009(19):3368-3372. |
| [9] | Malick Jean;Virginie Nachbaur;Julien Bran;Jean-Marie Le Breton .Synthesis and characterization of SrFe_(12)0_(19) powder obtained by hydrothermal process[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2010(1/2):306-312. |
| [10] | Hessien MM;Rashad MM;El-Barawy K .Controlling the composition and magnetic properties of strontium hexaferrite synthesized by co-precipitation method[J].Journal of Magnetism and Magnetic Materials,2008(3/4):336-343. |
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%