以NaBH4为还原剂,油酸为分散剂,采用液相还原法制备出了纳米Fe-Co合金,利用XRD、SEM和VSM对样品进行了表征.研究结果表明:在氮气保护下,500℃焙烧,样品由无定形态转化为晶态;颗粒呈球形,平均粒径为25nm;Fe-Co合金的抗氧化能力较强,在常温下不易被氧化;饱和磁化强度为90.4emu/g,矫顽力趋近于零,呈现超顺磁性.
参考文献
| [1] | Mancier V;Delplancke JL;Delwiche J;Hubin-Franskin MJ;Piquer C;Rebbouh L;Grandjean F .Morphologic, magnetic, and Mossbauer spectral properties of Fe75Co25 nanoparticles prepared by ultrasound-assisted electrochemistry[J].Journal of Magnetism and Magnetic Materials,2004(1):27-35. |
| [2] | Hutten A;Sudfeld D;Ennen I;Reiss G;Wojczykowski K;Jutzi P .Ferromagnetic FeCo nanoparticles for biotechnology[J].Journal of Magnetism and Magnetic Materials,2005(1):93-101. |
| [3] | Sudfeld D;Ennen I;Hutten A;Golla-Schindler U;Jaksch H;Reiss G;Meissner D;Wojczykowski K;Jutzi P;Saikaly W .Microstructural investigation of ternary alloyed magnetic nanoparticles[J].Journal of Magnetism and Magnetic Materials,2005(1):151-161. |
| [4] | Oh S J;Choi C J;Kwon S J et al.M(o)ssbauer analysis on the magnetic properties of Fe-Co nanoparticles synthesized by chemical vapor condensation process[J].Journal of Magnetism and Magnetic Materials,2004,280:147. |
| [5] | Moras K;Schaarschuch R;Riehemann W;Zinoveva S;Modrow H;Eberbeck D .Production and characterisation of magnetic nanoparticles produced by laser evaporation for ferrofluids[J].Journal of Magnetism and Magnetic Materials,2005(1):119-126. |
| [6] | 杨淑珍;周和平.无机非金属材料测试实验[M].武汉:武汉工业大学出版社,1990 |
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%