用XRD和TEM等技术研究了水(W)与表面活性剂(S)比R(n(W)/n(S))对微乳液制备Ni-Fe纳米复合物微粒的影响. 结果表明,R值不同,得到的Ni-Fe复合物微粒不但粒径不同,产物的组成也有差异. 当R＜18时,可得到Ni-Fe合金相. 所得复合物微粒的比饱和磁化强度为50.02×10-3～217.68×10-3 A/(mg),而矫顽力可达2.388～10.030 kA/m,剩余磁感应强度28.28×10-3～37.7×10-3 A/(m*g). 矫顽力随Ni-Fe微粒粒径增加而减小.
参考文献
| [1] | Kodama R H. J Magn Magn Mater[J],1999,200:359 |
| [2] | Frase H N,Shull R D,Hong L B, et al. Nanostruct Mater[J],1999,[pub.2000],11(8):987 |
| [3] | Szabo S,Kis-Varga M,Beke D L, et al. J Magn Magn Mater[J],2000,215:60 |
| [4] | FANG Dao-Lai(方道来),ZENG Chi-Hong(曾驰洪),ZHU Wei-Chang(朱伟长), et al. Chin J Mater Res(材料研究学报)[J],2000,14(2):159 |
| [5] | ZHU Wei-Chang(朱伟长),ZHOU An-Na(周安娜),TAN Jie(檀杰), et al. Fine Chem(精细化工)[J],1999,16(5):181 |
| [6] | Lapez-Quintela M A L,Rivas J J. Colloid Interface Sci[J],1993,158:446 |
| [7] | ZHANG Chao-Ping(张朝平),DENG Wei (邓伟),HU Zong-Chao (胡宗超), et al. Chin J Appl Chem(应用化学)[J],2000,17(3):248. |
| [8] | ZHANG Chao-Ping(张朝平),DENG Wei(邓伟),SHEN De-Jun(申德君), et al. J Inorg Mater(无机材料学报),2001,16(2):481 |
| [9] | SHEN De-Jun(申德君),ZHANG Chao-Ping(张朝平),LUO Yu-Ping(罗玉萍), et al. Chin J Appl Chem(应用化学)[J],2002,19(2):12 |
| [10] | Kodama R H. J Magt,Magtc,Mat[J],1999,200:359 |
| [11] | Kim W M,Huang J S. Phys Rev[J],1985,A35:506 |
| [12] | Lagourette B. Nature[J],1979,281:61 |
| [13] | Lagues M,Ober R,Taupin C. J Phys Lett,Fr[J],1978,39:L-487 |
| [14] | CHEN Zong-Qi(陈宗琪),ZHANG Hong-Lin(张洪林),HAO Ce(郝策), et al. Acta Chim Sin(化学学报),1995,53:625 |
| [15] | HAO Jing-Cheng(郝京诚),GE Jin-Huan(葛金环). Acta Phys-Chim Sin(物理化学学报),1997,13(7):593 |
| [16] | ZHANG Li-De(张立德). Preparation and Application of Superpowders(超细粉体的制备和应用技术)[M]. Beijing(北京):Petroleum Chemical Industry Press in China(中国石化出版社),2001:354 |
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%