采用微波法在不加表面活性剂的条件下合成碳纳米管负载组成可控的Co1-xNix/MWCNTs(x=0.2、0.5、0.6、0.8)纳米复合材料,通过XRD、TEM、SAED和EDX等技术进行表征,用VSM测试了样品的磁性.结果表明,Co1-xNix纳米粒子均匀地负载在碳纳米管表面;当x=0.2、0.5、0.6、0.8时,Co1-xNix合金均为面心立方结构;其磁性能与合金的组成密切相关,随着合金中Co含量的增加,矫顽力(Hc)和饱和磁化强度(Ms)均是先增大后减小;当x=0.5时,Co0.5Ni0.5/MWCNTs的Hc和Ms均达到最大值.
参考文献
| [1] | Ren Z F;Huang Z P;Xu J W et al.[J].Science,1998,282:1105-1107. |
| [2] | Dai H;Wong E W;Lieber C M .[J].Science,1996,272(5261):523-526. |
| [3] | wu H Q;Xu D M;Wang Q Y et al.[J].Journal of Alloys and Compounds,2008,463:78-83. |
| [4] | Wen M;Wang Y F;Zhang F et al.[J].Journal of Physical Chemistry C,2009,113:5960-5966. |
| [5] | Zhu L P;Zhang W D;Xiao H M et al.[J].Journal of Physical Chemistry C,2008,112(27):10073-10078. |
| [6] | Dong Z P;Ma K;He J G .[J].Materials Letters,2008,62:4059-4061. |
| [7] | Zhang X J;Jiang W;Song D et al.[J].Materials Letters,2008,62:2343-2346. |
| [8] | 徐小兵,刘先松,Udi Meridor,Aviad Frydman,Aharon Gedanken.微波辅助polyol法制备纳米金属镍及磁性研究[J].功能材料,2008(04):553-556. |
| [9] | Zhu LP;Xiao HM;Fu SY .Surfactant-assisted synthesis and characterization of novel chain-like CoNi alloy assemblies[J].European journal of inorganic chemistry,2007(25):3947-3951. |
| [10] | Mercier D;Levy J C S;Viau G et al.[J].Physical Review B,2000,62:532-544. |
| [11] | 唐贵德,张民,刘力虎,杨连祥,尹珍宝,潘成福,聂向富,罗河烈.FeCoNi-SiO2合金纳米颗粒体的制备和磁性研究[J].功能材料,2002(06):605-608. |
| [12] | Xu M H;Zhong W;Qix S et al.[J].Journal of Alloys and Compounds,2010,495:200-204. |
| [13] | 徐怡,徐金霞,蒋林华.Co、Ni及其合金纳米线阵列的制备及磁性研究[J].无机化学学报,2009(03):459-464. |
| [14] | Jeng H T;Wang D S .[J].Journal of Magnetism and Magnetic Materials,2007,317:46-52. |
| [15] | Zhou J.;Zou ZQ.;Ma B.;Liu SY.;Yang LX.;Wang SY.;Sun SH. Zheng YX.;Chen LY.;Wang JL.;Shen DF. .Structural, magnetic and magneto-optical properties of Co1-xNixPt3 alloy films with perpendicular anisotropy[J].Physics Letters, A,2000(1/2):115-120. |
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%