以N2H4为还原剂,采用化学镀和模板技术相结合的方法制备出NiCo/PTFE磁性复合膜.研究了磁性复合膜制备的适宜条件,利用DSC、SEM、XRD、VSM等手段对膜的结构和磁性能进行表征和测试.结果表明:在Co2+0.14 mol/L、Ni2+0.06 mol/L、NaOH 1.00mol/L、N2 H4 0.40 mol/L、反应温度70℃、反应时间70 min条件下制备的NiCo/PTFE磁性复合膜具有较优良的磁性能,其单位质量磁化率Xm=0.16 cm3/g,饱和磁化强度Ms=83.38 Am2/kg,剩磁Mr=29.31 Am2/kg,矫顽力Hc=111.47 Oe;PTFE膜孔中及膜表面上原位生成与基膜无化学键作用的磁性Ni、Co金属粒子.复合膜具有软磁材料的内禀性能.
参考文献
| [1] | Whitney T M,Jiang J S,Searson P C,etal.Fabrication and magnetic properties of array of metallic nanowires[J].Science,1993,261(3):1316-1319. |
| [2] | Meier J,Doudin B,Ansermet J Ph.Magnetic properties of nanosized wires[J].Appl Phys,1996,79(8):6010-6012. |
| [3] | Park I W,Yoon M,Kim Y M,et al.Synthesis of cobalt nanoparticles in polymeric membrane and their magnetic anisotropy[J].Journal of Magnetism and Magnetic Materials,2004,272-276(supplement):1413-1414. |
| [4] | Park I W,Yoon M,Kim Y M,etal.Magnetic properties and microstructure of cobalt nanoparticles in a polymer film[J].Solid State Communications,2003,126(7):385-389. |
| [5] | Shibata Mitsuhiro,Beniya Hiroshi,Yosomiya Ryutoku,et al.Magnetic properties of metal layer deposited by reduction of metal ions contained in polymer with applying magnetic field[J].Journal of Polymer Research,2000,7(1):57-61. |
| [6] | Huang C Y,Mo W W.The effect of attached fragments on dense layer of electroless Ni/P deposition on the electromagnetic interference shielding effectiveness of carbon fibre/aerylonitrile-butadiene-styrene composites[J].Surface and Coatings Technology,2002,154(1):55-62. |
| [7] | Khoo M,Liu C.Sensors and actuators[J].Physical,2001,89(3):259-266. |
| [8] | 陶长元,吴玲,杜军,等.磁性高分子材料的研究及应用进展[J].材料导报,2003,17(4):50-53.Tao C Y,Wu L,Du J,et al.Magnetic polymer materials:Progress in research and application[J].Materials Review,2003,17(4):50-53. |
| [9] | Rameev B Z,Yildiz F,Aktas B,et al.Ion synthesis and FMR studies of iron and cobalt nanoparticles in polyimides[J].Microelectronic Engineering,2003,69(2-4):330-335. |
| [10] | Blon T,Chassaing D,Assayag G,et al.Effect of ion irradiation on cobalt thin films magnetic anisotropy[J].Journal of Magnetism and Magnetic Materials,2004,272-276 (supplement):e803-e805. |
| [11] | Ferre R,Ounadjela K,Dubois S,et al.Magnetization process in nickel and cobalt electrodeposited nanowires[J].Physical Review B,1997,56(21):14066-14075. |
| [12] | 杜军,吴玲,陶长元,等.纳米Fe3O4/PVDF磁性复合膜的原位制备及表征[J].物理化学学报,2004,20(6):598-601.Du J,Wu L,Tao C Y,et al.Preparation and characterization of Fe3O4/PVDF magnetic composite membrane[J].Acta Phys Chim Sin,2004,20(6):598-601. |
| [13] | 曹渊,陶长元,杜军,等.纳米Ni粒子/PTFE复合磁性膜的制备及表征[J].材料导报,2005,19(7):119-121.Cao Y,Tao C Y,Du J,etal.Preparation andcharacterization of nanometer Ni/PTFE magnetic composite membrane[J].Materials Review,2005,19(7):119-121. |
| [14] | 焦剑,雷渭媛.高聚物结构、性能与测试[M].北京:化学工业出版社,2003.291.Jiao J,Lei W Y.Structure,Performance and Testing of Polymer[M].Beijing:Chemical Industry Press,2003.291. |
| [15] | Liu Y N,Yang H,Geraldine Tan,et al.Stress-induced fcc-hcp martensitic transformation in CoNi[J].Journal of Alloys and Compounds,2004,368 (1-2):157-163. |
| [16] | Waitz T,Karnthaler H P.The fcc to hcp martensitic phase transformation in CoNi studied by TEM and AFM methods[J].ActaMater,1997,45(2):837-847. |
| [17] | Narayanan S,Selvakumar S,Stephen A.Electroless ternary alloy deposites:Preparation and characteristics[J].Surface and Coatings Technology,2003,172(2-3):298-307. |
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