采用直流磁控溅射在表面氧化的Si (001)基片上制备了FePt/C纳米薄膜,将薄膜样品经过600℃真空退火处理1h获得L10-FePt薄膜.用X射线衍射仪(XRD)、振动样品磁强计(VSM)和扫描探针显微镜(SPM)对样品的结构、磁性和表面形貌进行测量和分析.结果表明:随着C底层厚度的增加,L10-FePt薄膜(001)取向度增强,有序化程度提高,矫顽力增大;C溅射时间为180s时,获得了具有(001)织构生长的L10-FePt薄膜.
参考文献
[1] | Leistner K;Schl(o)rb H;Thomas J et al.Remanence enhancement in nanoscaled electrodeposited FePt films[J].Applied Physics Letters,2008,92:052502. |
[2] | Garcia-Sanchez F;Chubykalo-Fesenko O;Mryasov O;Asselin P;Chantrell RW .Switching and thermal stability properties of bilayer thin films: Single versus multigrain cases[J].Journal of Applied Physics,2008(7 Pt.3):F7505-1-F7505-3-0. |
[3] | Wiedwald U;Klimmer A;Kern B et al.Lowering of L10 ordering temperature of FePt nanoparticles by He + ion irradiation[J].Applied Physics Letters,2007,90:062508. |
[4] | Ki-Eun Kim;Myung-Ki Lee;Yun-Mo Sung;Tae Geun Kim .Enhanced L1_(0) chemical ordering and FePt/Fe_(3)O_(4) core/shell structure formation in Zn-doped FePt nanoparticles[J].Applied physics letters,2007(17):173117-1-173117-3-0. |
[5] | Wenfeng LIU,Fang WANG,Xiaohong XU.(001)-oriented FePt/Ag composite films for perpendicular recording[J].金属学报(英文版),2009(05):392-396. |
[6] | Yang F J;Wang Hao;Wang H B et al.Microstructures and magnetic properties of (001) oriented FePt/B4C composite films[J].Applied Physics Letters,2007,102:106101. |
[7] | Scki T O;Takahashi Y K;Hono K .Microtrucutrue and magnetic properties of FePt-SiO2 granular films with Ag addition[J].Journal of Applied Physics,2008,103:023910. |
[8] | Rong CB;Poudyal N;Chaubey GS;Nandwana V;Liu Y;Wu YQ;Kramer MJ;Kozlov ME;Baughman RH;Liu JP .High thermal stability of carbon-coated L1(0)-FePt nanoparticles prepared by salt-matrix annealing[J].Journal of Applied Physics,2008(7 Pt.3):E7131-1-E7131-3-0. |
[9] | Chen J S;Hu J F;Lim B C et al.High coercive L10 FePt-C (001) nanocomposite films with small grain size for perpendicular recording media[J].Journal of Applied Physics,2008,103:07F517. |
[10] | Okamoto Satoshi;Kitakami Osamu .Epitaxially grown L10-FePt/(C,Si02 and Al2O3) granular films[J].Journal of Magnetism and Magnetic Materials,2007,310(02):2367-2368. |
[11] | Yu, Y.S.;Li, H.;Li, W.L.;Liu, M.;Yue, L.P.;Fei, W.D.;Sellmyer, D.J. .Structure and magnetic properties of annealed metastable FeAg/Pt films[J].Applied physics, A. Materials science & processing,2011(2):301-307. |
[12] | Wei DH;Yuan FT;Chang HW;You KL;Liou Y;Yao YD;Wu JK .Magnetization reversal and microstructure of FePt-Ag (001) particulate thin films for perpendicular magnetic recording media[J].Journal of Applied Physics,2008(7 Pt.3):E7116-1-E7116-3-0. |
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