采用磁控溅射在SiO2<0001>基片上制备了FePt(2 nm)/Au(t nm)多层膜,将其在不同温度下进行热处理.利用X射线荧光光谱仪、X射线衍射仪、振动样品磁强计和原子力显微镜对样品的结构和性能进行了研究.结果表明,沉积态样品具有超晶格结构,fcc FePt和Au共格生长.经过较低温度热处理后,样品仍然保持超晶格结构.样品经400℃热处理后,开始发生有序化转变.经600℃热处理后,平行于膜面和垂直于膜面的矫顽力分别为811.7和829.2 kA·m-1.当t=2.5 nm时,最有利于L10-FePt相的形成.在磁化过程中,畴壁移动和磁矩转动机制共存.样品经热处理后,形成了均匀的薄膜.
参考文献
| [1] | Chen S C;Kuo P C;Chou C Y et al.[J].Journal of Applied Physics,2005,97:10N107. |
| [2] | Feng C;Li B H;Liu Y et al.[J].Journal of Applied Physics,2008,103:23916. |
| [3] | Sun H Y;Xu J L;Feng S Z et al.[J].Applied Physics Letters,2006,88:19250. |
| [4] | Yao B;Coffey K R .[J].Journal of Applied Physics,2008,103:07E107. |
| [5] | O'Connor C J;Sims A;Kumbhar A et al.[J].Journal of Magnetism and Magnetic Materials,2001,226:1915. |
| [6] | Wei D H;Yuan F T;Chang H W et al.[J].Journal of Applied Physics,2008,103:07E116. |
| [7] | Hinzke D;Nowak U;Chantrell R W et al.[J].Applied Physics Letters,2007,90:82507. |
| [8] | Goll D;Breitling A;Gu L et al.[J].Journal of Applied Physics,2008,104:83903. |
| [9] | Ding Y;Wei D W;Yao Y D .[J].Journal of Applied Physics,2008,103:07E145. |
| [10] | Shima T;Takanashi K;Takahashi Y K et al.[J].Applied Physics Letters,2004,85:13. |
| [11] | Feng C;Zhan Q;Li B H et al.[J].Applied Physics Letters,2008,93:152513. |
| [12] | Chang C W;Chang H W;Chiu C H et al.[J].Journal of Applied Physics,2007,101:09K514. |
| [13] | Platt C L;Wierman K W;Svedberg E B et al.[J].Journal of Applied Physics,2002,92:10. |
| [14] | George T A;Li Z;Yah M L et al.[J].Journal of Applied Physics,2008,103:07D502. |
| [15] | 李小丽,许小红,武海顺.[FePt/C]n多层膜的结构和磁学性能[J].稀有金属材料与工程,2005(09):1509-1512. |
| [16] | You C Y;Takahashi Y K;Hono K .[J].Journal of Applied Physics,2006,100:56105. |
| [17] | Yuan F T;Chen S K;Chang W C et al.[J].Applied Physics Letters,2004,85:15. |
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