以A1、Cu、Ag、Mo、Cr为衬底层,在650℃热硅基片上制备了未经后退火工艺处理的SmCo基永磁薄膜,研究了薄膜内禀矫顽力的变化规律.结果表明,采用Mo和Cr作为衬底层可以提高薄膜的内禀矫顽力.SmCo基永磁薄膜的厚度对内禀矫顽力的影响复杂,当薄膜厚度为3.0 μm时,可以获得室温内禀矫顽力的最大值为281.6 kA·m-1.内禀矫顽力的温度依赖关系主要取决于薄膜的相关磁学参数,在25～300℃范围内,内禀矫顽力高于200 kA·m-1.
参考文献
| [1] | Peng, L.;Li, L.;Yang, D.;Zhu, X.;Li, Y. .Structure and magnetic field of periodic permanent magnetic focusing system with open magnetic rings[J].Journal of Magnetism and Magnetic Materials,2011(12):1686-1691. |
| [2] | Peng L;Zhang HW;Liu YL;Xiao JQ .Beneficial effect of rapid recurrent thermal annealing on magnetic properties of SmCo-based films[J].Journal of Magnetism and Magnetic Materials,2008(23):3234-3237. |
| [3] | Peng, L;Yang, QH;Zhang, HW;Song, YQ;Shen, J .Magnetization reversal process and intrinsic coercivity of sputtered Sm2Co17-based films[J].Journal of Magnetism and Magnetic Materials,2009(6):624-629. |
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