Abstract

用磁控溅射方法制备了NiFeⅠFeMnBiNiFeⅡ薄膜,研究了反铁磁薄膜FeMn与铁磁薄膜NiFeⅠ及NiFeⅡ间的交换偏置场Hex相对于分隔层Bi厚度的变化.发现随分隔层Bi厚度的增加,FeMn与NiFeⅠ间的交换偏置场Hex1几乎不变,FeMn与NiFeⅡ间的交换偏置场Hex2急剧减小.当Bi的厚度超过06nm时,FeMn与NiFeⅡ之间的交换偏置场从6925下降为0876kA·m-1.x射线光电子能谱(XPS)分析表明,沉积在FeMnNiFeⅡ界面的Bi并没有全部停留在界面处,至少有部分偏聚到Ni

Keywords:
Computer science

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Topics

Magnetic Properties and Applications
Physical Sciences →  Materials Science →  Electronic, Optical and Magnetic Materials

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