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Ag保护层对TbFeCo磁光薄膜光学性质的影响
Influence of Ag Protective Layers on the Optical Property of TbFeCo Magneto-optical Films
【摘要】 用直流磁控溅射法制备出Ag/TbFeCo/Si(100)磁光薄膜。利用可变入射角椭圆偏振光谱仪测量了其可见光区的光学常数,给出薄膜介电函数实部和虚部随入射光子能量的变化规律,结果与经典的Drude模型相一致。同时把Ag/Si、Ag/TbFeCo/Si和TbFeCo/Si的光谱进行了比较,结果表明,由于Ag的高反射率,Ag/TbFeCo/Si的光谱更接近Ag。
【Abstract】 Ag/TbFeCo/Si(100) magneto-optical films were prepared by DC-magnetron sputtering. The dielectric constants of the Ag/TbFeCo/Si were measured by alterable angle ellipsometry. The results are consistent to Drude model. Besides, we compared the spectrum of Ag/Si Ag/TbFeCo/Si and TbFeCo/Si. The results of experiment indicated that the spectrum of Ag/TbFeCo/Si is much more close to that of Ag for its high reflectivity.
【关键词】 Ag/TbFeCo/Si(100)磁光薄膜；
椭偏光谱；
磁控溅射；
【Key words】 Ag/TbFeCo/Si (100) magneto-optical films； spectroscopic ellipsometry； magnetron sputtering；
【Key words】 Ag/TbFeCo/Si (100) magneto-optical films； spectroscopic ellipsometry； magnetron sputtering；
【基金】 贵州省教育厅大学生创业基金项目(701059101);贵州省科技厅自然科学基金资助项目(20033059);贵州省教育厅自然科学基金资助项目(2003315)
- 【文献出处】 磁性材料及器件 ,Journal of Magnetic Materials and Devices , 编辑部邮箱 ,2007年03期
- 【分类号】O484.4
- 【下载频次】75