Enhanced (200) Orientation in FeCo/SiO2 Nanocomposite Films by Sol-Gel Spin-Coating on Al Underlayer
Enhanced (200) Orientation in FeCo/SiO2 Nanocomposite Films by Sol-Gel Spin-Coating on Al Underlayer
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通过在 Al 底层上进行溶胶-凝胶旋涂增强 FeCo/SiO2 纳米复合薄膜的 (200) 取向
DOI：
10.1007/s10948-015-3340-y
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发表时间：
2016-03-01
影响因子：
1.8
通讯作者：
Li, Haibo
中科院分区：
文献类型：
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作者：
Liu, Mei;Shi, Lijia;Li, Haibo
采用直流磁控溅射在Si(100)衬底上沉积不同厚度的Al底层，然后采用溶胶凝胶旋涂结合氢还原技术在Al底层上制备FeCo/SiO2纳米复合薄膜。通过X射线衍射和振动样品磁强计研究了Al底层厚度对结构和磁性能的影响。结果表明，随着Al底层厚度的增加，FeCo衍射峰(200)和(110)的积分强度比I(200)/I(110)和薄膜的饱和磁化强度先增大后减小，矫顽力先减小后增大。具有3 nm Al底层的样品的最大I（200）/ I（110）值高达13，表明薄膜中的FeCo具有较强的（200）织构，薄膜具有最好的软磁性能，饱和磁化强度最大，矫顽力最小。
Variousthickness Al underlayers were deposited on Si (100) substrates by DC magnetron sputtering, and then FeCo/SiO2 nanocomposite films were prepared on Al underlayer through sol-gel spin-coating combined with hydrogen reduction technique. The effects of Al underlay thickness on the structure and magnetic properties have been investigated by X-ray diffraction and vibrating sample magnetometer. The results indicate that integrated intensity ratio I(200)/I(110) of diffraction peaks (200) and (110) of FeCo, and the saturation magnetization of the films firstly increase then decrease, while the coervicity first decreases then increases with increasing Al underlayer thickness. The specimen with 3-nm Al underlayer has the largest I(200)/ I(110) value as high as 13, indicating that FeCo in the film has a strong (200) texture, and the film has the best soft magnetic property with the maximum saturation magnetization and the minimum coercivity.