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Size-dependent structure and magnetic properties of co-evaporated Fe-SiO2 nanoparticle composite film under high magnetic field
Ma, Yonghui; Li, Guojian; Du, Jiaojiao; Li, Mengmeng; Wang, Jianhao; Wang, Qiang; Li, GJ (reprint author), Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, POB 314,11,Lane 3,Wenhua Rd, Shenyang 110819, Peoples R China.
2016-05-01
发表期刊AIP ADVANCES
ISSN2158-3226
卷号6期号:5
摘要Composite film of Fe nanoparticles embedded in a SiO2 matrix has been prepared by the co-evaporation of Fe and SiO2. Both source temperature and in-situ high magnetic field (HMF) have been used to adjust the Fe particle size and the growth of Fe-SiO2 film. The size of Fe particle decreased with increasing the source temperature without HMF. When HMF was presented during the growth of the film, the size of Fe particle was enlarged and reduced for source temperatures of 1300 degrees C and 1400 degrees C, respectively. Meanwhile, the preferred orientation of the film grown at 1400 degrees C became uniform with the application of HMF. In addition, it is also found that the film was formed in two layers. One layer is formed by the Fe particle, while the other is free of Fe particles due to the existence of more SiO2. The structural variation has a significant effect on the magnetic properties. The coercivity (90 Oe) of the 1300 degrees C film is much higher than that (6 Oe) of the 1400 degrees C film with a small particle size and uniform orientation. The saturation magnetization can be increased by increasing the Fe particle volume fraction. This study develops a new method to tune the soft magnetic properties by the co-evaporation of Fe and SiO2. (C) 2016 Author(s).
部门归属[ma, yonghui ; li, guojian ; du, jiaojiao ; li, mengmeng ; wang, jianhao ; wang, qiang] northeastern univ, minist educ, key lab electromagnet proc mat, pob 314,11,lane 3,wenhua rd, shenyang 110819, peoples r china ; [ma, yonghui] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china
学科领域Science & Technology - Other Topics ; Materials Science ; Physics
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75881
专题中国科学院金属研究所
通讯作者Li, GJ (reprint author), Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, POB 314,11,Lane 3,Wenhua Rd, Shenyang 110819, Peoples R China.
推荐引用方式
GB/T 7714
Ma, Yonghui,Li, Guojian,Du, Jiaojiao,et al. Size-dependent structure and magnetic properties of co-evaporated Fe-SiO2 nanoparticle composite film under high magnetic field[J]. AIP ADVANCES,2016,6(5).
APA Ma, Yonghui.,Li, Guojian.,Du, Jiaojiao.,Li, Mengmeng.,Wang, Jianhao.,...&Li, GJ .(2016).Size-dependent structure and magnetic properties of co-evaporated Fe-SiO2 nanoparticle composite film under high magnetic field.AIP ADVANCES,6(5).
MLA Ma, Yonghui,et al."Size-dependent structure and magnetic properties of co-evaporated Fe-SiO2 nanoparticle composite film under high magnetic field".AIP ADVANCES 6.5(2016).
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