| Magnetic interactions and magnetization reversal in anisotropic La-Nd-Fe-B/Ta/Co multilayers and disks | |
| Liu, L.1,2; Zhao, X. T.1; Liu, W.1; Song, Y. H.1,2; Chang, Y.3; Li, S. K.1,2; Wei, L. N.1,2; Zhao, X. G.1; Zhang, Z. D.1 | |
| Corresponding Author | Liu, W.(wliu@imr.ac.cn) |
| 2019-11-01 | |
| Source Publication | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
 |
| ISSN | 0304-8853 |
| Volume | 489Pages:8 |
| Abstract | Understanding the magnetic interactions and magnetization reversal behaviors in composite magnets is helpful for exerting the optimum magnetic properties. In this work, we found that the squareness of the hysteresis loop is weakened by increasing the thickness of Ta space-layer in La-Nd-Fe-B/Ta/Co multilayers, but improved by designing the Co layer as periodic arrays of disks. Magnetization reversal behaviors were studied using first order reversal curves (FORC) and magnetic force microscopy (MFM). It has been found that the nucleation and propagation of new domains mainly lead to the irreversible magnetization process. By patterning the Co layer as periodic arrays of disks, the dipolar interaction is enhanced due to the shape-dependent anisotropy of Co disks, leading to better squareness. Our results benefit to understand the magnetic interactions and magnetization reversal behaviors in La-Nd-Fe-B/Co composite systems. |
| Funding Organization | State Key Project of Research and Development of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences |
| DOI | 10.1016/j.jmmm.2019.165476 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | State Key Project of Research and Development of China[2016YFB0700901] ; National Natural Science Foundation of China[51590883] ; National Natural Science Foundation of China[51471167] ; Chinese Academy of Sciences[KJZD-EW-M05-3] |
| WOS Research Area | Materials Science ; Physics |
| WOS Subject | Materials Science, Multidisciplinary ; Physics, Condensed Matter |
| WOS ID | WOS:000473578000044 |
| Publisher | ELSEVIER SCIENCE BV |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/134314 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Liu, W. |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China 3.Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China |
| Recommended Citation GB/T 7714 | Liu, L.,Zhao, X. T.,Liu, W.,et al. Magnetic interactions and magnetization reversal in anisotropic La-Nd-Fe-B/Ta/Co multilayers and disks[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2019,489:8. |
| APA | Liu, L..,Zhao, X. T..,Liu, W..,Song, Y. H..,Chang, Y..,...&Zhang, Z. D..(2019).Magnetic interactions and magnetization reversal in anisotropic La-Nd-Fe-B/Ta/Co multilayers and disks.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,489,8. |
| MLA | Liu, L.,et al."Magnetic interactions and magnetization reversal in anisotropic La-Nd-Fe-B/Ta/Co multilayers and disks".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 489(2019):8. |
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