Experimental investigation and micromagnetic simulations of hybrid cocr2o4/ni coaxial nanostructures
文献类型：期刊论文
| 作者 | Li,W J1,2; Wang,C J3; Zhang,X M1,2; Irfan,M1,2; Khan,U1,2; Liu,Y W3; Han,X F1,2 |
| 刊名 | Nanotechnology
 |
| 出版日期 | 2018-04-16 |
| 卷号 | 29期号:24 |
| ISSN号 | 0957-4484 |
| 关键词 | Electrodeposition Cocr2o4/ni Core–shell nanowires Aao templates |
| DOI | 10.1088/1361-6528/aab9e4 |
| 英文摘要 | Abstract multiphase cocr2o4/ni core–shell nanowires (nws) have been synthesized within anodic aluminum oxide membranes by the combination of the sol–gel method with electrodeposition techniques. x-ray diffraction and x-ray photoemission spectroscopy results confirmed the formation of a cubic spinel structure of cocr2o4 shell with space group fd-3m (227). the morphology and composition of the as-grown nws were studied by field emission scanning electron microscopy, as well as transmission electron microscopy. the magnetic properties of the cocr2o4 nt shell and hybrid cocr2o4/ni nws were measured at low temperature using a physical property measurement system. the temperature dependence of the magnetization curves showed that cocr2o4 nts undergo a transition from a paramagnetic state to a ferrimagnetic state at about 90 k and a spiral ordering transition temperature near 22 k. an enhanced coercivity and saturation field were observed for the cocr2o4/ni core–shell nws compared to the single-phase ni nws. micromagnetic simulation results indicated that there is a strong coupling between the shell and core layers during the magnetization reversal process. the combination of hard cocr2o4 and soft ni in a single nw structure may have potential applications in future multifunctional devices. |
| 语种 | 英语 |
| 出版者 | IOP Publishing |
| WOS记录号 | IOP:0957-4484-29-24-AAB9E4 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2374005 |
| 专题 | 物理研究所 |
| 作者单位 | 1.Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China 2.University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China 3.School of Physics Science and Engineering, Tongji University, Shanghai 200092, People’s Republic of China |
| 推荐引用方式 GB/T 7714 | Li,W J,Wang,C J,Zhang,X M,et al. Experimental investigation and micromagnetic simulations of hybrid cocr2o4/ni coaxial nanostructures[J]. Nanotechnology,2018,29(24). |
| APA | Li,W J.,Wang,C J.,Zhang,X M.,Irfan,M.,Khan,U.,...&Han,X F.(2018).Experimental investigation and micromagnetic simulations of hybrid cocr2o4/ni coaxial nanostructures.Nanotechnology,29(24). |
| MLA | Li,W J,et al."Experimental investigation and micromagnetic simulations of hybrid cocr2o4/ni coaxial nanostructures".Nanotechnology 29.24(2018). |
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来源：物理研究所
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