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| Content Provider | PubMed Central |
|---|---|
| Author | Rodríguez, Luis A. Deen, Lorenz Córdoba, Rosa César, Magén Snoeck, Etienne Koopmans, Bert Teresa, José M. De |
| Editor | Huth, Michael |
| Copyright Year | 2015 |
| Abstract | Iron nanostructures grown by focused electron beam induced deposition (FEBID) are promising for applications in magnetic sensing, storage and logic. Such applications require a precise design and determination of the coercive field (H C), which depends on the shape of the nanostructure. In the present work, we have used the Fe2(CO)9 precursor to grow iron nanowires by FEBID in the thickness range from 10 to 45 nm and width range from 50 to 500 nm. These nanowires exhibit an Fe content between 80 and 85%, thus giving a high ferromagnetic signal. Magneto-optical Kerr characterization indicates that H C decreases for increasing thickness and width, providing a route to control the magnetization reversal field through the modification of the nanowire dimensions. Transmission electron microscopy experiments indicate that these wires have a bell-type shape with a surface oxide layer of about 5 nm. Such features are decisive in the actual value of H C as micromagnetic simulations demonstrate. These results will help to make appropriate designs of magnetic nanowires grown by FEBID. |
| Related Links | http://dx.doi.org/10.3762/bjnano.6.136 |
| Ending Page | 1331 |
| Page Count | 13 |
| Starting Page | 1319 |
| File Format | |
| ISSN | 21904286 |
| e-ISSN | 21904286 |
| Journal | Beilstein Journal of Nanotechnology |
| Volume Number | 6 |
| Language | English |
| Publisher | Beilstein-Institut |
| Publisher Date | 2015-06-01 |
| Access Restriction | Open |
| Rights Holder | Beilstein-Institut |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Physics and Astronomy Electrical and Electronic Engineering |
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