Collective Motions Assisted by Magnetostatic Interactions in Coupled Domain Wall System
We have investigated the coupling between a transverse head-to-head domain wall and a transverse tail-to-tail domain wall in closely spaced Ni 80 Fe 20 nanowires. Micromagnetic simulation shows that the two domain walls are coupled to each other. When spin-polarized current is applied to any of the...
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| Veröffentlicht in: | IEEE transactions on magnetics 2011-10, Vol.47 (10), p.3081-3084 |
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| container_title | IEEE transactions on magnetics |
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| creator | Purnama, I. Sekhar, M. C. Goolaup, S. Wen Siang Lew |
| description | We have investigated the coupling between a transverse head-to-head domain wall and a transverse tail-to-tail domain wall in closely spaced Ni 80 Fe 20 nanowires. Micromagnetic simulation shows that the two domain walls are coupled to each other. When spin-polarized current is applied to any of the nanowires, the two domain walls move in the same direction. The Walker breakdown limit in such system is shifted to higher current density. We have also observed that the coupling is broken for some combinations of initial magnetizations of the two domain walls. |
| doi_str_mv | 10.1109/TMAG.2011.2158635 |
| format | Article |
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We have also observed that the coupling is broken for some combinations of initial magnetizations of the two domain walls.</description><subject>Couplings</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Current density</subject><subject>Domain wall</subject><subject>Electric breakdown</subject><subject>Exact sciences and technology</subject><subject>Magnetic domain walls</subject><subject>Magnetic domains</subject><subject>Magnetosphere</subject><subject>Materials science</subject><subject>Nanowires</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>spin-polarized current</subject><subject>Walker breakdown</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLzk4nFrJsl-5FhWrYUWD1Z6XKZJViLbTdlEof_elJUehuFlnncODyH3wGYATD1t1vPFjDOAGYe8KkR-QSagJGSMFeqSTBiDKlOykNfkJoTvFGUObEK2te86q6P7tXTto_N9oPMQXIjW0N2RrvGrt9GHiNFpuuyjHVCPmOtp7X8OXQKf_R5T3GLX0Y9j6u5vyVWLXbB3_3tKPl9fNvVbtnpfLOv5KtNc5TFD5KhabpmpqjSFqKA0TGjQAg1w3pbYCim03nG9UyghR84NLyqDgEYaMSUw_tWDD2GwbXMY3B6HYwOsOZlpTmaak5nm30zqPI6dAwaNXTtgr104F7ksBZNcJu5h5Jy19nwuGC9LpcQf4Uxtug</recordid><startdate>20111001</startdate><enddate>20111001</enddate><creator>Purnama, I.</creator><creator>Sekhar, M. 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| subjects | Couplings Cross-disciplinary physics: materials science rheology Current density Domain wall Electric breakdown Exact sciences and technology Magnetic domain walls Magnetic domains Magnetosphere Materials science Nanowires Other topics in materials science Physics spin-polarized current Walker breakdown |
| title | Collective Motions Assisted by Magnetostatic Interactions in Coupled Domain Wall System |
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