Geometrical design for pure current-driven domain wall nucleation and shifting
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866909082210795520 |
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| author | Ruiz, David Osuna Alejos, Óscar Raposo, Víctor Martínez, Eduardo |
| author_facet | Ruiz, David Osuna Alejos, Óscar Raposo, Víctor Martínez, Eduardo |
| contents | Nucleation of domain walls by current-driving a single domain wall, confined to the junction area of two symmetrical strips, is investigated using systematic micromagnetic simulations. Secondary domain walls (equivalently, bits encoded in domains) are simultaneously nucleated and driven by alternatively applying current pulses between two terminals in the structure. Simulations show that nanosecond-duration current pulses nucleate and drive series of robust up/down domains even under realistic conditions. These results demonstrate a technique for sequentially nucleating and shifting domain walls without using attached external bit lines, fields or modifying the ferromagnetic strip. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_13579 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Geometrical design for pure current-driven domain wall nucleation and shifting Ruiz, David Osuna Alejos, Óscar Raposo, Víctor Martínez, Eduardo Materials Science Nucleation of domain walls by current-driving a single domain wall, confined to the junction area of two symmetrical strips, is investigated using systematic micromagnetic simulations. Secondary domain walls (equivalently, bits encoded in domains) are simultaneously nucleated and driven by alternatively applying current pulses between two terminals in the structure. Simulations show that nanosecond-duration current pulses nucleate and drive series of robust up/down domains even under realistic conditions. These results demonstrate a technique for sequentially nucleating and shifting domain walls without using attached external bit lines, fields or modifying the ferromagnetic strip. |
| title | Geometrical design for pure current-driven domain wall nucleation and shifting |
| topic | Materials Science |
| url | https://arxiv.org/abs/2401.13579 |