Academic Journal
Deterministic multi-level spin orbit torque switching using focused He+ ion beam irradiation
| Title: | Deterministic multi-level spin orbit torque switching using focused He+ ion beam irradiation |
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| Authors: | Jinu Kurian, Aleena Joseph, Salia Cherifi-Hertel, Ciaran Fowley, Gregor Hlawacek, Peter Dunne, Michelangelo Romeo, Gwenaël Atcheson, J. M. D. Coey, Bernard Doudin |
| Contributors: | Marie Curie, European Commission, QUSTEC No. 847471, Marie Sk?odowska-Curie(MaMi No. 766007), COST Action FIT4NANO CA19140 |
| Source: | Applied Physics Letters |
| Publisher Information: | AIP Publishing, 2023. |
| Publication Year: | 2023 |
| Subject Terms: | magnetic and superconductive properties, Magnetism and spin electronics, electronic, Nanoscience & Materials, Condensed matter, Spintronics, 02 engineering and technology, 01 natural sciences, 7. Clean energy, Spin orbit torque switching, Education, Applied physics, Nanomagnetism, Condensed matter, electronic, magnetic and superconductive properties, 0103 physical sciences, Nanotechnology, Ion beam irradiation, Hall bars, 0210 nano-technology |
| Description: | He+ ion irradiation is used to pattern multiple areas of Pt/Co/W films with different irradiation doses in Hall bars. The resulting perpendicular magnetic anisotropy landscape enables selective multilevel current-induced switching with full deterministic control of the position and order of the individual switching elements. Key pattern design parameters are specified, opening a way to scalable multi-level switching devices. |
| Document Type: | Article |
| File Description: | application/pdf |
| Language: | English |
| ISSN: | 1077-3118 0003-6951 |
| DOI: | 10.1063/5.0131188 |
| Access URL: | http://people.tcd.ie/jcoey https://hdl.handle.net/2262/104379 |
| Rights: | CC BY |
| Accession Number: | edsair.doi.dedup.....2f1a3ae6807306d5b3f85b02a6c97c12 |
| Database: | OpenAIRE |
| ISSN: | 10773118 00036951 |
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| DOI: | 10.1063/5.0131188 |