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EnglishIn this article, we analyze by modeling two possible mechanisms for magnetization switching using spin-orbit torques, which have been reported to cause field-free deterministic switching in experiments. Here we compare the field-free magnetization switching due to a tilt of the anisotropy direction against the use of an antiferromagnetic bias field. Simple results obtained analytically show that a bias field not only causes the magnetization reversal but also reduces the corresponding energy barrier. The critical current required for magnetization switching is analyzed on the basis of a macrospin model. It is shown that although the field-free deterministic switching caused by a tilt of the anisotropy is more robust than the bias field in the development of memory elements, a compromise between requirements has to be adopted when selecting the parameters for specific applications.
| Titolo: | A comparison of two different mechanisms for deterministic spin orbit torque magnetization switching |
| Autori: | PASQUALE, MASSIMO [Writing – Review & Editing] |
| Data di pubblicazione: | 2020 |
| Rivista: | |
| Handle: | http://hdl.handle.net/11696/61885 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| comparison arXiv 2003.05468.pdf | Authors pre-print available on arXiv | Documento in Pre-print | Open Access Visualizza/Apri |
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