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https://doi.org/10.1063/1.4953672
Title: | Toward error-free scaled spin torque majority gates | Authors: | Vaysset, A Manfrini, M Nikonov, D.E Manipatruni, S Young, I.A Pourtois, G Radu, I.P Thean, A |
Keywords: | Critical size Domain wall width Energy landscape Majority gates Material parameter Micromagnetic simulations Operating condition Spin torque |
Issue Date: | 2016 | Citation: | Vaysset, A, Manfrini, M, Nikonov, D.E, Manipatruni, S, Young, I.A, Pourtois, G, Radu, I.P, Thean, A (2016). Toward error-free scaled spin torque majority gates. AIP Advances 6 (6) : 65304. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4953672 | Rights: | Attribution 4.0 International | Abstract: | The functionality of a cross-shaped Spin Torque Majority Gate is explored by means of micromagnetic simulations. The different input combinations are simulated varying material parameters, current density and size. The main failure mode is identified: above a critical size, a domain wall can be pinned at the center of the cross, preventing further propagation of the information. By simulating several phase diagrams, the key parameters are obtained and the operating condition is deduced. A simple relation between the domain wall width and the size of the Spin Torque Majority Gate determines the working range. Finally, a correlation is found between the energy landscape and the main failure mode. We demonstrate that a macrospin behavior ensures a reliable majority gate operation. @ 2016 Author(s). | Source Title: | AIP Advances | URI: | https://scholarbank.nus.edu.sg/handle/10635/183332 | ISSN: | 21583226 | DOI: | 10.1063/1.4953672 | Rights: | Attribution 4.0 International |
Appears in Collections: | Staff Publications Elements |
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