WebJun 12, 2024 · This machine learning model can be used to rapidly and accurately identify the nanomagnet size, interfacial DMI strength, and … WebSep 20, 2024 · Recently, it was demonstrated that field-free switching could be achieved by combining spin-orbit torque (SOT) and Dzyaloshinskii-Moriya interaction (DMI). …
Field-Free Magnetization Switching by an Acoustic Wave
To understand the nature of current-induced magnetization switching in the presence of the in-plane coupling field in our devices, Kerr microscopy is utilized to visualize magnetization reversal process, as shown in Fig. 3, with current pulses of 100 ns in duration. It’s observed that small opposite domains … See more The film stack for field-free magnetization switching is substrate/Co(2)/Ru(0.85)/Co(2)/Ir(1.35)/Co(1.2)/Ta(2), with unit in nanometers. Here, the top thin Co layer is naturally perpendicularly magnetized due to … See more To study the SOT-driven magnetization switching, current pulses are injected along the current channel with each pulse length of 100 μs. The Hall voltage was measured after each write pulse with a read current of 100 … See more To provide further understanding of the experimental observations, the effect of pure spin current in the perpendicular Co layer is modeled by … See more WebSep 4, 2024 · However, the necessity of an in-plane magnetic field to induce deterministic switching is an obstacle to feasibility in practical applications. Here, it is shown that the … christian music by casting crowns
Spin Reflection-Induced Field-Free Magnetization Switching in ...
WebMay 1, 2024 · Partial magnetization switching was achieved by sweeping the pulsed current in both devices. These results show that current-induced partial magnetization switching can be realized in materials with high anisotropy energy (high perpendicular anisotropy and thick magnetic films). WebMay 8, 2024 · Coupling between the two sublayers provides an extra in-plane effective field and enables a field-free magnetization switching in the bilayer films. By summarizing … WebApr 6, 2024 · Spin-orbit torque (SOT) is a candidate technique in next generation magnetic random-access memory (MRAM). Recently, experiments show that some material with … christian music brooklyn tabernacle