SOT-news in Nature Communications
The paper ‘Large out-of-plane spin–orbit torque in topological Weyl semimetal TaIrTe4’ has been published in Nature Communications.
Conventional spin–orbit torque (SOT) materials provide only an in-plane spin-polarized current, recently, a large out-of-plane damping-like SOT at room temperature was reported by Prof. Saroj P. Dash’s group from Chalmers University of Technology.
In this work, spin–torque ferromagnetic resonance (STFMR) and second harmonic Hall measurements on devices based on TaIrTe4/Ni80Fe20 heterostructures were studied, and the out-of-plane spin Hall conductivity is an order of magnitude higher than the reported values in other materials. The antisymmetric SOT component has the potential to realize spintronic technologies by enabling efficient manipulation of magnetic materials with perpendicular magnetic anisotropy, leading to high-density, faster, and energy-efficient memory, logic and communication technologies.
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Prof. Saroj P. Dash is also the project coordinator of the EU-funded project 2DSPIN-TECH within the Graphene Flagship initiative. Here, they use 2D quantum materials and their heterostructures to develop memory devices based on spintronics. To achieve this, the project brings together pioneering and world-leading experimental and theoretical researchers and a company in the field of spintronics and 2D materials in Europe.
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