Year: 2022
Type: article
Abstract: It is widely believed that the skyrmion Hall effect, often disruptive for device applications, vanishes for overall topologically neutral structures such as (synthetic) antiferromagnetic skyrmions and skyrmioniums due to a compensation of Magnus forces. In this paper, however, we report that in contrast to the case of spin-transfer-torque-driven skyrmion motion, this notion is generally false for spin-orbit-torque-driven objects. We show that the skyrmion Hall angle is directly related to their helicity and imposes an unexpected roadblock for developing faster and lower input racetrack memories based on spin-orbit torques.
Source: Physical Review Applied
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
Awards: G1633018821, G1871477277, G2095278010, TRR 173: Spin+X: Der Spin in seiner kollektiven Umgebung, Kontrollierte Erzeugung und Dynamik von topologischen magnetischen Texturen in Ferro und Antiferromagneten, Exploiting the internal dynamics of inhomogeneous magnetization states for technological and biomedical applications., TWIST Topologische Wirbel In SpinTronik, Kavli Institute for Theoretical Physics
OpenAlex ID: W3207930582