Special Issue "Magnetism, Spintronics and Symmetries"
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 308
Special Issue Editor
Interests: spin torque induced magnetization dynamics; spintronics and nanomagnetism; spin hall effect; spin pumping; skyrmions
Special Issue Information
Dear Colleagues,
Symmetry is known to play a significant role in the magnetic properties of materials. For instance, in single-crystalline magnetic materials, crystal symmetry leads to magnetic anisotropy and anisotropic transport properties. Spintronics aims to develop efficient memory and logic devices that rely on the spin of the electron.
A promising method for the electrical manipulation of magnetization is via spin-orbit torques, which can be generated by either the spin Hall effect or the Rashba–Edelstein effect. The necessary condition for generating a Rashba–Edelstein effect-induced spin-orbit torque is broken inversion symmetry, which is generally fulfilled in heterostructures involving a ferromagnet and heavy metal.
The Dzyaloshinskii–Moriya interaction is an antisymmetric exchange interaction that has originated from broken inversion symmetry at the interface between a ferromagnet and a heavy metal. This interaction leads to canted spin configurations, giving rise to various magnetization structures at the nanoscale, such as skyrmions, which are considered to be promising for the next generation of memory devices.
In the emerging area of antiferromagnetic spintronics, the combined space-inversion and time reversal symmetry in an antiferromagnet is advantageous for generating efficient spin-orbit torques. In magnetic quantum materials, substantial symmetry-protected topological states have also been found. This Special Issue seeks to cover all symmetry-driven magnetic and spintronic phenomena.
Dr. Pranaba Kishor Muduli
Guest Editor
Manuscript Submission Information
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Keywords
- spin hall effect and Rashba–Edelstein effect
- spin-orbit torques
- Dzyaloshinskii–Moriya interaction (DMI)
- magnetic skyrmions
- symmetry-driven properties in antiferromagnets and quantum materials
