Thermal Evolution of Skyrmions in Synthetic Ferrimagnets
Analysis
This paper investigates the temperature and field-dependent behavior of skyrmions in synthetic ferrimagnetic multilayers, specifically Co/Gd heterostructures. It's significant because it explores a promising platform for topological spintronics, offering tunable magnetic properties and addressing limitations of other magnetic structures. The research provides insights into the interplay of magnetic interactions that control skyrmion stability and offers a pathway for engineering heterostructures for spintronic applications.
Key Takeaways
- •Investigates skyrmion behavior in Co/Gd synthetic ferrimagnets.
- •Demonstrates room temperature skyrmion stabilization.
- •Provides insights into the influence of Co and Gd sublattices on magnetization.
- •Develops a spin model to reproduce experimental observations.
- •Offers a pathway for engineering heterostructures for spintronic applications.
Reference
“The paper demonstrates the stabilization of 70 nm-radius skyrmions at room temperature and reveals how the Co and Gd sublattices influence the temperature-dependent net magnetization.”