AI Insight
Researchers have demonstrated that optical skyrmions, which are structured light patterns, can be used to control the movement of magnetic skyrmions in materials. Magnetic skyrmions are nanoscale swirling magnetic patterns that behave like particles and can be manipulated with low energy. This work establishes a connection between optical and magnetic topological structures, offering a new method for precisely controlling magnetic skyrmions beyond existing techniques.
Why it matters
This discovery provides a potential pathway for developing more precise control mechanisms in next-generation data storage and computing devices that use magnetic skyrmions as information carriers. The ability to manipulate magnetic structures with light could lead to faster, more energy-efficient memory and logic technologies.
Understand the Science
Magnetic skyrmions (MSks) are swirling patterns of magnetization that form inside certain magnetic materials. They can behave like actual particles in many ways, exhibiting a stable internal structure and distinct boundaries. Because they are extremely small and can be pushed around with relatively little energy, MSks are regarded as promising information carriers in emerging technologies, including low-power memories and logic circuits. However, a major goal in the field has been to find practical ways to control their motion with high precision.
Source: Optical skyrmions can control the motion of magnetic skyrmions