Nanowerk November 24, 2021
The key to creating spintronics devices is the ability to effectively manipulate, and measure, a single tiny vortex. Researchers in Japan used a thin magnetic plate made up of a compound of cobalt, zinc, and manganese which is known as a chiral-lattice magnet. They directly observed the dynamics of a single skyrmion at room temperature and tracked the motions of the skyrmion and control its Hall motion directions by flipping the magnetic field when they subjected it to ultrafast pulses of electric current—on the scale of nanoseconds. They found that the skyrmion’s motion demonstrated a dynamic transition from a pinned static state to a flow motion by way of creep motion under the stimulus of electric current, and quantified the relatively fast velocity of the skyrmion, over 3 meters per second. According to the researchers their work will lead to further studies of dynamics of various topological spin textures, leading to the development of skyrmion-based devices…read more. Open Access TECHNICAL ARTICLEÂ
A single skyrmion in a Co9Zn9Mn2-based microdevice at room temperature (RT). Credit: Nature Communications volume 12, Article number: 6797 (2021)Â