Spintronics Breakthrough: Unlocking the Power of Radial Vortices

Researchers have developed a method to create and stabilize complex spin textures, like radial vortices, using superconducting structures and surface defects. This advancement could significantly impact spintronics by allowing the use of various ferromagnetic materials and enhancing data storage and logic operations with lower power consumption. Credit: SciTechDaily.com

In some materials, spins form complex magnetic structures within the nanometre and micrometer scale in which the magnetization direction twists and curls along specific directions. Examples of such structures are magnetic bubbles, skyrmions, and magnetic vortices. The team led by Sergio Valencia analyzed the samples with photoemission electron microscopy using XMCD at BESSY II. The images show the radially aligned spin textures in a round and a square sample consisting of a ferromagnetic material on a superconducting YBCO island. The white arrow shows the incident X-ray beam. Credit: © HZBSamples consist of micrometer-sized islands made of the high-temperature superconductor YBCO on which a ferromagnetic compound is deposited.

Source: Tech Daily Report (techdailyreport.net)

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