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New mechanism enables electrical control of magnetization in magnetic nanodevices

New Microscopy Method Shows How Electron Interactions Stabilize Skyrmions

New Microscopy Method Shows How Electron Interactions Stabilize Skyrmions Written by AZoNanoMar 8 2021 Physicists from RIKEN have found how interactions between electrons have the ability to stabilize a repeating arrangement of swirling magnetic patterns called skyrmions, which could enable these structures to be leveraged further. The crystal structure of gadolinium ruthenium silicide, which can host a square lattice of swirling magnetic skyrmions (orange = gadolinium; green = ruthenium; blue = silicon). Image Credit: © 2021 Y. Yasui et al. An electron acts like a miniature magnet due to its spin. In the case of a skyrmion, several such spins are arranged in a swirling pattern resembling a small tornado. Skyrmions are particles that exhibit high potential to carry information in a completely new generation of low energy, high density data storage devices.

Scanning tunneling microscopy reveals origins of stable skyrmion lattices

Date Time Scanning tunneling microscopy reveals origins of stable skyrmion lattices Figure 1: The crystal structure of gadolinium ruthenium silicide, which can host a square lattice of swirling magnetic skyrmions (orange = gadolinium; green = ruthenium; blue = silicon). Modified from Ref. 1 and licensed under CC BY 4.0 © 2021 Y. Yasui et al. RIKEN physicists have discovered how interactions between electrons can stabilize a repeating arrangement of swirling magnetic patterns known as skyrmions, which could help to further exploit these structures 1. The spin of an electron causes it to behave like a miniature magnet. In a skyrmion, many of these spins are arranged in a swirling pattern that resembles a tiny tornado. Skyrmions are highly promising as a means of carrying information in a new generation of high-density, low-energy data-storage devices.

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