Chiral Skyrmions Interacting with Chiral Flowers
Xichao Zhang, Jing Xia, Oleg A Tretiakov, Motohiko Ezawa, Guoping Zhao, Yan Zhou, Xiaoxi Liu, Masahito Mochizuki · 2023
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Description
Xichao Zhang and co-authors watch a lone magnetic whirlpool wander near a flower-shaped obstacle. The whirlpool is a skyrmion, a tiny twisted knot of magnetism in a thin ferromagnetic film. The flower shares its handed twist. Heat alone sets the skyrmion drifting at random, with no push from current or a slope in temperature.
As the skyrmion roams, its dance couples to the chiral flower in ways set by their shared topology. The pair can steer where the skyrmion settles and how skyrmions spread out. The effect counts as order arising from disorder at a small scale, found only in ferro- and ferrimagnetic systems. The authors suggest the coupling could sort skyrmions in future devices without any driving force at all.
Catalog record
| CREATOR | Xichao Zhang, Jing Xia, Oleg A Tretiakov, Motohiko Ezawa, Guoping Zhao, Yan Zhou, Xiaoxi Liu, Masahito Mochizuki |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 31 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |