Design of 2D Skyrmionic Metamaterial Through Controlled Assembly
- URL: http://arxiv.org/abs/2402.10874v1
- Date: Fri, 16 Feb 2024 18:20:33 GMT
- Title: Design of 2D Skyrmionic Metamaterial Through Controlled Assembly
- Authors: Qichen Xu, Zhuanglin Shen, Alexander Edstr\"om, I. P. Miranda, Zhiwei
Lu, Anders Bergman, Danny Thonig, Wanjian Yin, Olle Eriksson, Anna Delin
- Abstract summary: This work focuses on a construction pathway of skyrmionics metamaterial within a monolayer thin film.
We suggest several promising lattice-like, flakes-like, and cell-like skyrmionic metamaterials that are surprisingly stable.
We present a novel method for integrating control assembly protocols for the stabilization and investigation of topological magnets.
- Score: 32.73124984242397
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Despite extensive research on magnetic skyrmions and antiskyrmions, a
significant challenge remains in crafting nontrivial high-order skyrmionic
textures with varying, or even tailor-made, topologies. We address this
challenge, by focusing on a construction pathway of skyrmionics metamaterial
within a monolayer thin film and suggest several promising lattice-like,
flakes-like, and cell-like skyrmionic metamaterials that are surprisingly
stable. Central to our approach is the concept of 'simulated controlled
assembly', in short, a protocol inspired by 'click chemistry' that allows for
positioning topological magnetic structures where one likes, and then allowing
for energy minimization to elucidate the stability. Utilizing high-throughput
atomistic-spin-dynamic (ASD) simulations alongside state-of-the-art AI-driven
tools, we have isolated skyrmions (topological charge Q=1), antiskyrmions
(Q=-1), and skyrmionium (Q=0). These entities serve as foundational 'skyrmionic
building blocks' to forming reported intricate textures. In this work, two key
contributions are introduced to the field of skyrmionic systems. First, we
present a novel method for integrating control assembly protocols for the
stabilization and investigation of topological magnets, which marks a
significant advancement in the ability to explore new skyrmionic textures.
Second, we report on the discovery of skyrmionic metamaterials, which shows a
plethora of complex topologies that are possible to investigate theoretically
and experimentally.
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