ArticleProceedings of the National Academy of Sciences of the United States of America2022
Emergent elastic fields induced by topological phase transitions: Impact of molecular chirality and steric anisotropy.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Ordering of room-temperature magnetic skyrmions in a polar van der Waals magnet.Nature communications · 2023Article
- Phase-separation physics underlies new theory for the resilience of patchy ecosystems.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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2 authors.
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Abstract
SignificanceChirality, the property of an object that cannot be superimposed on its mirror image, plays an essential role in condensed matter, such as magnetic, electronic, and liquid crystal systems. Topological phases emerge in such chiral materials, wherein helical and vortex-like structures-called skyrmions-are observed. However, the role of elastic fields in these topological phases remains unexplored. Here, we construct a molecular model of two-dimensional crystals incorporating steric anisotropy and chiral interactions to elucidate this problem. The coupling between the elastic fields and phase transitions between uniform, helical, and half-skyrmion phases can be utilized to switch these topological phases by external forces. Our results provide a fundamental physical principle for designing topological materials using chiral molecular and colloidal crystals.
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