Topological spin crystals by itinerant frustration

S Hayami, Y Motome - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Spin textures with nontrivial topology, such as vortices and skyrmions, have attracted
attention as a source of unconventional magnetic, transport, and optical phenomena …

Polymorphism in post-dichalcogenide two-dimensional materials

H Bergeron, D Lebedev, MC Hersam - Chemical Reviews, 2021 - ACS Publications
Two-dimensional (2D) materials exhibit a wide range of atomic structures, compositions, and
associated versatility of properties. Furthermore, for a given composition, a variety of …

Evidence for a single-layer van der Waals multiferroic

Q Song, CA Occhialini, E Ergeçen, B Ilyas, D Amoroso… - Nature, 2022 - nature.com
Multiferroic materials have attracted wide interest because of their exceptional static,–and
dynamical,–magnetoelectric properties. In particular, type-II multiferroics exhibit an inversion …

Giant chiral magnetoelectric oscillations in a van der Waals multiferroic

FY Gao, X Peng, X Cheng, E Viñas Boström, DS Kim… - Nature, 2024 - nature.com
Helical spin structures are expressions of magnetically induced chirality, entangling the
dipolar and magnetic orders in materials,,–. The recent discovery of helical van der Waals …

Emergent phenomena in magnetic two-dimensional materials and van der Waals heterostructures

Y Li, B Yang, S Xu, B Huang… - ACS Applied Electronic …, 2022 - ACS Publications
Two-dimensional (2D) materials and their van der Waals (vdW) heterostructures provide
powerful platforms for exploring fascinating physical phenomena and implementing …

Square skyrmion crystal in centrosymmetric itinerant magnets

S Hayami, Y Motome - Physical Review B, 2021 - APS
We theoretically investigate the origin of the square-type skyrmion crystal in centrosymmetric
itinerant magnets, motivated by the recent experimental findings in GdRu 2 Si 2 [ND Khanh …

Nature of excitons and their ligand-mediated delocalization in nickel dihalide charge-transfer insulators

CA Occhialini, Y Tseng, H Elnaggar, Q Song, M Blei… - Physical Review X, 2024 - APS
The fundamental optical excitations of correlated transition-metal compounds are typically
identified with multielectronic transitions localized at the transition-metal site, such as dd …

Possible Persistence of Multiferroic Order down to Bilayer Limit of van der Waals Material NiI2

H Ju, Y Lee, KT Kim, IH Choi, CJ Roh, S Son, P Park… - Nano …, 2021 - ACS Publications
Realizing a state of matter in two dimensions has repeatedly proven a novel route of
discovering new physical phenomena. Van der Waals (vdW) materials have been at the …

Manipulation of magnetic skyrmion in a 2D van der Waals heterostructure via both electric and magnetic fields

W Sun, W Wang, J Zang, H Li, G Zhang… - Advanced Functional …, 2021 - Wiley Online Library
As a promising candidate for the much‐desired low power consumption spintronic devices,
2D magnetic van der Waals material also provides a versatile platform for the design and …

First-principles approaches to magnetoelectric multiferroics

C Xu, H Yu, J Wang, H **ang - Annual Review of Condensed …, 2024 - annualreviews.org
Magnetoelectric multiferroics, which display both ferroelectric and magnetic orders, are
appealing because of their rich fundamental physics and promising technological …