Magnetic skyrmion materials

Y Tokura, N Kanazawa - Chemical Reviews, 2020 - ACS Publications
Skyrmion, a concept originally proposed in particle physics half a century ago, can now find
the most fertile field for its applicability, that is, the magnetic skyrmion realized in …

The role of spin in thermoelectricity

G Yang, L Sang, C Zhang, N Ye, A Hamilton… - Nature Reviews …, 2023 - nature.com
Thermoelectric (TE) materials and devices are crucial for renewable thermal-to-electrical
energy conversion applications. The optimization of TE performance can be achieved by …

[HTML][HTML] Topological transitions among skyrmion-and hedgehog-lattice states in cubic chiral magnets

Y Fujishiro, N Kanazawa, T Nakajima, XZ Yu… - Nature …, 2019 - nature.com
Manipulating topological spin textures is a key for exploring unprecedented emergent
electromagnetic phenomena. Whereas switching control of magnetic skyrmions, eg, the …

Direct visualization of the three-dimensional shape of skyrmion strings in a noncentrosymmetric magnet

S Seki, M Suzuki, M Ishibashi, R Takagi, ND Khanh… - Nature materials, 2022 - nature.com
Magnetic skyrmions are topologically stable swirling spin textures that appear as particle-
like objects in two-dimensional (2D) systems. Here, utilizing scalar magnetic X-ray …

Magnetic hedgehog lattices in noncentrosymmetric metals

S Okumura, S Hayami, Y Kato, Y Motome - Physical Review B, 2020 - APS
The magnetic hedgehog lattice (HL) is a noncoplanar magnetic texture with a periodic array
of magnetic monopoles and antimonopoles. Despite phenomenological and numerical …

Direct observation of the statics and dynamics of emergent magnetic monopoles in a chiral magnet

N Kanazawa, A Kitaori, JS White, V Ukleev… - Physical review …, 2020 - APS
In the three-dimensional (3D) Heisenberg model, topological point defects known as spin
hedgehogs behave as emergent magnetic monopoles, ie, quantized sources and sinks of …

Replica symmetry breaking in the RKKY skyrmion-crystal system

K Mitsumoto, H Kawamura - Physical Review B, 2021 - APS
We study the RKKY Heisenberg model on a three-dimensional stacked-triangular lattice
under magnetic fields by extensive Monte Carlo simulations to get insight into the chiral …

Engineering skyrmions and emergent monopoles in topological spin crystals

Y Fujishiro, N Kanazawa, Y Tokura - Applied Physics Letters, 2020 - pubs.aip.org
Spin structures with a non-trivial topology can emerge through the complex interplay of
underlying magnetic interactions. Representative examples are magnetic skyrmions and …

Transferability of neural network potentials for varying stoichiometry: Phonons and thermal conductivity of MnxGey compounds

C Mangold, S Chen, G Barbalinardo, J Behler… - Journal of Applied …, 2020 - pubs.aip.org
Germanium manganese compounds exhibit a variety of stable and metastable phases with
different stoichiometries. These materials entail interesting electronic, magnetic, and thermal …

High-Temperature Intrinsic Two-Dimensional-XY Ferromagnetism and Strong Magnetoelastic Coupling in Tetragonal Monolayer MnGe

Y Qu, Y Liao, J He, Y Chen, G Yao - The Journal of Physical …, 2024 - ACS Publications
The discovery of two-dimensional (2D) materials with novel magnetism is a compelling
problem of condensed material physics and materials science but is still a challenge. Here …