Topological magnets: functions based on Berry phase and multipoles

S Nakatsuji, R Arita - Annual Review of Condensed Matter …, 2022 - annualreviews.org
Macroscopic responses of magnets are often governed by magnetization and, thus, have
been restricted to ferromagnets. However, such responses are strikingly large in the newly …

Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl

P Li, J Koo, W Ning, J Li, L Miao, L Min, Y Zhu… - Nature …, 2020 - nature.com
Weyl semimetals exhibit unusual surface states and anomalous transport phenomena. It is
hard to manipulate the band structure topology of specific Weyl materials. Topological …

Noncollinear Mn3Sn for antiferromagnetic spintronics

X Wang, H Yan, X Zhou, H Chen, Z Feng, P Qin… - Materials Today …, 2022 - Elsevier
In recent years, antiferromagnetic spintronics has attracted enormous attentions due to the
great potential for next-generation picosecond and highly packed information technology …

Intrinsic anomalous Nernst effect amplified by disorder in a half-metallic semimetal

L Ding, J Koo, L Xu, X Li, X Lu, L Zhao, Q Wang, Q Yin… - Physical Review X, 2019 - APS
Intrinsic anomalous Nernst effect, like its Hall counterpart, is generated by Berry curvature of
electrons in solids. Little is known about its response to disorder. In contrast, the link …

Field-linear anomalous Hall effect and Berry curvature induced by spin chirality in the kagome antiferromagnet Mn3Sn

X Li, J Koo, Z Zhu, K Behnia, B Yan - Nature communications, 2023 - nature.com
During the past two decades, it has been established that a non-trivial electron wave-
function topology generates an anomalous Hall effect (AHE), which shows itself as a Hall …

Anomalous and topological Hall effects in epitaxial thin films of the noncollinear antiferromagnet

JM Taylor, A Markou, E Lesne, PK Sivakumar, C Luo… - Physical Review B, 2020 - APS
Noncollinear antiferromagnets with a D 0 19 (space group= 194, P 6 3/mmc) hexagonal
structure have garnered much attention for their potential applications in topological …

Chiral domain walls of Mn3Sn and their memory

X Li, C Collignon, L Xu, H Zuo, A Cavanna… - Nature …, 2019 - nature.com
Magnetic domain walls are topological solitons whose internal structure is set by competing
energies which sculpt them. In common ferromagnets, domain walls are known to be of …

Evidence for Weyl fermions in a canonical heavy-fermion semimetal YbPtBi

CY Guo, F Wu, ZZ Wu, M Smidman, C Cao… - Nature …, 2018 - nature.com
The manifestation of Weyl fermions in strongly correlated electron systems is of particular
interest. We report evidence for Weyl fermions in the heavy fermion semimetal YbPtBi from …

Finite-temperature violation of the anomalous transverse Wiedemann-Franz law

L Xu, X Li, X Lu, C Collignon, H Fu, J Koo, B Fauqué… - Science …, 2020 - science.org
The Wiedemann-Franz (WF) law has been tested in numerous solids, but the extent of its
relevance to the anomalous transverse transport and the topological nature of the wave …

Omnidirectional control of large electrical output in a topological antiferromagnet

T Higo, Y Li, K Kondou, D Qu, M Ikhlas… - Advanced Functional …, 2021 - Wiley Online Library
Control of magnetization direction is essential for the wide application of ferromagnets; it
defines the signal size of memory and sensor. However, the magnetization itself causes a …