338 citations · 729 across the 19 of their papers we have counts for
19 papers
Concurrent Multifractality and Anomalous Hall Response in the Nodal Line Semimetal FeGeTe Near Localization
Subramanian Mathimalar, Ambikesh Gupta, Yotam Roet +19
Topological states of matter exhibit unique protection against scattering by disorder. Different topological classes exhibit distinct forms and degrees of protection. Here, we inve…
In-situ monitoring the magnetotransport signature of topological transitions in the chiral magnet MnPtSn
Andy Thomas, Darius Pohl, Alexander Tahn +8
Emerging magnetic fields related to the presence of topologically protected spin textures such as skyrmions are expected to give rise to additional, topology-related contributions…
Observation of an unexpected negative magnetoresistance in magnetic Weyl semimetal CoSnS
Ali G. Moghaddam, Kevin Geishendorf, Richard Schlitz +8
Time-reversal symmetry breaking allows for a rich set of magneto-transport properties related to electronic topology. Focusing on the magnetic Weyl semimetal CoSnS, we…
Hybrid Bloch-Néel spiral states in MnPtSn probed by resonant soft x-ray scattering
A. S. Sukhanov, V. Ukleev, P. Vir +5
Multiple intriguing phenomena have recently been discovered in tetragonal Heusler compounds, where symmetry sets a unique interplay between Dzyaloshinskii-Moriya (DM) and…
Antiskyrmions and their electrical footprint in crystalline mesoscale structures of MnPtSn
Moritz Winter, Francisco J. T. Goncalves, Ivan Soldatov +17
Skyrmionic materials hold the potential for future information technologies, such as racetrack memories. Key to that advancement are systems that exhibit high tunability and scalab…
Anisotropic Nodal-Line-Derived Large Anomalous Hall Conductivity in ZrMnP and HfMnP
Sukriti Singh, Jonathan Noky, Shaileyee Bhattacharya +5
The nontrivial band structure of semimetals has attracted substantial research attention in condensed matter physics and materials science in recent years owing to its intriguing p…
Giant anomalous Hall conductivity in the itinerant ferromagnet LaCrSb3 and the effect of f-electrons
Nitesh Kumar, Neetu Lamba, Jacob Gayles +6
Itinerant ferromagnets constitute an important class of materials wherein spin-polarization can affect the electric transport properties in nontrivial ways. One such phenomenon is…
Signatures of Weyl fermion annihilation in a correlated kagome magnet
Ilya Belopolski, Tyler A. Cochran, Xiaoxiong Liu +22
The manipulation of topological states in quantum matter is an essential pursuit of fundamental physics and next-generation quantum technology. Here we report the magnetic manipula…
Observation of a phase transition within the domain walls of ferromagnetic Co3Sn2S2
Changmin Lee, Praveen Vir, Kaustuv Manna +5
The ferromagnetic phase of CoSnS is widely considered to be a topological Weyl semimetal, with evidence for momentum-space monopoles of Berry curvature from transport a…
Critical Sample Aspect Ratio and Magnetic Field Dependence for Antiskyrmion Formation in Mn1.4PtSn Single-Crystals
Belen E. Zuniga Cespedes, P. Vir, Peter Milde +2
Mn1.4PtSn is the first material in which antiskyrmions have been observed in ultra-thin single crystalline specimens. While bulk crystals exhibit fractal patterns of purely ferroma…
Anisotropic fractal magnetic domain pattern in bulk MnPtSn
A. S. Sukhanov, B. E. Zuniga Cespedes, P. Vir +9
The tetragonal compound MnPtSn with the symmetry recently attracted attention as the first known material that hosts magnetic antiskyrmions, which differ from the…
Tetragonal superstructure of the antiskyrmion hosting Heusler compound Mn1.4PtSn
Praveen Vir, Nitesh Kumar, Horst Borrmann +4
Skyrmions in non-centrosymmetric magnets are vortex-like spin arrangements, viewed as potential candidates for information storage devices. The crystal structure and non-collinear…
Zero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2
Satya N. Guin, Praveen Vir, Yang Zhang +10
The discovery of magnetic topological semimetals recently attracted significant attention in the field of topology and thermoelectrics. In a thermoelectric device based on the Nern…
Intrinsic anomalous Hall effect in Ni-substituted magnetic Weyl semimetal Co3Sn2S2
Gohil S. Thakur, Praveen Vir, Satya N. Guin +5
Topological materials have recently attracted considerable attention among materials scientists as their properties are predicted to be protected against perturbations such as latt…
Increasing the skyrmion stability in CuOSeO by chemical substitution
A. S. Sukhanov, Praveen Vir, A. S. Cameron +7
The cubic chiral helimagnets with the space group represent a group of compounds in which the stable skyrmion-lattice state is experimentally observed. The key parameter th…
Giant enhancement of the skyrmion stability in a chemically strained helimagnet
A. S. Sukhanov, Praveen Vir, A. Heinemann +6
We employed small-angle neutron scattering to demonstrate that the magnetic skyrmion lattice can be realized in bulk chiral magnets as a thermodynamically stable state at temperatu…
Observation of linearly dispersive edge modes in a magnetic Weyl semimetal Co3Sn2S2
Sean Howard, Lin Jiao, Zhenyu Wang +5
The physical realization of Chern insulators is of fundamental and practical interest, as they are predicted to host the quantum anomalous Hall effect (QAHE) and topologically prot…
Anisotropic Topological Hall Effect with Real and Momentum Space Berry Curvature in the Antiskrymion Hosting Heusler Compound MnPtSn
Praveen Vir, Jacob Gayles, A. S. Sukhanov +6
The topological Hall effect (THE) is one of the key signatures of topologically non-trivial magnetic spin textures, wherein electrons feel an additional transverse voltage to the a…
Magnetoresistance and anomalous Hall effect in micro-ribbons of the magnetic Weyl semimetal CoSnS
Kevin Geishendorf, Richard Schlitz, Praveen Vir +5
Magnetic Weyl semimetals exhibit intriguing transport phenomena due to their non-trivial band structure. Recent experiments in bulk crystals of the shandite-type CoSnS…