226 citations · 871 across the 22 of their papers we have counts for
22 papers
A Fermi Surface Descriptor Quantifying the Correlations between Anomalous Hall Effect and Fermi Surface Geometry
Elena Derunova, Jacob Gayles, Yan Sun +2
In the last few decades, basic ideas of topology have completely transformed the prediction of quantum transport phenomena. Following this trend, we go deeper into the incorporatio…
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…
Band Splitting and Long-lived Carrier Recombination in Ferromagnetic CrSiTe3 Nanosheets
Giriraj Jnawali, Seyyedesadaf Pournia, Eli Zoghlin +4
Magnetic layered ternary chalcogenides hold great promise for future spin-optoelectronic devices in the two dimensional limit. Understanding how the properties of the materials are…
Large topological Hall effect in an easy-cone ferromagnet (Cr0.9B0.1)Te
Yangkun He, Johannes Kroder, Jacob Gayles +5
The Berry phase understanding of electronic properties has attracted special interest in condensed matter physics, leading to phenomena such as the anomalous Hall effect and the to…
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…
Topological Hall effect arising from the mesoscopic and microscopic non-coplanar magnetic structure in MnBi
Yangkun He, Sebastian Schneider, Toni Helm +9
The topological Hall effect (THE), induced by the Berry curvature, which originates from non-zero scalar spin chirality, is an important feature for mesoscopic topological structur…
Hard Magnetic Topological Semimetals in XPt3: Harmony of Berry Curvature
Anastasios Markou, Jacob Gayles, Elena Derunova +6
Topological magnetic semimetals, like Co3Sn2S2 and Co2MnGa, are known to display exotic transport properties, such as large intrinsic anomalous (AHE) due to uncompensated Berry cur…
Role of magnetic exchange interactions in chiral-type Hall effects of epitaxial MnPtSn films
Peter Swekis, Jacob Gayles, Dominik Kriegner +5
Tetragonal Mn-based Heusler compounds feature rich exchange interactions and exotic topological magnetic textures, such as antiskyrmions, complimented by the chiral-type Hall effec…
Fermi Surface Geometry
Elena Derunova, Jacob Gayles, Yan Sun +2
Motivated by the famous and pioneering mathematical works by Perelman, Hamilton, and Thurston, we introduce the concept of using modern geometrical mathematical classifications of…
Detection of antiskyrmions by topological Hall effect in Heusler compounds
Vivek Kumar, Nitesh Kumar, Manfred Reehuis +7
Heusler compounds having crystal symmetry gained much attention recently due to the stabilization of a vortex-like spin texture called antiskyrmions in thin l…
Anomalous, anomalous Hall effect in the layered, Kagome, Dirac semimetal KVSb
Shuo-Ying Yang, Yaojia Wang, Brenden R. Ortiz +11
The electronic anomalous Hall effect (AHE), where charge carriers acquire a velocity component orthogonal to an applied electric field, is one of the most fundamental and widely st…
Thickness dependence of the anomalous Nernst effect and the Mott relation of Weyl-semimetal Co2MnGa thin films
Gyu-Hyeon Park, Helena Reichlova, Richard Schlitz +12
We report a robust anomalous Nernst effect in Co2MnGa thin films in the thickness regime between 20 and 50 nm. The anomalous Nernst coefficient varied in the range of -2.0 to -3.0…
Thickness dependence of the anomalous Hall effect in thin films of the topological semimetal CoMnGa
Anastasios Markou, Dominik Kriegner, Jacob Gayles +8
Topological magnetic semimetals promise large Berry curvature through the distribution of the topological Weyl nodes or nodal lines and further novel physics with exotic transport…
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…
All Electrical Access to Topological Transport Features in MnPtSn Films
Richard Schlitz, Peter Swekis, Anastasios Markou +7
The presence of non-trivial magnetic topology can give rise to non-vanishing scalar spin chirality and consequently a topological Hall or Nernst effect. In turn, topological transp…
Topological Hall effect in thin films of MnPtSn
Peter Swekis, Anastasios Markou, Dominik Kriegner +5
Spin chirality in metallic materials with non-coplanar magnetic order can give rise to a Berry phase induced topological Hall effect. Here, we report the observation of a large top…
Topological Contributions to the Anomalous Nernst and Hall Effect in the Chiral Double-Helimagnetic System
Jacob Gayles, Jonathan Noky, Claudia Felser +1
MnP and FeP are show complex magnetic spiral states with geometric phase contributions to the anomalous Hall effect and the topological Hall effect, where both have thermoelectric…
Strong anomalous Nernst effect in collinear magnetic Weyl semimetals without net magnetic moments
Jonathan Noky, Jacob Gayles, Claudia Felser +1
We predict a large anomalous Nernst effect in the inverse Heusler compensated ferrimagnets TiMn (=Al,Ga,In) with vanishing net magnetic moments. Though the net magnetic m…
Helical magnetic structure and the anomalous and topological Hall effects in epitaxial B20 FeCoGe films
Charles S. Spencer, Jacob Gayles, Nicholas A. Porter +12
Epitaxial films of the B20-structure alloy FeCoGe were grown by molecular beam epitaxy on Si (111) substrates. The magnetization varied smoothly from the bulk-like valu…
Topological surface Fermi arcs in the magnetic Weyl semimetal CoSnS
Qiunan Xu, Enke Liu, Wujun Shi +4
Very recently, the half-metallic compound CoSnS was predicted to be a magnetic WSM with Weyl points only 60 meV above the Fermi level (). Owing to the low charge c…
Emerging chiral edge states from the confinement of a magnetic Weyl semimetal in CoSnS
Lukas Muechler, Enke Liu, Jacob Gayles +3
The quantum anomalous Hall effect (QAHE) and magnetic Weyl semimetals (WSMs) are topological states induced by intrinsic magnetic moments and spin-orbit coupling. Their similarity…
Aviram-Ratner rectifying mechanism for DNA base pair sequencing through graphene nanogaps
Luis A. Agapito, Jacob Gayles, Christian Wolowiec +1
We demonstrate that biological molecules such as Watson-Crick DNA base pairs can behave as biological Aviram-Ratner electrical rectifiers because of the spatial separation and weak…