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65 papers
Non-collinear magnetism contra frustration: Magnetic order and anisotropy in hexagonal MnPtGa
Gerhard H. Fecher, Roshnee Sahoo, Claudia Felser
MnPtGa is a hexagonal intermetallic compound with a rich variety of magnetic order. Its magnetic state is reported to range from collinear ferromagnetism, to non-collinear skyrmion…
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…
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…
New highly-anisotropic Rh-based Heusler compound for magnetic recording
Yangkun He, Gerhard H. Fecher, Chenguang Fu +18
The development of high-density magnetic recording media is limited by the superparamagnetism in very small ferromagnetic crystals. Hard magnetic materials with strong perpendicula…
Phase transition in the magnetocrystalline anisotropy of tetragonal Heusler alloys: RhSb, Fe, Co
Gerhard H. Fecher, Yankun He, Claudia Felser
This work reports on first principles calculations of the electronic and magnetic structure of tetragonal Heusler compounds with the composition RhFeCoSb ($0\leq…
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…