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Suppression of the ferromagnetic order in the Heusler alloy Ni50Mn35In15 by hydrostatic pressure
C. Salazar Mejia, K. Mydeen, P. Naumov +7
We report the effect of hydrostatic pressure on the magnetic and structural properties of the shape-memory Heusler alloy Ni50Mn35In15. Magnetization and x-ray diffraction experimen…
Large anomalous Hall effect driven by non-vanishing Berry curvature in non-collinear antiferromagnetic Mn3Ge
Ajaya K. Nayak, Julia Fischer, Yan Sun +9
It is well established that the anomalous Hall effect that a ferromagnet displays scales with its magnetization. Therefore, an antiferromagnet that has no net magnetization should…
Design of compensated ferrimagnetic Heusler alloys for giant tunable exchange bias
Ajaya K. Nayak, Michael Nicklas, Stanislav Chadov +10
The discovery of materials with improved functionality can be accelerated by rational material design. Heusler compounds with tunable magnetic sublattices allow to implement this c…
Strain behavior and lattice dynamics in Ni50Mn35In15
C. Salazar Mejia, A. K. Nayak, J. A. Schiemer +3
The lattice dynamics in the polycrystalline shape-memory Heusler alloy NiMnIn has been studied by means of resonant ultrasound spectroscopy (RUS). RUS spectra…
Large linear magnetoresistance and weak anti-localization in Y(Lu)PtBi topological insulators
Chandra Shekhar, Erik Kampert, Tobias Foerster +4
Topological insulators are new kind of Dirac materials that possess bulk insulating and surface conducting behavior. They are basically known for their unique electronic properties…
Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal NbP
Chandra Shekhar, Ajaya K. Nayak, Yan Sun +10
Recent experiments have revealed spectacular transport properties of conceptually simple semimetals. For example, normal semimetals (e.g. WTe) have started a new trend to reali…