Tuning of topological properties in the strongly correlated antiferromagnet Mn${}_3$Sn via Fe doping

Abstract

Magnetic topological materials, in which strong correlations between magnetic and electronic properties of matter, give rise to various exotic phenomena such as anomalous Hall effect (AHE), topological Hall effect (THE), and skyrmion lattice. Here, we report on the electronic, magnetic, and topological properties of Mn${}_{3-x}$Fe${}_x$Sn single crystals ($x$=0, 0.25, and 0.35). Low temperature magnetic properties have been significantly changed with Fe doping. Most importantly, we observe that large uniaxial magnetocrystalline anisotropy that is induced by the Fe doping in combination with competing magnetic interactions at low temperature produce nontrivial spin-texture, leading to large topological Hall effect in the doped systems at low temperatures. Our studies further show that the topological properties of Mn${}_{3-x}$Fe${}_x$Sn are very sensitive to the Fe doping.

10 pages, 7 figures

References in corpus (18)

• Advances in the Physics of Magnetic Skyrmions and Perspective for Technology
• Long wavelength helimagnetic order and skyrmion lattice phase in Cu2OSeO3
• Topological Weyl semimetals in the chiral antiferromagnetic materials Mn3Ge and Mn3Sn
• Semiclassical theories of the anomalous Hall effect
• Novel magnetic states and nematic spin chirality in the kagome lattice metal YMn${}_6$Sn${}_6$
• Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn${}_3$$X$, $X$ = Sn, Ge
• Anomalous Hall effect of ferromagnetic Fe3Sn2 single crystal with geometrically frustrated kagome lattice
• Field induced topological Hall effect in non-coplanar triangular antiferromagnetic geometry of Mn3Sn
• Discretized Topological Hall Effect Emerging from Skyrmions in Constricted Geometry
• Thermodynamically stable skyrmion lattice in tetragonal frustrated antiferromagnet with dipolar interaction
• Chiral domain walls of Mn${}_3$Sn and their memory
• Domain wall Skyrmions
• Skyrmions in a Doped Antiferromagnet
• Doping control of magnetic anisotropy for stable antiskyrmion formation in schreibersite (Fe,Ni)${}_3$P with $S_4$ symmetry
• Wigner solids of domain wall skyrmions
• Large Tunable Anomalous Hall Effect in the Kagom$\acute{e}$ Antiferromagnet U${}_3$Ru${}_4$Al${}_{12}$
• Robust metastable skyrmions with tunable size in the chiral magnet FePtMo${}_3$N
• Experimental Realization of Room Temperature Topological Hall Effect in Kagome Antiferromagnet

Cited by in corpus (4)

• Intricate magnetic interactions and topological Hall effect observed in itinerant room-temperature layered ferromagnet Cr0.83Te
• Tuning of Electrical, Magnetic, and Topological Properties of Magnetic Weyl Semimetal Mn${}_{3+x}$Ge by Fe doping
• Weyl points and anomalous transport effects tuned by the Fe doping in Mn${}_3$Ge Weyl semimetal
• Unusual Multiple Magnetic Transitions and Anomalous Hall Effect Observed in Antiferromagnetic Weyl Semimetal, Mn${}_{2.94}$Ge (Ge-rich)