Field-induced magnetic phase transitions and the resultant giant anomalous Hall effect in the antiferromagnetic half-Heusler compound DyPtBi

H. Zhang; Y. L. Zhu; Y. Qiu; W. Tian; H. B. Cao; Z. Q. Mao; X. Ke

doi:10.1103/PhysRevB.102.094424

Field-induced magnetic phase transitions and the resultant giant anomalous Hall effect in the antiferromagnetic half-Heusler compound DyPtBi

H. Zhang, Y. L. Zhu, Y. Qiu, W. Tian, H. B. Cao, Z. Q. Mao, X. Ke

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19 Scopus citations

Abstract

We report field-induced magnetic phase transitions and transport properties of antiferromagnetic DyPtBi. We show that DyPtBi hosts a delicate balance between two different magnetic ground states, which can be controlled by a moderate magnetic field. Furthermore, it exhibits giant anomalous Hall effect (σA=1540ω-1cm-1,θAHE=24%) in a field-induced type-I spin structure, presumably attributed to the enhanced Berry curvature associated with avoided band crossings near the Fermi energy and/or nonzero spin chirality. The latter mechanism points DyPtBi towards a rare potential realization of anomalous Hall effect in an antiferromagnet with face-centered-cubic lattice that was proposed in [Physical Review Letters 87, 116801 (2001)10.1103/PhysRevLett.87.116801].

Original language	English
Article number	094424
Journal	Physical Review B
Volume	102
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.102.094424
State	Published - Sep 1 2020

Funding

H.Z. is supported by the U.S. National Science Foundation under DMR-1608752. X.K. acknowledges the financial support by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Material Sciences and Engineering Division under DE-SC0019259. The work at Penn state is supported by the U.S. National Science Foundation under Grant No. DMR 1917579. Y.L.Z acknowledges partial financial support from the National Science Foundation through the Penn State 2D Crystal Consortium-Material Innovation Platform (2DCC-MIP) under NSF cooperative agreement DMR-1539916. Access to MACS was provided by the Center for High Resolution Neutron Scattering, a partnership between the National Institute of Standards and Technology and the National Science Foundation under Agreement No. DMR-1508249. The identification of any commercial product or trade name does not imply endorsement or recommendation by the National Institute of Standards and Technology. A portion of this research used resources at the High Flux Isotope Reactor, a DOE Office of Science User Facility operated by Oak Ridge National Laboratory.

Funders	Funder number
National Science Foundation	DMR-1539916, 1508249, DMR-1608752
U.S. Department of Energy
National Institute of Standards and Technology	DMR-1508249
Office of Science
Basic Energy Sciences	DMR 1917579, DE-SC0019259

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title = "Field-induced magnetic phase transitions and the resultant giant anomalous Hall effect in the antiferromagnetic half-Heusler compound DyPtBi",

abstract = "We report field-induced magnetic phase transitions and transport properties of antiferromagnetic DyPtBi. We show that DyPtBi hosts a delicate balance between two different magnetic ground states, which can be controlled by a moderate magnetic field. Furthermore, it exhibits giant anomalous Hall effect (σA=1540ω-1cm-1,θAHE=24%) in a field-induced type-I spin structure, presumably attributed to the enhanced Berry curvature associated with avoided band crossings near the Fermi energy and/or nonzero spin chirality. The latter mechanism points DyPtBi towards a rare potential realization of anomalous Hall effect in an antiferromagnet with face-centered-cubic lattice that was proposed in [Physical Review Letters 87, 116801 (2001)10.1103/PhysRevLett.87.116801].",

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AU - Mao, Z. Q.

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AB - We report field-induced magnetic phase transitions and transport properties of antiferromagnetic DyPtBi. We show that DyPtBi hosts a delicate balance between two different magnetic ground states, which can be controlled by a moderate magnetic field. Furthermore, it exhibits giant anomalous Hall effect (σA=1540ω-1cm-1,θAHE=24%) in a field-induced type-I spin structure, presumably attributed to the enhanced Berry curvature associated with avoided band crossings near the Fermi energy and/or nonzero spin chirality. The latter mechanism points DyPtBi towards a rare potential realization of anomalous Hall effect in an antiferromagnet with face-centered-cubic lattice that was proposed in [Physical Review Letters 87, 116801 (2001)10.1103/PhysRevLett.87.116801].

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Field-induced magnetic phase transitions and the resultant giant anomalous Hall effect in the antiferromagnetic half-Heusler compound DyPtBi

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