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Title: Magnetic phase dependence of the anomalous Hall effect in Mn3Sn single crystals

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.5021133· OSTI ID:1432626

Thermodynamic and transport properties are reported on single crystals of the hexagonal antiferromagnet Mn3Sn grown by the Sn flux technique. Magnetization measurements reveal two magnetic phase transitions at T1 = 275 K and T2 = 200 K, below the antiferromagnetic phase transition at TN ≈ 420 K. The Hall conductivity in zero magnetic field is suppressed dramatically from 4.7 Ω-1 cm-1 to near zero below T1, coincident with the vanishing of the weak ferromagnetic moment. Finally, this illustrates that the large anomalous Hall effect arising from the Berry curvature can be switched on and off by a subtle change in the symmetry of the magnetic structure near room temperature.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1432626
Alternate ID(s):
OSTI ID: 1430394
Report Number(s):
LA-UR-17-31089; TRN: US1802428
Journal Information:
Applied Physics Letters, Vol. 112, Issue 13; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 59 works
Citation information provided by
Web of Science

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Cited By (14)

Anomalous Hall Effect–Like Behavior with In‐Plane Magnetic Field in Noncollinear Antiferromagnetic Mn 3 Sn Films journal February 2019
Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn3Sn journal November 2019
Magnetic excitations in non-collinear antiferromagnetic Weyl semimetal Mn3Sn journal December 2018
Anomalous Hall effect in polycrystalline Mn 3 Sn thin films journal November 2018
Anomalous Hall effect in thin films of the Weyl antiferromagnet Mn 3 Sn journal November 2018
Comparing the anomalous Hall effect and the magneto-optical Kerr effect through antiferromagnetic phase transitions in Mn 3 Sn journal January 2019
Terahertz conductivity of the magnetic Weyl semimetal Mn 3 Sn films journal July 2019
Orientation-dependent THz emission in non-collinear antiferromagnetic Mn 3 Sn and Mn 3 Sn-based heterostructures journal October 2019
From colossal to zero: Controlling the Anomalous Hall Effect in Magnetic Heusler Compounds via Berry Curvature Design text January 2017
Comparing the anomalous Hall effect and the magneto-optical Kerr effect through antiferromagnetic phase transitions in Mn$_3$Sn text January 2019
Terahertz conductivity of the magnetic Weyl semimetal Mn$_{3}$Sn films text January 2019
Imaging and writing magnetic domains in the non-collinear antiferromagnet Mn$_{\text{3}}$Sn text January 2019
Room-temperature terahertz anomalous Hall effect in Weyl antiferromagnet Mn3Sn thin films journal February 2020
Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn$_3$$X$, $X$ = Sn, Ge text January 2020

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