Magnetic transition behavior and large topological Hall effect in hexagonal Mn2-xFe1+xSn (x = 0.1) magnet

Jun Liu; Shulan Zuo; Xinqi Zheng; Ying Zhang; Tongyun Zhao; Fengxia Hu; Jirong Sun; Baogen Shen

doi:10.1063/5.0011570

Magnetic transition behavior and large topological Hall effect in hexagonal Mn_2-xFe_1+xSn (x = 0.1) magnet

Jun Liu, Shulan Zuo, Xinqi Zheng, Ying Zhang, Tongyun Zhao, Fengxia Hu, Jirong Sun, Baogen Shen^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The magnetic transition, transport properties, and magnetic domain structures of the polycrystalline Mn1.9Fe1.1Sn compound with a hexagonal structure have been investigated. The result shows that ferromagnetic and antiferromagnetic phases coexist in this compound. A large topological Hall effect up to 3.5 μω·cm at 50 K has been found due to the formation of noncoplanar spin structures when the competition occurs among magnetocrystalline anisotropy, antiferromagnetic coupling, and ferromagnetic interaction at low temperature. The result of in situ Lorentz transmission electron microscopy cooling experiment at zero field indicates two shapes of domain walls containing vortexes coexisting simultaneously in the compound.

Original language	English
Article number	052407
Journal	Applied Physics Letters
Volume	117
Issue number	5
DOIs	https://doi.org/10.1063/5.0011570
Publication status	Published - 3 Aug 2020
Externally published	Yes

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title = "Magnetic transition behavior and large topological Hall effect in hexagonal Mn2-xFe1+xSn (x = 0.1) magnet",

abstract = "The magnetic transition, transport properties, and magnetic domain structures of the polycrystalline Mn1.9Fe1.1Sn compound with a hexagonal structure have been investigated. The result shows that ferromagnetic and antiferromagnetic phases coexist in this compound. A large topological Hall effect up to 3.5 μω·cm at 50 K has been found due to the formation of noncoplanar spin structures when the competition occurs among magnetocrystalline anisotropy, antiferromagnetic coupling, and ferromagnetic interaction at low temperature. The result of in situ Lorentz transmission electron microscopy cooling experiment at zero field indicates two shapes of domain walls containing vortexes coexisting simultaneously in the compound.",

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T1 - Magnetic transition behavior and large topological Hall effect in hexagonal Mn2-xFe1+xSn (x = 0.1) magnet

AU - Liu, Jun

AU - Zuo, Shulan

AU - Zheng, Xinqi

AU - Zhang, Ying

AU - Zhao, Tongyun

AU - Hu, Fengxia

AU - Sun, Jirong

AU - Shen, Baogen

PY - 2020/8/3

Y1 - 2020/8/3

N2 - The magnetic transition, transport properties, and magnetic domain structures of the polycrystalline Mn1.9Fe1.1Sn compound with a hexagonal structure have been investigated. The result shows that ferromagnetic and antiferromagnetic phases coexist in this compound. A large topological Hall effect up to 3.5 μω·cm at 50 K has been found due to the formation of noncoplanar spin structures when the competition occurs among magnetocrystalline anisotropy, antiferromagnetic coupling, and ferromagnetic interaction at low temperature. The result of in situ Lorentz transmission electron microscopy cooling experiment at zero field indicates two shapes of domain walls containing vortexes coexisting simultaneously in the compound.

AB - The magnetic transition, transport properties, and magnetic domain structures of the polycrystalline Mn1.9Fe1.1Sn compound with a hexagonal structure have been investigated. The result shows that ferromagnetic and antiferromagnetic phases coexist in this compound. A large topological Hall effect up to 3.5 μω·cm at 50 K has been found due to the formation of noncoplanar spin structures when the competition occurs among magnetocrystalline anisotropy, antiferromagnetic coupling, and ferromagnetic interaction at low temperature. The result of in situ Lorentz transmission electron microscopy cooling experiment at zero field indicates two shapes of domain walls containing vortexes coexisting simultaneously in the compound.

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SN - 0003-6951

VL - 117

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 5

M1 - 052407

ER -

Magnetic transition behavior and large topological Hall effect in hexagonal Mn_2-xFe_1+xSn (x = 0.1) magnet

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