In-plane anisotropic magnetoresistance and planar Hall effect in off-stoichiometric single crystal Mn3Ga

被引：0

作者：

Song, Linxuan ^{[1
]}

Zhou, Feng ^{[1
,2
]}

Chen, Jie ^{[1
,2
]}

Li, Hang ^{[1
,2
]}

Xi, Xuekui ^{[1
]}

Lau, Yong-Chang ^{[1
,3
]}

Wang, Wenhong ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[2] Tiangong Univ, Sch Elect & Informat Engn, Tianjin 300387, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2024年 / 125卷 / 10期

基金：

国家重点研发计划; 中国博士后科学基金; 北京市自然科学基金; 中国国家自然科学基金;

关键词：

ANTIFERROMAGNET;

D O I：

10.1063/5.0217524

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the observation of in-plane anisotropic magnetoresistance (AMR) and planar Hall effect in our recently discovered kagome antiferromagnetic off-stoichiometric single crystal of Mn3Ga. We found that the in-plane AMR is dominated by a sixfold symmetry at low temperature due to the kagome lattice magnetocrystalline anisotropy. However, an unusual fourfold symmetry is also revealed by the angular-dependent AMR measurements, which originates from the little distortion of the crystal accompanying the slight ferromagnetic transition. Moreover, we also found a clear planar Hall effect signal in off-stoichiometric single crystal of Mn3Ga, which may be related to the chiral anomaly, one of the signatures of the magnetic Weyl fermions.

引用

页数：7

共 36 条

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