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Giant topological Hall effect in centrosymmetric tetragonal Mn2-xZnxSb

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arxiv 2112.00805 v1 pith:LX4QTHXE submitted 2021-12-01 cond-mat.mtrl-sci cond-mat.mes-hall

Md Rafique Un Nabi , Aaron Wegner , Fei Wang , Yanglin Zhu , Yingdong Guan , Arash Fereidouni , Krishna Pandey , Rabindra Basnet
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Gokul Acharya Hugh O. H. Churchill Zhiqiang Mao Jin Hu
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classification cond-mat.mtrl-scicond-mat.mes-hall
keywords topologicalmagnetismcentrosymmetricmn2-xznxsbtetragonalcompoundseffecthall
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Topological magnetism typically appears in noncentrosymmetric compounds or compounds with geometric frustration. Here we report the effective tuning of magnetism in centrosymmetric tetragonal Mn2-xZnxSb by Zn substitution. The magnetism is found to be closely coupled to the transport properties, giving rise to to a very large topological hall effect is possibly associated with topological magnetism. Our finding suggests Mn2-xZnxSb is a candidate material for the centrosymmetric tetragonal topological magnetic system, offers opportunities for studying and tuning spin textures and developing near room temperature spin-based devices.

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