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Title: Giant topological Hall effect in centrosymmetric tetragonal Mn2−xZnxSb
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 a very large topological Hall effect with fine-tuning of Zn content, which even persists to high temperature (∼250K). The further magnetoentropic analysis suggests that the topological Hall effect is possibly associated with topological magnetism. Our finding suggests Mn2−xZnxSb is a candidate material for a centrosymmetric tetragonal topological magnetic system, offering opportunities for studying and tuning spin textures and developing near room temperature spin-based devices.  more » « less
Award ID(s):
1832031
PAR ID:
10336012
Author(s) / Creator(s):
Date Published:
Journal Name:
Physical review
Volume:
104
Issue:
17
ISSN:
2469-9950
Page Range / eLocation ID:
174419
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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