Large Topological Hall Effect and Spiral Magnetic Order in the Weyl Semimetal SmAlSi

Сильный топологический эффект Холла и спиральный магнитный порядок в вейловом полуметалле SmAlSi
Jianwei Sun, David Graf, Jonathan Gaudet, A. A. Aczel, Arun Bansil, Hung‐Yu Yang, Xiaohan Yao, Bahadur Singh, Darius H. Torchinsky, Ruiqi Zhang, Predrag Nikolić, Peter Blaha, Shin-Ming Huang, R. P. Verma, Faranak Bahrami, Sujan Subedi, Fazel Tafti
2023-03-09
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SmAlSiSpiral magnetic orderTopological Hall EffectWeyl semimetal
Abstract (AI)
The first demonstration of spiral magnetic order in a Weyl semimetal sets the stage for finding other materials with these structures, which could be used for high-density magnetic information storage.
Key Findings
1
SmAlSi exhibits a large topological Hall effect associated with its magnetic structure.
2
Spiral magnetic order is demonstrated for the first time in a Weyl semimetal (SmAlSi).
3
The coexistence of Weyl semimetal electronic structure and spiral magnetism in SmAlSi suggests potential for high-density magnetic information storage.
4
The discovery establishes a platform to search for other materials combining spiral magnetic order and Weyl semimetallicity.
Research Object

Weyl semimetal SmAlSi

Research Subject

Spiral magnetic order and its associated large topological Hall effect

Publication Details
Publication Date
2023-03-09
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Cited by
52
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Author Information
Authors
Jianwei Sun
David Graf
Jonathan Gaudet
A. A. Aczel
Arun Bansil
Hung‐Yu Yang
Xiaohan Yao
Bahadur Singh
Darius H. Torchinsky
Ruiqi Zhang
Predrag Nikolić
Peter Blaha
Shin-Ming Huang
R. P. Verma
Faranak Bahrami
Sujan Subedi
Fazel Tafti
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