Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl

Band topology of Weyl semimetals is usually predetermined by material parameters and can hardly be manipulated, and their transport properties appear at low temperature. Here, the authors modify the topology via a weak magnetic field and observe a giant anomalous Hall effect at room temperature.

Bibliographic Details
Main Authors: Peigang Li, Jahyun Koo, Wei Ning, Jinguo Li, Leixin Miao, Lujin Min, Yanglin Zhu, Yu Wang, Nasim Alem, Chao-Xing Liu, Zhiqiang Mao, Binghai Yan
Format: Article
Language:English
Published: Nature Portfolio 2020-07-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-020-17174-9
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author Peigang Li
Jahyun Koo
Wei Ning
Jinguo Li
Leixin Miao
Lujin Min
Yanglin Zhu
Yu Wang
Nasim Alem
Chao-Xing Liu
Zhiqiang Mao
Binghai Yan
author_facet Peigang Li
Jahyun Koo
Wei Ning
Jinguo Li
Leixin Miao
Lujin Min
Yanglin Zhu
Yu Wang
Nasim Alem
Chao-Xing Liu
Zhiqiang Mao
Binghai Yan
author_sort Peigang Li
collection DOAJ
description Band topology of Weyl semimetals is usually predetermined by material parameters and can hardly be manipulated, and their transport properties appear at low temperature. Here, the authors modify the topology via a weak magnetic field and observe a giant anomalous Hall effect at room temperature.
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spelling doaj.art-37b4dbcd6dc44556a726539f3a2c976f2022-12-21T19:10:38ZengNature PortfolioNature Communications2041-17232020-07-011111810.1038/s41467-020-17174-9Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAlPeigang Li0Jahyun Koo1Wei Ning2Jinguo Li3Leixin Miao4Lujin Min5Yanglin Zhu6Yu Wang7Nasim Alem8Chao-Xing Liu9Zhiqiang Mao10Binghai Yan11Department of Physics and Engineering Physics, Tulane UniversityDepartment of Condensed Matter Physics, Weizmann Institute of ScienceDepartment of Physics, Pennsylvania State UniversitySuperalloys Division, Institute of Metal Reseach, Chinese Academy of SciencesDepartment of Materials Science and Engineering, Pennsylvania State UniversityDepartment of Physics, Pennsylvania State UniversityDepartment of Physics and Engineering Physics, Tulane UniversityDepartment of Physics and Engineering Physics, Tulane UniversityDepartment of Materials Science and Engineering, Pennsylvania State UniversityDepartment of Physics, Pennsylvania State UniversityDepartment of Physics and Engineering Physics, Tulane UniversityDepartment of Condensed Matter Physics, Weizmann Institute of ScienceBand topology of Weyl semimetals is usually predetermined by material parameters and can hardly be manipulated, and their transport properties appear at low temperature. Here, the authors modify the topology via a weak magnetic field and observe a giant anomalous Hall effect at room temperature.https://doi.org/10.1038/s41467-020-17174-9
spellingShingle Peigang Li
Jahyun Koo
Wei Ning
Jinguo Li
Leixin Miao
Lujin Min
Yanglin Zhu
Yu Wang
Nasim Alem
Chao-Xing Liu
Zhiqiang Mao
Binghai Yan
Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
Nature Communications
title Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
title_full Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
title_fullStr Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
title_full_unstemmed Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
title_short Giant room temperature anomalous Hall effect and tunable topology in a ferromagnetic topological semimetal Co2MnAl
title_sort giant room temperature anomalous hall effect and tunable topology in a ferromagnetic topological semimetal co2mnal
url https://doi.org/10.1038/s41467-020-17174-9
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