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  Topological Weyl semimetals in the chiral antiferromagnetic materials Mn3Ge and Mn3Sn

Yang, H., Sun, Y., Zhang, Y., Shi, W.-J., Parkin, S. S. P., & Yan, B. (2017). Topological Weyl semimetals in the chiral antiferromagnetic materials Mn3Ge and Mn3Sn. New Journal of Physics, 19: 015008, pp. 1-7. doi:10.1088/1367-2630/aa5487.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-B164-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-1E75-B
Genre: Journal Article

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 Creators:
Yang, Hao1, Author              
Sun, Yan1, Author              
Zhang, Yang1, Author              
Shi, Wu-Jun1, Author              
Parkin, Stuart S. P.2, Author
Yan, Binghai3, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              

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 Abstract: Recent experiments revealed that Mn3Sn and Mn3Ge exhibit a strong anomalous Hall effect at room temperature, provoking us to explore their electronic structures for topological properties. By ab. initio band structure calculations, we have observed the existence of multiple Weyl points in the bulk and corresponding Fermi arcs on the surface, predicting antiferromagnetic Weyl semimetals in Mn3Ge and Mn3Sn. Here the chiral antiferromagnetism in the Kagome-type lattice structure is essential to determine the positions and numbers of Weyl points. Our work further reveals a new guiding principle to search for magnetic Weyl semimetals among materials that exhibit a strong anomalous Hall effect.

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Language(s): eng - English
 Dates: 2017-01-202017-01-20
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000394535900001
DOI: 10.1088/1367-2630/aa5487
 Degree: -

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Title: New Journal of Physics
  Abbreviation : New J. Phys.
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 19 Sequence Number: 015008 Start / End Page: 1 - 7 Identifier: ISSN: 1367-2630
CoNE: /journals/resource/954926913666