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  Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1-xNaxMnBi2

Yang, R., Corasaniti, M., Le, C. C., Liao, Z. Y., Wang, A. F., Du, Q., et al. (2020). Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca1-xNaxMnBi2. Physical Review Letters, 124(13): 137201, pp. 1-6. doi:10.1103/PhysRevLett.124.137201.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-3CD4-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-3CD9-3
Genre: Journal Article

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 Creators:
Yang, R.1, Author
Corasaniti, M.1, Author
Le, C. C.2, Author              
Liao, Z. Y.1, Author
Wang, A. F.1, Author
Du, Q.1, Author
Petrovic, C.1, Author
Qiu, X. G.1, Author
Hu, J. P.1, Author
Degiorgi, L.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              

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Free keywords: TOTAL-ENERGY CALCULATIONS; WAVE; FERMIONSPhysics;
 Abstract: The ternary AMnBi(2) (A is alkaline as well as rare-earth atom) materials provide an arena for investigating the interplay between low-dimensional magnetism of the antiferromagnetic MnBi layers and the electronic states in the intercalated Bi layers, which harbor relativistic fermions. Here, we report on a comprehensive study of the optical properties and magnetic torque response of Cal-xNaxMnBi2. Our findings give evidence for a spin canting occurring at T-s similar to 50-100 K. With the support of first-principles calculations we establish a direct link between the spin canting and the reconstruction of the electronic band structure, having immediate implications for the spectral weight reshuffling in the optical response, signaling a partial gapping of the Fermi surface, and the dc transport properties below T-s.

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Language(s): eng - English
 Dates: 2020-03-302020-03-30
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 124 (13) Sequence Number: 137201 Start / End Page: 1 - 6 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1