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.; Petrovic, C.; Qiu, X. G.; Hu, J. P.; Degiorgi, L.

doi:10.1103/PhysRevLett.124.137201

Item

ITEM ACTIONSEXPORT

Add to Basket

Local TagsRelease HistoryDetailsSummary

Released

Journal Article

Spin-Canting-Induced Band Reconstruction in the Dirac Material Ca_1-xNa_xMnBi₂

MPS-Authors

/persons/resource/persons247116

Le, C. C.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

External Resource

No external resources are shared

Fulltext (restricted access)

There are currently no full texts shared for your IP range.

Fulltext (public)

There are no public fulltexts stored in PuRe

Supplementary Material (public)

There is no public supplementary material available

Citation

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 Ca_1-xNa_xMnBi₂. Physical Review Letters, 124(13): 137201, pp. 1-6. doi:10.1103/PhysRevLett.124.137201.

Cite as: https://hdl.handle.net/21.11116/0000-0006-3CD4-8

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.