Interlayer electronic transport in antiferromagnet
Journal Article
·
· Physical Review B
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
- Florida State Univ., Tallahassee, FL (United States). National High Magnetic Field Lab.
Here, we report interlayer electronic transport in CaMnBi2 single crystals. Quantum oscillations and angular magnetoresistance suggest coherent electronic conduction and valley polarized conduction of Dirac states. Furthermore, the small cyclotron mass, high mobility of carriers, and nontrivial Berry's phase are consistent with the presence of Dirac fermions on the side wall of the warped cylindrical Fermi surface. Similarly to SrMnBi2 , which features an anisotropic Dirac cone, our results suggest that magnetic-field-induced changes in interlayer conduction are also present in layered bismuth-based materials with a zero-energy line in momentum space created by the staggered alkaline earth atoms.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- SC00112704; SC0012704
- OSTI ID:
- 1345748
- Alternate ID(s):
- OSTI ID: 1324019
- Report Number(s):
- BNL-113592-2017-JA; PRBMDO; R&D Project: PM016; MA015MACA; KC0201050; KC0201010; TRN: US1701645
- Journal Information:
- Physical Review B, Vol. 94, Issue 12; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 18 works
Citation information provided by
Web of Science
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