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Wang, A., Graf, D., Wu, L., Wang, K., Bozin, E., Zhu, Y., & Petrovic, C. (2016). Interlayer Electronic Transport In Camnbi2 Antiferromagnet. Physical Review B. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000383145300004
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. 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.
Wang, A., Graf, D., Wu, L., Wang, K., Bozin, E., Zhu, Y., & Petrovic, C. (2016). Interlayer Electronic Transport In Camnbi2 Antiferromagnet. Physical Review B. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000383145300004