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Ren, W., Wang, A., Graf, D., Liu, Y., Zhang, Z., Yin, W. -G., & Petrovic, C. (2018). Absence Of Dirac States In Baznbi2 Induced By Spin-orbit Coupling. Physical Review B. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000423341500001
We report magnetotransport properties of BaZnBi2 single crystals. Whereas electronic structure features Dirac states, such states are removed from the Fermi level by spin-orbit coupling (SOC) and consequently electronic transport is dominated by the small hole and electron pockets. Our results are consistent with not only three-dimensional, but also with quasi-two-dimensional portions of the Fermi surface. The SOC-induced gap in Dirac states is much larger when compared to isostructural SrMnBi2. This suggests that not only long-range magnetic order, but also mass of the alkaline-earth atoms A in ABX(2) (A = alkaline-earth, B = transition-metal, and X = Bi/Sb) are important for the presence of low-energy states obeying the relativistic Dirac equation at the Fermi surface.
Ren, W., Wang, A., Graf, D., Liu, Y., Zhang, Z., Yin, W. -G., & Petrovic, C. (2018). Absence Of Dirac States In Baznbi2 Induced By Spin-orbit Coupling. Physical Review B. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000423341500001
