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题名: Absence of Dirac states in BaZnBi2 induced by spin-orbit coupling
作者: Ren, WJ;  Wang, AF;  Graf, D;  Liu, Y;  Zhang, ZD;  Yin, WG;  Petrovic, C
发表日期: 2018-1-22
摘要: 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.
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Recommended Citation:
Ren, WJ,Wang, AF,Graf, D,et al. Absence Of Dirac States In Baznbi2 Induced By Spin-orbit Coupling[J]. Physical Review B,2018,97(3):-.

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