Fig. 1 | Nature Communications

Fig. 1

From: Chiral Landau levels in Weyl semimetal NbAs with multiple topological carriers

Fig. 1

Material characterizations and magneto-optical spectra. a Body-centered tetragonal structure of NbAs with inversion-symmetry-breaking. b Single-crystal XRD spectrum, showing the (001) crystal planes of single crystallinity of NbAs. The inset is a photo of the sample with a length of 2 mm. c Schematic plot of the magneto-optical experimental setup. d Magneto-optical spectra of NbAs under different magnetic fields. The reflection rate under magnetic field versus photon energy is normalized by zero-field reflection measured from the same setup. The curves for different magnetic field are vertically shifted for clarity. These features with different magnetic field evolution are classified as C-type, M-type, and T-type. Note that the dark arrows denote C3 transitions

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