Fig. 2
From: Strong-correlation induced high-mobility electrons in Dirac semimetal of perovskite oxide
Shubnikov–de-Haas (SdH) oscillations and giant positive magnetoresistivity. a The angular dependence of resistivity ρxx at 0.12 K. The SdH oscillation for 2–9 T is clear for B||a, while that for 1–3 T is clear even for B||c. The giant positive magnetoresistivity is observed above 9 T nearby B||a. Inset shows the Landau index plot of the oscillation for B||a and B||c and illustration of measurement geometry for B and electrical current I (||a). The tilting angle θ is defined as zero for B||a. b, c Oscillatory component at various temperatures for B||a and for B||c. d, e Illustration of band dispersion nearby the line node described in kb–kc plane and ka–kb plane. The red and blue line denotes the cross-section of inner- and outer-Fermi surface (FS), respectively. The SdH oscillation of outer-FS is not visible for B||c, which is indicated by dashed lines
