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. 2024 Nov 25;15:10215. doi: 10.1038/s41467-024-54660-w

Fig. 5. Critical current and the BKT transition temperature of R-N8/S2.

Fig. 5

a I-V curves at different temperatures. b Dependence of critical current with temperature. c Plots of the I-V curves at different temperatures on a log-scale. The relationship between current and voltage can be represented by the slope of the fitted dotted line. d Temperature dependence of α in V∝Iα. TBKT of R-N8/S2 are indicated by the blue hollow dot. The inset shows the resistance transition at zero magnetic field, and the red solid line represents the BKT transition using the Halperin-Nelson equation.