Figure 3: Observation of multiple superconducting phases.
From: Enhanced spin-triplet superconductivity near dislocations in Sr2RuO4

Zero-field V–I curves and corresponding dV/dI–I curves at various temperatures for (a) sample C showing multiple transitions and (b) sample A showing a single transition. The dV/dI–I curves except for those at 0.35 K were shifted for clarity.