Extended Data Fig. 7: Signatures of superconductivity in the second ABC-TLG/hBN device.
From: Signatures of tunable superconductivity in a trilayer graphene moiré superlattice
a. Resistivity ρxx–T curve at n = 0.56 × 1012 cm−2, D = 0.55 V nm−1. The high-temperature data above 10 K were measured during a separate cooldown. b, I–V curves at different temperatures, showing a plateau below the critical current of about 6 nA below T = 0.57 K. This plateau region tilts and becomes close to linear at higher temperature, characteristic of a superconducting transition. c, The dV/dI colour plot as a function of d.c. bias current and perpendicular magnetic field at T = 0.05 K. The superconductivity is suppressed by the magnetic field and almost disappears at B ≈ 0.6 T. d, Carrier-density-dependent phase diagram at D = 0.55 V nm−1. The dashed line corresponds to the 1/4 filling.
