Fig. 4
From: A coronene-based semiconducting two-dimensional metal-organic framework with ferromagnetic behavior

Electrical conductivity of PTC-Fe 2D MOFs. a Electrical conductivity (σ) as a functional of temperature ranging from 30 K to 300 K. b Plot of ln σ versus the reciprocal of the temperature (1/T). Inset: Plot of ln (σ) versus T−1/4 over the temperature region 65–130 K