Fig. 1: Thermal and dielectric properties of PEPI.

a DSC traces and b temperature-dependence of the dielectric constants of PEPI performed on single crystals along its cFEP-axis direction. Inset: the enlarged view of εʹ at T1.

a DSC traces and b temperature-dependence of the dielectric constants of PEPI performed on single crystals along its cFEP-axis direction. Inset: the enlarged view of εʹ at T1.