Fig. 2: Distribution of measured piezoelectric coefficients.
From: Impact of CuInP2S6–metal interfaces on the stabilization of polar phases and polarization switching
Histograms of the off-field piezoelectric coefficient d(pm/V) measured on the electrode (top) and surrounding CIPS (bottom) for a Ag and b Cu electrodes. The dashed lines indicate the DFT calculated d values for the two in-gap and in-layer polar phases, as well as the AFE phase.
