Fig. 4: Ferroelectric properties, breakdown analysis, and complex impedance properties, along with relaxation behavior of NN and (1-x)NN-xBNH ceramics. | Nature Communications

Fig. 4: Ferroelectric properties, breakdown analysis, and complex impedance properties, along with relaxation behavior of NN and (1-x)NN-xBNH ceramics.

From: Ultra-high energy storage in lead-free NaNbO3-based relaxor ceramics with directional slush-like polar structures design

Fig. 4

a Unipolar P-E loops at 250 kV▪cm−1. b Room temperature P-E loop measured till the critical electric field of x = 0.15 (RRP) ceramic. c Weibull distribution of the breakdown strength on ceramic samples. d Arrhenius plots of total electric conductivity. e Temperature and frequency-dependence dielectric spectra. f Raman spectra at room temperature.

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