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. 2018 Apr 26;9:1668. doi: 10.1038/s41467-018-03821-9

Fig. 5.

Fig. 5

Dielectric data for the six confirmed perovskites. Dielectric constant (εr) as a function of temperature (T, in °C) data measured at 10 kHz frequency for the six experimentally confirmed perovskites (labeled A–F, whose compositions are also provided alongside the data). We put the data for E and F compositions in the inset because the samples become conductive. The dielectric constant at that phase transformation is not real. It is mostly due to charge arising from conduction