BNT is considered to be a promising candidate of lead-free piezoelectric ceramics with a relatively large remnant polarization (Pr=38 mC/cm2) and a high Curie temperature (Tc¼320 1C)
BNT is considered to be a promising candidate oflead-free piezoelectric ceramics with a relatively largeremnant polarization (Pr=38 mC/cm2) and a high Curietemperature (Tc¼320 1C)