Lead-free antiferroelectric: xCaZrO <sub>3</sub> -(1 − x)NaNbO <sub>3</sub> system (0 ≤ x ≤ 0.10)

Shimizu, Hiroyuki; Guo, Hanzheng; E. Reyes‐Lillo, Sebastian; Mizuno, Youichi; M. Rabe, Karin; A. Randall, Clive

doi:10.1039/c4dt03919j

Public

Lead-free antiferroelectric: xCaZrO 3 -(1 − x)NaNbO 3 system (0 ≤ x ≤ 0.10)

Published in Dalton Transactions • Jan 1, 2015

Authors:

Hiroyuki Shimizu

Hanzheng Guo

Sebastian E. Reyes‐Lillo

Abstract

This study demonstrates that antiferroelectricity can be stabilized in NaNbO(3) (NN) based ceramics by lowering the tolerance factor. Through consideration of the crystal chemistry via the Goldschmidt tolerance factor and polarizability, we show that simultaneous substitution of Zr(4+) and Ca(2+) io...

Subject

Antiferroelectricity

Polarizability

Superlattice

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