ACS Appl Mater Interfaces
August 2024
Achieving a high piezoelectric response and excellent stability is essential for practical applications of ferroelectric materials. Herein, large piezoelectricity of = 167 pC/N and = 0.52 is found in a KNaNbO lead-free ferroelectric single crystal without poling, which is comparable to the artificially poled KNN crystals.
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