Hafnia-zirconia superlattices with 87.5% ZrO2 content reach record 2Pr of 84 μC/cm², endure 10^9 cycles while keeping 2Pr > 20 μC/cm², and substitute abundant ZrO2 for sustainability.
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Guidelines for the optimization of hafnia-based ferroelectrics through superlattice engineering
Hafnia-zirconia superlattices with 87.5% ZrO2 content reach record 2Pr of 84 μC/cm², endure 10^9 cycles while keeping 2Pr > 20 μC/cm², and substitute abundant ZrO2 for sustainability.