A samarium-stabilized layered bismuth oxide (Bi1.8Sm0.2O3) shows a macroscopic ferroelectric hysteresis loop and 17 microcoulombs per square centimeter remanent polarization at 1 nanometer thickness.
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Ferroelectricity in layered bismuth oxide down to 1 nanometer
A samarium-stabilized layered bismuth oxide (Bi1.8Sm0.2O3) shows a macroscopic ferroelectric hysteresis loop and 17 microcoulombs per square centimeter remanent polarization at 1 nanometer thickness.