Quantum geometry offers new insights into 'smart' materials with switchable electric polarity

Researchers at the University of British Columbia have found that quantum geometry can explain the behavior of stacking ferroelectric materials, which exhibit switchable electric polarity. By studying atomic layer stacking in materials like honeycomb bilayers and bilayer tungsten ditelluride, they revealed that the polarization properties can be viewed as a geometric feature. This insight could lead to more efficient design of “smart” materials used in applications such as solar cells and memory devices.

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