Mismatch between Raman shear modes and ferroelectric polarization in 3R-MoS${}_2$

Johannes Schwandt-Krause, Jan-Niklas Heidkamp, Mohammed El Amine Miloudi +7

Sliding ferroelectricity in parallel-stacked two-dimensional van der Waals materials enables a broad range of novel device concepts, but exploiting it requires reliable, non-destru…