Ultrafast dynamics of ferroelectric polarization of NbOI2 captured with femtosecond electron diffraction
Characterization of NbOI2 nanocrystals Figure 1 a shows the crystal lattice of NbOI2. The lattice constants of NbOI2 are…
Ultrafast decoupling of polarization and strain in ferroelectric BaTiO3
Photoinduced structural dynamics Our sample consists of a coherently strained, monodomain BaTiO3 (BTO) thin film, grown on a…
Sub-nanosecond polarization switching with anomalous kinetics in vdW ferroelectric WTe2
Characterizations of ferroelectricity in WTe2 WTe2 exhibits various crystal structures, such as 2H, 1T’, and Td. In the…