Atomic-scale imaging of frequency-dependent phonon anisotropy
Schubert, M. et al. Anisotropy, phonon modes, and free charge carrier parameters in monoclinic β-gallium oxide single crystals.…
The expanding world of topological ferroelectrics
In this issue we present three papers on the topological properties or structure of ferroelectrics, which are interlinked.…
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…
Electrical switching of a p-wave magnet
Baltz, V. et al. Antiferromagnetic spintronics. Rev. Mod. Phys. 90, 015005 (2018). Article ADS MathSciNet CAS Google Scholar …
Vortices and antivortices in antiferroelectric PbZrO3
Rodriguez, B. J. et al. Vortex polarization states in nanoscale ferroelectric arrays. Nano Lett. 9, 1127–1131 (2009). Article …
Edge polarization topology integrated with sliding ferroelectricity in Moiré system
Han, L. et al. High-density switchable skyrmion-like polar nanodomains integrated on silicon. Nature 603, 63–67 (2022). Article ADS …
Observation of polarization density waves in SrTiO3
Weaver, H. Dielectric properties of single crystals of SrTiO3 at low temperatures. J. Phys. Chem. Solids 11, 274–277…