Harness of room-temperature polar skyrmion bag in oxide superlattice
Structure and polar skyrmion of the as-grown thin film The model system used in this study was the…
Magnetic and electric polar regions in the magnetoelectric composite microstructure
CoFe\(_2\)O\(_4\)–-Pr:SrTiO\(_3\) thick film preparation Cobalt acetate (Co(CH\(_3\)CO\(_2)_2\).4H\(_2\)O, Sigma Aldrich), Iron nitrate (Fe(NO\(_3)_3\).9H\(_2\)O, Sigma Aldrich), Titanium isopropoxide (C\(_{12}\)H\(_{28}\)O\(_4\)Ti, Sigma…
Mechanically liberating polarization bubbles in van der Waals ferroelectrics
Das, S. et al. Observation of room-temperature polar skyrmions. Nature 568, 368–372 (2019). Article PubMed CAS Google Scholar …
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…
Ferri- and ferro-electric switching in spontaneously chiral polar liquid crystals
Materials Table 1 shows the chemical structures and phases transitions of the materials presented here. Details of chemical synthesis…