Domain-wall engineering and topological defects in ferroelectric and ferroelastic materials
Ferroelectric and ferroelastic domain walls are 2D topological defects with thicknesses
approaching the unit cell level. When this spatial confinement is combined with observations …
approaching the unit cell level. When this spatial confinement is combined with observations …
Interplay of domain structure and phase transitions: theory, experiment and functionality
Abstract Domain walls and phase boundaries are fundamental ingredients of ferroelectrics
and strongly influence their functional properties. Although both interfaces have been …
and strongly influence their functional properties. Although both interfaces have been …
“Seeing is believing”—In-depth analysis by co-imaging of periodically-poled x-cut lithium niobate thin films
Nonlinear and quantum optical devices based on periodically-poled thin film lithium niobate
(PP-TFLN) have gained considerable interest lately, due to their significantly improved …
(PP-TFLN) have gained considerable interest lately, due to their significantly improved …
Shedding light on non-Ising polar domain walls: Insight from second harmonic generation microscopy and polarimetry analysis
Polar domain walls are currently at the focus of intensive research owing to their unusual
and highly localized functional properties, which bear great potential for technological …
and highly localized functional properties, which bear great potential for technological …
[HTML][HTML] Avalanches from charged domain wall motion in BaTiO3 during ferroelectric switching
We report two methods for direct observations of avalanches in ferroelectric materials during
the motion of domain walls. In the first method, we use optical imaging techniques to derive …
the motion of domain walls. In the first method, we use optical imaging techniques to derive …
Mobile intrinsic point defects for conductive neutral domain walls in LiNbO 3
Conductive ferroelectric domain walls (DWs) hold great promise for neuromorphic
nanoelectronics as they can contribute to realize multi-level diodes and nanoscale …
nanoelectronics as they can contribute to realize multi-level diodes and nanoscale …
Direct observation of polar tweed in LaAlO3
Polar tweed was discovered in mechanically stressed LaAlO3. Local patches of strained
material (diameter ca. 5 μm) form interwoven patterns seen in birefringence images, Piezo …
material (diameter ca. 5 μm) form interwoven patterns seen in birefringence images, Piezo …
[HTML][HTML] High-speed hyperspectral imaging of ferroelectric domain walls using broadband coherent anti-Stokes Raman scattering
Spontaneous Raman spectroscopy (SR) is a versatile method for analysis and visualization
of ferroelectric crystal structures, including domain walls. Nevertheless, the necessary …
of ferroelectric crystal structures, including domain walls. Nevertheless, the necessary …
Optical studies of ferroelectric and ferroelastic domain walls
Recent studies carried out with atomic force microscopy or high-resolution transmission
electron microscopy reveal that ferroic domain walls can exhibit different physical properties …
electron microscopy reveal that ferroic domain walls can exhibit different physical properties …
Imaging of ferroelectric domain walls in uniaxial ferroelectrics by confocal Raman spectroscopy: Unraveling the contrast mechanism
In recent years, Raman spectroscopy has been used to visualize and analyze ferroelectric
domain structures. The technique makes use of the fact that the intensity or frequency of …
domain structures. The technique makes use of the fact that the intensity or frequency of …