DyMnO3, z-cut, single crystal Ferroelectric Domains in DyMnO3 Bright and dark areas correspond to positively and negatively polariszed domains. The meeting point of always 3 bright and 3 dark domains are topological defects and named ferroelectric vortices.
Device: NTEGRA Prima
Tip: AppNano ANSCM-Pt
Sample Courtesy: Prof. Manfred Fiebig, Multifunctional Ferroic Materials, Materials Department, ETH Zurich
Image Courtesy: Martin Lilienblum, Multifunctional Ferroic Materials, Materials Department, ETH Zurich