Ferroelectric Domains in YrMnO3

YMnO3, z-cut, single crystal Ferroelectric Domains in YrMnO3 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. Published in Observation of persistent centrosymmetricity in the hexagonal manganite family PHYSICAL REVIEW B 85, 174422 (2012) DOI: 10.1103/PhysRevB.85.174422
Device: NTEGRA Spectra
Tip: MikroMasch NSC35 short
Sample Courtesy: Prof. Manfred Fiebig, Multifunctional Ferroic Materials, Materials Department, ETH Zurich
Image Courtesy: Martin Lilienblum, Multifunctional Ferroic Materials, Materials Department, ETH Zurich