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Revealing buried ferroelectric topologies by depth-resolved electron diffraction imaging
Ting-Ran Liu, Koushik Jagadish, Xiangwei Guo +10
Nanoscale topological polar textures promise new functionalities for ferroelectric memories and logic, yet their three-dimensional structure and mesoscale organization remain exper…
Spatially modulated morphotropic phase boundaries in a compressively strained multiferroic thin film
Ting-Ran Liu, Xiangwei Guo, Sajid Husain +5
The coexisting rhombohedral-like (R', MA) and tetragonal-like (T', MC) monoclinic phases in compressively strained bismuth ferrite thin films exhibit exceptional piezoelectric and…
Improper Ferroelectricity at the Monolayer Limit
Yilin Evan Li, Harikrishnan KP, Haidong Lu +20
Ultrathin ferroelectric films with out-of-plane polarization and high Curie temperatures are key to miniaturizing electronic devices. Most ferroelectrics employed in devices are pr…