6 papers · 1 filter
Mechanically Assisted Symmetry Reconstruction for Extraordinary Piezoelectricity
Jinhui Fan, Chonghe Wang, Xiaoyan Lu +16
Active symmetry control - a central challenge in materials science, particularly in ferroelectrics - is achieved via mechanically assisted poling (MAP) guided by thermodynamics and…
Dynamic motion of polar skyrmions in oxide heterostructures
Lizhe Hu, Yongjun Wu, Yuhui Huang +2
Polar skyrmions have been widely investigated in oxide heterostructure recently, due to their exotic properties and intriguing physical insights. Meanwhile, so far, the external fi…
Mechanical configurable nanopatterning of polar topological states and formation of post-skyrmion
Lizhe Hu, Linming Zhou, Yuhui Huang +4
The controllable phase transition and nanopatterning of topological states in a ferroelectric system under external stimuli are critical for realizing the potential applications in…
Order-disorder transitions in a polar vortex lattice
Linming Zhou, Cheng Dai, Peter Meisenheimer +9
Order-disorder transitions are widely explored in various vortex structures in condensed matter physics, i.e., in the type-II superconductors and Bose-Einstein condensates. In this…
Electric Field Control of Chirality
Piush Behera, Molly A. May, Fernando Gómez-Ortiz +18
Polar textures have attracted significant attention in recent years as a promising analog to spin-based textures in ferromagnets. Here, using optical second harmonic generation bas…
Local Manipulation of Polar Skyrmions and Topological Phase Transitions
Linming Zhou, Yongjun Wu, Sujit Das +7
Topological phases such as polar skyrmions have been a fertile playground for ferroelectric oxide superlattices, with exotic physical phenomena such as negative capacitance. Herein…