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Showing 1–3 of 3 results
Advanced filters: Author: Wan-Rong Geng Clear advanced filters

  • The authors observe robust ferroelectricity, characterized by a wake-up-free effect and endurance up to 1012 cycles, in monoclinic Hf0.5Zr0.5O2 single-crystalline films. This ferroelectric behavior originates from a polar monoclinic variant (space group Pc) stabilized by antiphase boundaries.

    • Wan-Rong Geng
    • Yu-Jia Wang
    • Xiu-Liang Ma
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • By engineering boundary conditions, the authors obtain the self-assembly two-order ferroelectric radial vortices in high-density BiFeO3 nanostructures. Tuning the size of the BiFeO3 nanostructures enables stabilization of other kinds of multi-order radial vortices.

    • Wan-Rong Geng
    • Xiangwei Guo
    • Xiu-Liang Ma
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Authors predict polar Bloch points with negative capacitance in tensile-strained ultrathin ferroelectric PbTiO3 film by phase-field simulations, observing their polarization structures by scanning transmission electron microscopic imaging.

    • Yu-Jia Wang
    • Yan-Peng Feng
    • Xiu-Liang Ma
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8