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Showing 1–4 of 4 results
Advanced filters: Author: Jizhe Cui Clear advanced filters

  • The authors find polar vortex arrays in twisted paraelectric SrTiO3. By employing multislice electron ptychography, the atomic structures of different layers are effectively resolved, allowing for the identification of depth-dependent rotation reversal of the in-plane polarization.

    • Haozhi Sha
    • Yixuan Zhang
    • Rong Yu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Defect engineering of topological materials provides an avenue for the controllable manipulation of optoelectronic properties. Here, the authors introduce a defect gradient into a Dirac semimetal to control the Berry curvature dipole-driven THz emission in the material.

    • Zhongqiang Chen
    • Hongsong Qiu
    • Xuefeng Wang
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-11

  • Ptychography is a coherent diffractive imaging method that enables atomic resolution in four-dimensional scanning transmission electron microscopy. Taking advantage of the nature of the investigated object, and therefore using atomic-orbital-like functions for the reconstruction of the object, the resolution can be further improved to an information limit of 14 pm.

    • Wenfeng Yang
    • Haozhi Sha
    • Rong Yu
    Research
    Nature Nanotechnology
    Volume: 19, P: 612-617