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  1. Article

    Open Access

    Engineering of atomic-scale flexoelectricity at grain boundaries

    Flexoelectricity is a type of ubiquitous and prominent electromechanical coupling, pertaining to the electrical polarization response to mechanical strain gradients that is not restricted by the symmetry of ma...

    Mei Wu, **aowei Zhang, **aomei Li, Ke Qu, Yuanwei Sun, Bo Han in Nature Communications (2022)

  2. Article

    Open Access

    Creating polar antivortex in PbTiO3/SrTiO3 superlattice

    Nontrivial topological structures offer a rich playground in condensed matters and promise alternative device configurations for post-Moore electronics. While recently a number of polar topologies have been di...

    Adeel Y. Abid, Yuanwei Sun, Xu Hou, Congbing Tan, **angli Zhong in Nature Communications (2021)