Triangular frustration of ferroelectric domains

The recent discovery of chiral electric dipoles in PbTiO3 thin films, including vortices [1] and skyrmions [2], has attracted tremendous interest from both fundamental and...近期在钛酸铅（PbTiO₃）薄膜中发现手性电偶极子（chiral electric dipoles），包括涡旋（vortices）[1]与斯格明子（skyrmions）[2]，这一发现已在基础研究及……领域引发了极大关注。