Dimensionality crossover to a two-dimensional vestigial nematic state from a three-dimensional antiferromagnet in a honeycomb van der Waals magnet

Zeliang Sun, Gaihua Ye, Chengkang Zhou, Mengqi Huang, Nan Huang, Xilong Xu, Qiuyang Li, Guoxin Zheng, Zhipeng Ye, Cynthia Nnokwe, Lü Li, Hui Deng, Li Yang, David Mandrus, Zi Yang Meng, Kai Sun, Chunhui Du, Rui He, Liuyan Zhao