Unconventional ferroelectricity in half-filling states of antiparallel stacking of twisted WSe2Liheng An, Zishu Zhou, Xuemeng Feng, Meizhen Huang, Xiangbin Cai, Yong Chen, Pei Zhao, Xi Dai, Jingdi Zhang, Wang Yao, Junwei Liu and Ning WangNatl Sci Open, 2 1 (2023) 20220033DOI: https://doi.org/10.1360/nso/20220033