Intercorrelated In-Plane and Out-of-Plane Ferroelectricity in Ultrathin Two-Dimensional Layered Semiconductor In2Se3 Cui, Chaojie ; Hu, Wei-Jin ; Yan, Xingxu ; Addiego, Christopher ; Gao, Wenpei ; Wang, Yao ; Wang, Zhe ; Li, Linze ; Cheng, Yingchun ; Li, Peng ; Zhang, Xixiang ; Alshareef, Husam N. ; Wu, Tom ; Zhu, Wenguang ; Pan, Xiaoqing ; Li, Lain-Jong Abstract Publication: Nano Letters Pub Date: February 2018 DOI: 10.1021/acs.nanolett.7b04852 Bibcode: 2018NanoL..18.1253C