title: Guest-free monolayer clathrate and its coexistence with two-dimensional high-density ice.
authors.affiliation: Department of Chemistry and Nebraska Center for Materials and Nanoscience, University of Nebraska, Lincoln, NE 68588, USA.
authors.forename: Jaeil
authors.initials: J
authors.lastname: Bai
authors.forename: C Austen
authors.initials: CA
authors.lastname: Angell
authors.forename: Xiao Cheng
authors.initials: XC
authors.lastname: Zeng