title: Crystal structures of and displacive transitions in OsN2, IrN2, RuN2, and RhN2.
authors.affiliation: Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. ryu@lbl.gov
authors.forename: Rong
authors.initials: R
authors.lastname: Yu
authors.forename: Qian
authors.initials: Q
authors.lastname: Zhan
authors.forename: Lutgard C
authors.initials: LC
authors.lastname: De Jonghe