title: Lone-pair interfaces that divide inorganic materials into ionic and covalent parts.
authors.affiliation: Department of Inorganic Chemistry, Stockholm University, 106 91 Stockholm, Sweden.
authors.forename: Zuzana
authors.initials: Z
authors.lastname: Mayerová
authors.forename: Mats
authors.initials: M
authors.lastname: Johnsson
authors.forename: Sven
authors.initials: S
authors.lastname: Lidin