title: Topographic and magnetic-sensitive scanning tunneling microscope study of magnetite.
abstract: The topographic and magnetic surface structure of a natural single crystal of magnetite (Fe(3)0(4)), a common mineral, has been studied from the submicrometer scale down to the atomic scale with a scanning tunneling microscope having nonmagnetic tungsten as well as ferromagnetic iron probe tips. Several different (001) crystal planes were imaged to atomic resolution with both kinds of tips. A selective imaging of the octahedrally coordinated Fe B-sites in the Fe-O planes, and even a selective imaging of the different magnetic ions Fe(2+) and Fe(3+), has been achieved, demonstrating for the first time that magnetic imaging can be realized at the atomic level.
authors.forename: R
authors.initials: R
authors.lastname: Wiesendanger
authors.forename: I V
authors.initials: IV
authors.lastname: Shvets
authors.forename: D
authors.initials: D
authors.lastname: Bürgler
authors.forename: G
authors.initials: G
authors.lastname: Tarrach
authors.forename: H J
authors.initials: HJ
authors.lastname: Güntherodt
authors.forename: J M
authors.initials: JM
authors.lastname: Coey
authors.forename: S
authors.initials: S
authors.lastname: Gräser