title: Swift thermal steering of domain walls in ferromagnetic MnBi stripes.
abstract: We predict a fast domain wall (DW) motion induced by a thermal gradient across a nanoscopic ferromagnetic stripe of MnBi. The driving mechanism is an exchange torque fueled by magnon accumulation at the DWs. Depending on the thickness of the sample, both hot-to-cold and cold-to-hot DW motion directions are possible. The finding unveils an energy efficient way to manipulate DWs as an essential element in magnetic information processing such as racetrack memory.
authors.affiliation: Institut für Physik, Martin-Luther-Universität, Halle-Wittenberg, D-06099 Halle/Saale, Germany.
authors.forename: Alexander
authors.initials: A
authors.lastname: Sukhov
authors.affiliation: Institut für Physik, Martin-Luther-Universität, Halle-Wittenberg, D-06099 Halle/Saale, Germany.
authors.forename: Levan
authors.initials: L
authors.lastname: Chotorlishvili
authors.affiliation: Max Planck Institute of Microstructure Physics, D-06120 Halle/Saale, Germany.
authors.forename: Arthur
authors.initials: A
authors.lastname: Ernst
authors.affiliation: Max Planck Institute of Microstructure Physics, D-06120 Halle/Saale, Germany.
authors.forename: Xabier
authors.initials: X
authors.lastname: Zubizarreta
authors.affiliation: Max Planck Institute of Microstructure Physics, D-06120 Halle/Saale, Germany.
authors.forename: Sergey
authors.initials: S
authors.lastname: Ostanin
authors.affiliation: Institut für Physik, Martin-Luther-Universität, Halle-Wittenberg, D-06099 Halle/Saale, Germany.|Max Planck Institute of Microstructure Physics, D-06120 Halle/Saale, Germany.
authors.forename: Ingrid
authors.initials: I
authors.lastname: Mertig
authors.affiliation: Max Planck Institute of Microstructure Physics, D-06120 Halle/Saale, Germany.
authors.forename: Eberhard K U
authors.initials: EK
authors.lastname: Gross
authors.affiliation: Institut für Physik, Martin-Luther-Universität, Halle-Wittenberg, D-06099 Halle/Saale, Germany.
authors.forename: Jamal
authors.initials: J
authors.lastname: Berakdar