Current-driven domain wall motion in CoCrPt wires with perpendicular magnetic anisotropy

Hironobu Tanigawa; Kouta Kondou; Tomohiro Koyama; Kunihiro Nakano; Shinya Kasai; Norikazu Ohshima; Shunsuke Fukami; Nobuyuki Ishiwata; Teruo Ono

doi:10.1143/APEX.1.011301

Current-driven domain wall motion in CoCrPt wires with perpendicular magnetic anisotropy

Hironobu Tanigawa, Kouta Kondou, Tomohiro Koyama, Kunihiro Nakano, Shinya Kasai, Norikazu Ohshima, Shunsuke Fukami, Nobuyuki Ishiwata, Teruo Ono

RIEC - Computing System Platforms Division

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

We report the direct observation of current-driven domain wall (DW) motion in a CoCrPt wire with perpendicular magnetic anisotropy. Magnetic force microscopy showed that a single DW introduced in the wire is displaced back and forth by positive and negative pulsed current. This is the first demonstration of the current-driven DW motion in a metallic magnetic wire with perpendicular magnetic anisotropy in the absence of a magnetic field.

Original language	English
Article number	011301
Journal	Applied Physics Express
Volume	1
Issue number	1
DOIs	https://doi.org/10.1143/APEX.1.011301
Publication status	Published - 2008 Jan

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abstract = "We report the direct observation of current-driven domain wall (DW) motion in a CoCrPt wire with perpendicular magnetic anisotropy. Magnetic force microscopy showed that a single DW introduced in the wire is displaced back and forth by positive and negative pulsed current. This is the first demonstration of the current-driven DW motion in a metallic magnetic wire with perpendicular magnetic anisotropy in the absence of a magnetic field.",

author = "Hironobu Tanigawa and Kouta Kondou and Tomohiro Koyama and Kunihiro Nakano and Shinya Kasai and Norikazu Ohshima and Shunsuke Fukami and Nobuyuki Ishiwata and Teruo Ono",

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AU - Tanigawa, Hironobu

AU - Kondou, Kouta

AU - Koyama, Tomohiro

AU - Nakano, Kunihiro

AU - Kasai, Shinya

AU - Ohshima, Norikazu

AU - Fukami, Shunsuke

AU - Ishiwata, Nobuyuki

AU - Ono, Teruo

PY - 2008/1

Y1 - 2008/1

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AB - We report the direct observation of current-driven domain wall (DW) motion in a CoCrPt wire with perpendicular magnetic anisotropy. Magnetic force microscopy showed that a single DW introduced in the wire is displaced back and forth by positive and negative pulsed current. This is the first demonstration of the current-driven DW motion in a metallic magnetic wire with perpendicular magnetic anisotropy in the absence of a magnetic field.

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Current-driven domain wall motion in CoCrPt wires with perpendicular magnetic anisotropy

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