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Appl. Phys. Express 1 (2008) 011301 (3 pages)  |Previous Article| |Next Article|  |Table of Contents|
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Current-Driven Domain Wall Motion in CoCrPt Wires with Perpendicular Magnetic Anisotropy

Hironobu Tanigawa, Kouta Kondou, Tomohiro Koyama, Kunihiro Nakano, Shinya Kasai, Norikazu Ohshima1, Shunsuke Fukami1, Nobuyuki Ishiwata1, and Teruo Ono

Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
1Device Platforms Research Laboratories, NEC Corporation, 1120 Shimokuzawa, Sagamihara, Kanagawa 229-1198, Japan

(Received November 5, 2007; accepted November 12, 2007; published online January 11, 2008)

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. ©2008 The Japan Society of Applied Physics

URL: http://apex.ipap.jp/link?APEX/1/011301/
DOI: 10.1143/APEX.1.011301


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