Domain Wall Dynamics under an In-Plane Rotating Magnetic Field in a Nanowire with Perpendicular Magnetic Anisotropy

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概要

• 論文の詳細を見る

• As an alternative to current or static magnetic field driven domain wall (DW) motion, we studied the dynamics of DW motion under an in-plane rotating magnetic field (IRMF) in a metallic nanowire with a perpendicular magnetic anisotropy. An equation describing the DW motion was obtained with a one-dimensional analytical model based on a collective coordinate approach. The DW velocity can easily be controlled up to hundreds of meters per second by varying the IRMF amplitude and frequency. The validity of the equation for DW motion was confirmed with micromagnetic simulations.

• 2010-02-25

著者

• LEE Sung

  Samsung Cheil Hospital Breast Center

• Ung Hwan

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Jinseong Heo

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Cho Young

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Pi Ung

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Ji Young

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Sunae Seo

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Jae Kwang

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

• Taek Dong

  Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, Yusong-gu, Daejeon 305-701, Korea

• Sung Chul

  Samsung Advanced Institute of Technology, Giheung-gu, Yongin, Gyeonggi-do 449-712, Korea

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