Current-Excited Magnetization Dynamics in Narrow Ferromagnetic Wires
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概要
- 論文の詳細を見る
We investigate the current-excited magnetization dynamics in a narrow ferromagnetic Permalloy wire by means of Lorentz microscopy, together with the results of simultaneous transport measurements. A detailed structural evolution of the magnetization is presented as a function of the applied current density. Local structural deformation, bidirectional displacement, and magnetization reversal are found below the Curie temperature with increasing the current density. We discuss probable mechanisms of observed features of the current-excited magnetization dynamics.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2006-07-25
著者
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Harada Ken
Frontier Research System The Institute Of Physical And Chemical Research (riken)
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Matsuda Tsuyoshi
Frontier Research System The Institute Of Physical And Chemical Research (riken)
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TOGAWA Yoshihiko
Frontier Research System, the Institute of Physical and Chemical Research (RIKEN)
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AKASHI Tetsuya
Advanced Research Laboratory, Hitachi, Ltd.
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TONOMURA Akira
Frontier Research System, the Institute of Physical and Chemical Research (RIKEN)
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Otani Yoshichika
Frontier Research System, the Institute of Physical and Chemical Research (RIKEN), Hirosawa, Wako, Saitama 351-0198, Japan
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Kimura Takashi
Frontier Research System, the Institute of Physical and Chemical Research (RIKEN), Hirosawa, Wako, Saitama 351-0198, Japan
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OTANI Yoshichika
Frontier Research System, The Institute of Physical and Chemical Research (RIKEN)
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