Current driven magnetization reversal in microstructured spin valve with current-in-plane configuration

C. Y. Kuo, C. T. Chao, J. Y. Ou, Lance Horng, J. C. Wu, Te Ho Wu, M. Tsunoda, M. Takahashi

研究成果: Article査読

抄録

The current induced magnetization reversals on the free layer of patterned spin valve ellipse have been investigated using differential magnetoresistance (MR) measurements, in which various direct currents were superimposed to 14 μA alternating current for the MR measurements. Conventional field scanned MR minor loops and subminor loops were measured under different scan ranges of magnetic field to verify the existing metastable states. The magnetization transitions between metastable states were realized in the dc scanned MR loop, in which the resistance levels were identified in accordance with the field scanned MR loop. This phenomenon is believed to be associated with the domain wall motion pushed by the direct current.

本文言語English
論文番号07D118
ジャーナルJournal of Applied Physics
105
7
DOI
出版ステータスPublished - 2009

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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