Temperature dependence of carrier spin polarization determined from current-induced domain wall motion in a Co/Ni nanowire

K. Ueda, T. Koyama, R. Hiramatsu, D. Chiba, S. Fukami, H. Tanigawa, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, T. Ono

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

We have investigated the temperature dependence of the current-induced magnetic domain wall (DW) motion in a perpendicularly magnetized Co/Ni nanowire at various temperatures and with various applied currents. The carrier spin polarization was estimated from the measured domain wall velocity. We found that it decreased more with increasing temperature from 100 K to 530 K than the saturation magnetization did.

Original languageEnglish
Article number202407
JournalApplied Physics Letters
Volume100
Issue number20
DOIs
Publication statusPublished - 2012 May 14

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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