Journal
AIP ADVANCES
Volume 7, Issue 3, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4979727
Keywords
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)-Supported Program for Strategic Research Foundation at Private University
- MEXT KAKENHI [26630137]
- Grants-in-Aid for Scientific Research [26630137] Funding Source: KAKEN
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We investigated the current-induced domain wall motion (CIDWM) in Pt (3 nm)/Tb0.34Co0.66 (6 nm) alloy wire at various temperatures (T). The threshold current density (Jth) for the CIDWM in the Tb-Co alloy wire was 0.85 x 10(11) A/m(2) at room temperature, and drastically decreased as T was increased. Particularly, at T = 343 K, Jth (= 0.13 x 10(11) A/m(2)) was almost 7 times lower than that at room temperature. The reduction in Jth can be attributed to thermally activated creep motion and a reduction in the depinning current density. These results indicate that devices using CIDWM can be thermally assisted. (C) 2017 Author(s).
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