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Spin flipping at sputtered Co/Ag interfaces
DOI:10.1103/PhysRevB.86.064413.png)
摘要
En 中文
We measured at 4.2 K the current-perpendicular-to-plane magnetoresistances of sputtered ferromagnetically coupled [Co(3 nm)/Ag(1.8 or 2.0 nm)](n)Co(3 nm) multilayers with n = 0-8 that were imbedded in the middle of symmetric, Py-based, double exchange-bias spin valves. The measurements yielded the parameter for spin flipping at the Co/Ag interface, delta(Co/Ag) = 0.33 +/- 0.1. Despite the expected larger lattice-mismatch-induced disorder at the Co/Ag interface, this value is similar to that reported earlier for the Co/Cu interface, suggesting that such disorder does not play a major role in delta for these metal pairs.
Keyword:
PERPENDICULAR MAGNETORESISTANCE
GIANT MAGNETORESISTANCES
MULTILAYERS
TRANSPORT
COPPER
VALVES
CO/CU
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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