Effects of perpendicular anisotropy on the interlayer coupling in perpendicularly magnetized [PdCo] Cu [CoPd] spin valves
Thiyagarajah, N. Bae, S. Joo, H.W. Han, Y.C. Kim, J.
Joo, H.W.
Han, Y.C.
Kim, J.
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Abstract
The effects of perpendicular anisotropy on the interlayer coupling in perpendicularly magnetized [PdCo] Cu [CoPd] spin valves have been explored. It was clearly confirmed that the perpendicular anisotropy of soft and hard [CoPd] multilayers plays a crucial role in determining the physical characteristics of perpendicular interlayer coupling in the [PdCo] Cu [CoPd] spin valves. In addition, theoretical calculations demonstrated that the behavior of experimentally observed perpendicular interlayer coupling dominantly followed a Ruderman-Kittel-Kasuya-Yoshida oscillation modified by including a physical parameter directly relevant to the angle deviation of soft or hard [CoPd] magnetizations from the perpendicular direction in the spin valves rather than a topologically induced interlayer coupling. © 2008 American Institute of Physics.
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Applied Physics Letters
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Date
2008
DOI
10.1063/1.2839596
Type
Article