Abstract

The effects of perpendicular anisotropy on the interlayer coupling in perpendicularly magnetized [Pd∕Co]∕Cu∕[Co∕Pd] spin valves have been explored. It was clearly confirmed that the perpendicular anisotropy of soft and hard [Co∕Pd] multilayers plays a crucial role in determining the physical characteristics of perpendicular interlayer coupling in the [Pd∕Co]∕Cu∕[Co∕Pd] 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 [Co∕Pd] magnetizations from the perpendicular direction in the spin valves rather than a topologically induced interlayer coupling.

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