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Magnetic structure and anisotropy of [Co/Pd]_5/NiFe multilayers



Larysa Tryputen, Feng Guo, Liu Frank, T. N. Anh Nguyen, Majid Mohseni, Sunjae Chung, Yeyu Fang, Johan Akerman, Robert McMichael, Caroline Ross


The magnetization behavior, magnetic anisotropy and domain congurations of Co/Pd multilayers with perpendicular magnetic anisotropy capped with permalloy is investigated using magnetometry, magnetic force microscopy and ferromagnetic resonance. The thickness of the NiFe layer in [Co/Pd]5/NiFe(t) was varied from t = 0 nm to 80 nm in order to study the interplay between the anisotropy and magnetization directions of the Co/Pd and the NiFe. By varying the thickness of NiFe layer the net anisotropy changes sign, but domains with plane-normal magnetization are present even for the thickest NiFe. Ferromagnetic resonance measurements show a decrease in damping with increasing NiFe thickness. The results demonstrate how the magnetic behavior of mixed-anisotropy thin films can be controlled.
Physical Review B


Perpendicular anisotropy, multilayers, ferromagnetic resonance, anisotropy


Tryputen, L. , Guo, F. , Frank, L. , Nguyen, T. , Mohseni, M. , Chung, S. , Fang, Y. , Akerman, J. , McMichael, R. and Ross, C. (2015), Magnetic structure and anisotropy of [Co/Pd]_5/NiFe multilayers, Physical Review B, [online],, (Accessed April 15, 2024)
Created January 8, 2015, Updated October 12, 2021