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Title: Magnetic properties of perpendicularly magnetized [Co/Pd]/Au/[Co/Pd] pseudo-spin-valve nano-ring structures
Authors: Liu, X.M.
Jain, S. 
Adeyeye, A.O. 
Keywords: Co/Pd multilayer
ferromagnetic nanoring
interlayer coupling
magnetization reversal
perpendicular anisotropy
Issue Date: Oct-2011
Citation: Liu, X.M., Jain, S., Adeyeye, A.O. (2011-10). Magnetic properties of perpendicularly magnetized [Co/Pd]/Au/[Co/Pd] pseudo-spin-valve nano-ring structures. IEEE Transactions on Magnetics 47 (10) : 2628-2631. ScholarBank@NUS Repository.
Abstract: We systematically investigate the effects of interlayer, inter-ring dipolar coupling and the number of bilayer repeats on the magnetization reversal process of [Co/Pd]/Au(t)/[Co/Pd] pseudo-spin-valve (PSV) nano-rings. We observed that exchange coupling dominates the magnetization reversal process in PSV rings when the Au spacer layer thickness is 1 nm, while magnetostatic coupling plays a more significant role for thicker spacer layer. The magnetization reversal process of the PSV nano-rings as a function of inter-ring spacing provides a way to engineer the switching fields in both the ferromagnetic layers. We observed that the coercivity of both the top and bottom Co/Pd stack increases with increasing inter-ring spacing. © 2011 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2011.2155634
Appears in Collections:Staff Publications

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