V.S. Speriosu, D.A. Herman Jr., et al.
IBM J. Res. Dev
Periodic, finely multilayered thin-film magnetic structures (≤200 Å) with high in-plane coercivity suitable for longitudinal recording investigations have been fabricated. CoPt20/Pd and CoPt12Cr17/Pd periodic multilayers can exhibit a perpendicular orientation, originating from surface anisotropy effects, with a magnitude depending on the thickness of the component layers. The perpendicular orientation influences the transition noise, but for the particular systems studied, the results suggest that for a given value of coercivity squareness, ≲0.8, the greatest improvements in media noise performance can be achieved through reduced exchange in films with a well-defined, in-plane orientation.
V.S. Speriosu, D.A. Herman Jr., et al.
IBM J. Res. Dev
I.L. Sanders, S.E. Lambert
CompEuro 1989
M.S. Cohen, S.M. Kane, et al.
IEEE Transactions on Magnetics
B. Dieny, J.-P. Nozieres, et al.
Applied Physics Letters