P. Martensson, R.M. Feenstra
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
The magnetic order of several polycrystalline cobalt-ruthenium multilayers was determined by polarized neutron reflectometry. Measurements were made on four samples comprised of nominally 30 Å thick Co layers separated by Ru layers nominally 6.6, 11, 17.6 and 22 Å thick respectively. These studies confirm that adjacent cobalt layers, in themselves ferromagnetic, couple alternatively antiferro- and ferromagnetically when the ruthenium thickness is increased. In addition, neutron scattering at grazing incidence reveals that the lateral extension of the antiferromagnetic domains is limited, and does not exceed a few thousand ångströms. In the predominantly ferromagnetically coupled multilayers evidence for a tiny portion of AF coupled regions is found. © 1991.
P. Martensson, R.M. Feenstra
Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
E. Babich, J. Paraszczak, et al.
Microelectronic Engineering
H. Schwenk, S.S.P. Parkin, et al.
Physical Review Letters
Andreas C. Cangellaris, Karen M. Coperich, et al.
EMC 2001