INTERLAYER EXCHANGE COUPLING VERSUS FERROMAGNETIC LAYER THICKNESS IN ASYMMETRIC CO RU/CO TRILAYER FILMS/

Authors
ZHOU L ZHANG Z WIGEN PE OUNADJELA K
Citation
L. Zhou et al., INTERLAYER EXCHANGE COUPLING VERSUS FERROMAGNETIC LAYER THICKNESS IN ASYMMETRIC CO RU/CO TRILAYER FILMS/, Journal of applied physics, 76(10), 1994, pp. 7078-7080
Citations number
12
Categorie Soggetti
Physics, Applied
Journal title
Journal of applied physics → ACNP
ISSN journal
00218979
Volume
76
Issue
10
Year of publication
1994
Part
2
Pages
7078 - 7080
Database
ISI
SICI code
0021-8979(1994)76:10<7078:IECVFL>2.0.ZU;2-W
Abstract
A dependence of the interlayer exchange coupling coefficient A(12) on the Co layer thickness has been observed in asymmetric Co(32 Angstrom) /RU(t(Ru))/Co(t(2)) trilayer structures for several series within whic h t(Ru) is a constant. As a function of the second Co layer thickness, the amplitude of A(12) varies significantly but the sign of A(12) doe s not change within each series. In both parallel and antiparallel cou pled structures, the variation length Delta t(2) between the maximum a nd the minimum coupling strength is rather large (about 10 Angstrom) a nd consistent from series to series.