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Direct Observation of Magnetic Gradient in Co/Pd Pressure-Graded Media
B. J. Kirby, S. M. Watson, J. E. Davies +4
Magnetometry and neutron scattering have been used to study the magnetic properties of pressure graded Co/Pd multilayers. The grading of the multilayer structure was done by varyin…
Definitive Evidence of Interlayer Coupling Between (Ga,Mn)As Layers Separated by a Nonmagnetic Spacer
B. J. Kirby, J. A. Borchers, X. Liu +3
We have used polarized neutron reflectometry to study the structural and magnetic properties of the individual layers in a series of (Al,Be,Ga)As/(Ga,Mn)As/GaAs/(Ga,Mn)As multilaye…
Magnetic and chemical nonuniformity in Ga[1-x]Mn[x]As films as probed by polarized neutron and x-ray reflectometry
B. J. Kirby, J. A. Borchers, J. J. Rhyne +9
We have used complementary neutron and x-ray reflectivity techniques to examine the depth profiles of a series of as-grown and annealed Ga[1-x]Mn[x]As thin films. A magnetization g…
Effects of Capping on the (Ga,Mn)As Magnetic Depth Profile
B. J. Kirby, J. A. Borchers, J. J. Rhyne +6
Annealing can increase the Curie temperature and net magnetization in uncapped (Ga,Mn)As films, effects that are suppressed when the films are capped with GaAs. Previous polarized…
Annealing-Dependent Magnetic Depth Profile in Ga[1-x]Mn[x]As
B. J. Kirby, J. A. Borchers, J. J. Rhyne +7
We have studied the depth-dependent magnetic and structural properties of as-grown and optimally annealed Ga[1-x]Mn[x]As films using polarized neutron reflectometry. In addition to…