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Element specific separation of bulk and interfacial magnetic hysteresis loops
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) (a) GMR loop of Co-dusted (∎) and nondusted (엯) spin valves. (b) VSM loops of a dusted spin valve (a schematic of the layer stack is in the inset). (c) The free layer GMR loop, minor VSM loop of the same sample is presented in panel (d). (These data are inverted to allow easy visual comparison with the GMR data.) The arrows indicate the fields at which SXRMS and data were collected.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Specular low angle x-ray reflectivity (엯) together with fitted curve (line). (b) Average intensity from the SXRMS measurements as a function of for the Ni, Fe, and Co at the edges; difference for (c) Ni, (d) Fe, and (e) Co at the edges. The arrows indicate the positions for which we have measured hysteresis loops, where the spin asymmetry ratio is large.

Image of FIG. 3.
FIG. 3.

(Color online) SXRMS off-specular (sample offset 0.08°) [panel (a)] and specular [panel (b)] element specific hysteresis loops of a Ni at (▴), Fe at (●), and Co at (∎) edges, collected using 90% circularly polarized photons. The inset cartoon shows the mechanism by which the peaks in the off-specular loops arise at the coercivity.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Element specific separation of bulk and interfacial magnetic hysteresis loops