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Figures



Figure 1: (a) Magnetization curves for two Fe-Cu-Co-Cu sandwiches (see inset) grown on glass at different deposition temperatures. The shoulder in the magnetization of the 165 °C sample indicates the region where the Fe and Co moments are antialigned.


(b) Room-temperature transverse magnetoresistance curves for the same two samples. The 220 °C sample with the square magnetization curve has an MR trace typical for a single thin ferromagnetic film, whereas the 165 °C sample has an increased resistance when the moments of the two films are antialigned.


Figure 2: Transverse magnetoresistance for two Fe51Å/Cu55Å/Co48Å sandwiches which were deposited simultaneously, one on glass and one on a semi-insulating Si substrate. The growth temperature was 165 °C.



Figure 3: Co-thickness dependence of the anisotropic magnetoresistance (AMR) and spin-valve magnetoresistance for a series of Fe-Cu-Co-Cu sandwiches. These samples were deposited on glass at 165 °C, and had the structure Fe56Å/Cu50Å/Co(tCo)/Cu30Å.



alchaiken@gmail.com (Alison Chaiken)
Wed Oct 11 09:49:01 PDT 1995