Heterostructures for Realizing Magnon-Induced Spin Transfer Torque

Figure 7

(a) Current in plane magnetoresistance measurements on Fe₃O₄(500 Å)/Cr(57 Å)/Fe₃O₄(1000 Å) spin valves. The black (red) data are measurements with increasing (decreasing) fields. (b) Change of GMR as a function of Cr spacer layer thickness; the line is a fit to an exponential decay, with a decay constant of 33 Å.

(a)

(b)