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This paper investigates the switching speed in samples having different surfaces (hereafter quoted as "small" or "large" samples), and compares the temperature dependences thereof. The "large" samples are pseudo-spin valves Co75Fe25 (2.5 nm)/Cu(6 nm)/Co75Fe25(40 nm). The top (thin) layer is patterned into an ellipse of size 150times85 nm, while the bottom layer is unpatterned...
In the present study, the switching field distribution (SFD) of the Tb/Pt/Ru/CoPtCr-SiO2 perpendicular media has been studied in relation to the Ar pressure at which the recording layer was deposited. The goal of the present study is to correlate the SFDs of the Tb/Pt/Ru/CoPtCr-SiO2 media with their intergranular exchange coupling and their grain size distribution.
In this report, we will demonstrate that by simply using a bilayer capping layer of Ru/Ta instead of usually used Ta, the switching field, as well as distribution of switching fields, of magnetic tunnel junctions (MTJ) can be considerably reduced. Two samples with the same MTJ stack of Ta/PtMn/SAF-pinned/AlOx/CoFeB(2 nm) (bottom to top) but capped by different metal layers of Ta and Ru/Ta, correspondingly,...
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