January 1, 2007
Author(s)
M Gradhand, Christian Heiliger, P Zahn, I Mertig
… for only a few monolayers, but very small and negative, -7 %, for amorphous Fe.This explains the finding that for … MgO barrier is sufficient to reach TMR ratios higher than 500 % independent of whether the crystalline monolayer is … with MgO amorphous Fe reduces the TMR ratio drastically to 44 %. …