“All-Heusler alloy” current-perpendicular-to-plane giant magnetoresistance
Konstantin G. NikolaevSeagate Technology 1 , Bloomington, Minnesota 55435, USAPaul KolboSeagate Technology 1 , Bloomington, Minnesota 55435, USATaras PokhilSeagate Technology 1 , Bloomington, Minnesota 55435, USAXilin PengSeagate Technology 1 , Bloomington, Minnesota 55435, USAYonghua ChenSeagate Technology 1 , Bloomington, Minnesota 55435, USAT. AmbroseSeagate Research 2 , Pittsburgh, Pennsylvania 15223, USAO. N. MryasovSeagate Research 2 , Pittsburgh, Pennsylvania 15223, USA
2009en
ABI
Аннотация
A materials system of ternary full Heusler alloys exhibiting substantial current-perpendicular-to-plane giant magnetoresistance (CPP-GMR) has been theoretically proposed and experimentally realized. Observed trends in magnetoresistance are broadly consistent with the modeling results. A CPP-GMR of 6.7% and ΔRA of 4 mΩ μm2 have been demonstrated in the bottom spin-valve configuration. The spin-stand testing of narrow-track recording heads confirmed compatibility of these materials with hard disk drive reader technology.
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