Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 22, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3126962
Keywords
cobalt alloys; copper alloys; disc drives; germanium alloys; giant magnetoresistance; hard discs; magnetic heads; manganese alloys; rhodium alloys; spin valves; tin alloys
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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 Delta RA of 4 m Omega mu m(2) 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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