An ultrahigh differential current perpendicular to {HEAD ~ the plane dual spin valve} read {TAIL ~ head} with high pinning stability 
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An ultrahigh differential current perpendicular to { HEAD ~ the plane dual spin valve } read { TAIL ~ head } with high pinning stability
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH