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