The high pinning stability may be achieved using {HEAD ~ the same anti ferromagnetic materials} for {TAIL ~ two spin valves} by introducing a double synthetic anti ferromagnetic structure in one of the two spin valves 
for
The high pinning stability may be achieved using { HEAD ~ the same anti ferromagnetic materials } for { TAIL ~ two spin valves } by introducing a double synthetic anti ferromagnetic structure in one of the two spin valves
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH