a first nonmagnetic layer which is provided between the first and second magnetic material layers, and has a first surface facing the first magnetic material layer and {HEAD ~ a second surface} facing {TAIL ~ the second magnetic material layer} 
facing
a first nonmagnetic layer which is provided between the first and second magnetic material layers , and has a first surface facing the first magnetic material layer and { HEAD ~ a second surface } facing { TAIL ~ the second magnetic material layer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL