at least one of the first and second magnetic metal layers is formed to include {TAIL ~ oriented magnetic material} with {HEAD ~ a bcc structure}, and 
at least one of the first and second magnetic metal layers is formed to include { TAIL ~ oriented magnetic material } with { HEAD ~ a bcc structure } , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH