The method 14, wherein {HEAD ~ each} of {TAIL ~ the magnetic particles} has an easy axis parallel to a surface of the substrate 
of
The method 14 , wherein { HEAD ~ each } of { TAIL ~ the magnetic particles } has an easy axis parallel to a surface of the substrate
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH