| http://www.w3.org/ns/prov#value | - Ferromagnetic layers 12, 14 may be made of any useful ferromagnetic (FM) material such as, for example, Fe, Co or Ni and alloys thereof, such as NiFe and CoFe, and ternary alloys, such as CoFeB. Either or both of free layer 12 and pinned layer 14 may be either a single layer or an unbalanced synthetic antiferromagnetic (SAF) coupled structure, i.e., two ferromagnetic sublayers separated by a metal
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