| prov:value
| - In particular, a favorable material is PtMn or PtMn to which doped is at least one type of element selected from the group consisting of Ti, V, Cr, Co, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Hf, Ta, W, Re, Os, Ir, Pt, Au, Si, and Al. [0118] As materials forming the fixed layer 5, it is possible to use alloys and amorphous magnetic materials such as NiFe, Co, CoFe, NiFeCo, FeCo, CoFeB, CoZrMo,
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