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Magnetic moments and curie temperatures of (Fe, Ni)80(P, B)20amorphous alloys

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3 Author(s)
Becker, J. ; General Electric Research and Development Center, Schenectady, NY ; Luborsky, F. ; Walter, John L.

The magnetic moment per transition metal atom at 0°K and the Curie temperature were obtained for a series of (Fe, Ni)80(P, B)20amorphous quenched alloy ribbons. Fe/Ni and P/B compositions were varied separately. The moment data can be fitted well by assigning 2.1 Bohr magnetons per Fe atom and 0.6 per Ni atom, with the moment being lowered by 0.3 per B atom and 1.0 per P atom. Alternatively, moments varying with composition, as shown by neutron diffraction in crystalline alloys, combined with a lowering of 1.2 per B atom and 2.1 per P atom, also fit well. For a given P/B composition, Tcshows a broad maximum at Fe:Ni of about 3:1. For a given transition metal composition, Tcincreases with increasing B content.

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Magnetics, IEEE Transactions on  (Volume:13 ,  Issue: 3 )