Magnetic properties of high-concentration Fe-Ag alloys produced by vapour quenching

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Abstract
Alloys of Fe1-xAgx obtained by vapour quenching have been investigated by X-ray diffraction and magnetisation measurements. The single BCC phase extends up to about x=0.14, while the single FCC phase exists above x=0.6. For x=0.14-0.6, there is a mixed BCC and FCC phase. The average magnetic moment decreases with increasing x. It deviates upwards from the simple dilution law in the BCC and FCC alloys with x=0.6-0.7. The Curie temperature, TC, is about 900K for the BCC alloy with x=0.1, while TC is about 550K for the FCC alloy with x=0.6 and decreases with increasing x to zero at about x=0.95.