Disordered FeP alloys are produced by electrochemical deposition in a wide concentration range from 0 up to 20 at% of P. The form of the concentration dependences of the structural and magnetic parameters is determined by X‐ray diffraction, Mössbauer spectroscopy, and magnetic measurements. The observed anomaly is explained by changes in the character of interatomic bonds and by the existence of the transition from a microcrystalline b.c.c. structure to an amorphous state. The results obtained are compared with analogous data for disordered alloys of iron with Al and Si.
Electrodeposited Fe–P alloys with P concentration up to 45 at% are studied by Mössbauer spectroscopy. The concentration dependences of average hyperfine magnetic fields H(x) and isomer shifts H(x) are measured. The values of local hyperfine magnetic fields HK depending on the P‐atom numbers in the nearest Fe‐atom environment are determined. Conclusions about changes in the local atomic structure of Fe–P alloys with P concentration increasing from 7 up to 25 at% are drawn. From the H(x) dependence the possibility of describing integral macrophysical properties of Fe–P alloys using local atomic environment characteristics, is illustrated.
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