Abstract

The discrete-variational method in the local density approximation is used to calculate the local properties at the iron central site in iron-copper alloys. The local magnetic moment, hyperfine field and the isomer shift at iron sites are calculated versus the number of copper atoms at the neighboring shells. It is found that the magnetic moment increases with increasing number of copper atoms in the first coordination shell, whereas the magnetic hyperfine field decreases. Assuming a binomial distribution of copper atoms the average properties are calculated and compared to experimental results.

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