Aw. Carbonari et al., MAGNETIC HYPERFINE FIELD AT HF SITE IN HF(FE1-XCOX)(2) AND HF(FE1-XCOX)(2)H-Y AT LOW CO CONCENTRATION MEASURED BY TDPAC, Journal of magnetism and magnetic materials, 177, 1998, pp. 1431-1433
The magnetic hyperfine field (mhf) on Ta-181 at Hf site was measured f
or the pseudobinary alloys Hf(Fe1-xCox)(2) and Hf(Fe1-xCox)(2)H-y with
0 less than or equal to x less than or equal to 0.4 and y similar to
0.15. The results show three different values for the mhf in the range
0.01 less than or equal to x less than or equal to 0.1 which we belie
ve are associated with the following Hf nearest neighbour configuratio
ns: (12 Fe), (11 Fe, 1 Co) and (10 Fe, 2 Co). Relative magnitudes of t
he mhf for each configuration show that a short-range magnetic interac
tion is predominant in these compounds. (C) 1998 Elsevier Science B.V.
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