The magnetic hyperfine field at Ta-181 in SmFe2 was measured by the TD
PAC method in the temperature range from 80 K up to the Curie point. I
t was shown to rise from 7.1(2) T at 80 K to 8.4(1) T at 300 - 400 K.
The results are compared with those for other RFe(2) Laves phases (R =
Y, Nd, Gd, Lu).