The specific heat of polycrystalline intermetallics YCo12B6 and GdCo12
B6 which crystallize in the hexagonal SrNi12B6 structure have been mea
sured in the temperature range of 80 K < T < 250 K. The results are su
ccessfully explained using the Weiss and the Neel molecular field mode
ls and the Ginzburg-Landau theory. The implications of the present res
ults are also discussed. (C) 1995 American Institute of Physics.