B. Gicala1, J. Pszczoła1, Z. Kucharski2, J. Suwalski2
1 Solid State Physics Department, AGH, Al. Mickiewicza 30, 30-059 Kraków, Poland,
2 Institute of Atomic Energy, 05-400 Świerk-Otwock, Poland
The 161Dy Mössbauer effect studies have been performed for the cubic
(MgCu2-type crystallographic structure)
Dy(Fe0.2Co0.8-xNix)2 compounds (4.2 K). Isomer shift increases,
magnetic hyperfine field falls down linearly and the quadrupole interaction parameter is almost constant
against x.