Abstract
Spin echo NMR measurements on 159Tb have been done at 1.6 K in the magnetically ordered state of the cubic Laves phase TbNi 2 compound. The magnetic hyperfine interaction and the electric quadrupole interaction parameters have been observed to be 2924±3 MHz and 258.3±3 MHz, respectively. The magnetic moment of Tb is deduced to be 7.55 μ B from the electric quadrupole splitting of 159Tb on the basis of a molecular field Hamiltonian.
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