Abstract
The magnetic properties of the compounds Pr1−xDyxMn2Ge2 (0 ≤ x ≤ 1) andCe1−xDyxMn2Ge2 (0 ≤ x ≤ 1)were investigated by means of temperature-dependent DC magnetizationmeasurements in low external magnetic fields. The substitution of Dy for Pr or Celeads to a linear decrease in the lattice parameters. Below about 330 K, theinterlayer magnetic coupling in the Mn sublattice is ferromagnetic for Pr-rich andCe-rich compounds and antiferromagnetic for Dy-rich compounds. At lowtemperatures, the Dy sublattice also orders and reconfigures the ordering in theMn sublattice. This leads to ferrimagnetic ordering for Dy-rich compounds.
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