Abstract
The crystallographic structure, magnetization, specific heat, and electrical resistivity of polycrystalline CeTi${}_{1\ensuremath{-}x}$V${}_{x}$Ge${}_{3}$ ($0\ensuremath{\le}x\ensuremath{\le}0.42$ and $x$ $=$ 1) have been studied. CeTiGe${}_{3}$ has been reported as one of the rare ferromagnetic Kondo systems with a Curie temperature ${T}_{c}$ $=$ 14 K. We present a detailed study of the low-temperature properties on this compound, including magnetization, specific heat, and electrical resistivity in magnetic fields up to 5 T. Elastic neutron-scattering experiments confirm ferromagnetic and exclude ferrimagnetic order of CeTiGe${}_{3}$. Analysis of the specific heat gives evidence of a strong magnetic anisotropy in this system as evidenced by a gap. Replacing Ti by V reduces ${T}_{c}$, with ${T}_{c}\ensuremath{\rightarrow}0$ for $x\ensuremath{\approx}0.35$, suggesting a possible ferromagnetic quantum critical point.
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