Abstract
Single crystals of CeAuGa3 which crystallize in a BaAl4-type structure are synthesized and their physical properties were investigated by magnetization, transport, and specific heat measurements. The BaAl4-type CeAuGa3 is a highly anisotropic ferromagnet with the transition temperature with Tc=1.8K, which is confirmed by the hysteresis loop at low temperatures in magnetization measurements. Crystalline-electric field plays an important role in magnetic properties and the small Sommerfeld coefficient γ=12.6mJ/mol K2 indicates that CeAuGa3 has a weak Kondo effect. These observations demonstrate that CeAuGa3 is an interesting example involving the possible interplay of ferromagnetic, crystalline-electric field and Kondo effect.
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