Physical properties of CeGe2−x (x = 0.24) single crystals

Abstract. We present data on the anisotropic magnetic properties, heat capacity and transport properties of CeGe2−x (x = 0.24) single crystals. The electronic coefficient of the heat capacity, γ ∼ 110 mJ/mol K2, is enhanced; three magnetic transitions, with critical temperatures of ≈ 7 K, ≈ 5 K, and ≈ 4 K are observed in thermodynamic and transport measurements. The ground state has a small ferromagnetic component along the c- axis. Small applied field, below 10 kOe, is enough to bring the material to an apparent saturated paramagnetic state (with no further metamagnetic transitions up to 55 kOe) with a reduced, below 1µB, saturated moment