Magnetic ordering in the heavy-fermion compounds CePtSi<sub>2</sub> and CeNiGe<sub>2</sub>
- Geibel, C.
- Kämmerer, C.
- Seidel, B.
- Bredl, C.
- Grauel, A.
- Steglich, F.
DOIAbstract
The ground state of three CeTMX2 compounds with CeNiSi2 structure type was investigated by electrical-resistivity, magnetic-susceptibility and specific-heat measurements. Whereas CeNiSi2 is an intermediate-valent system, we observe in CePtSi2 and CeNiGe2 magnetic ordering in the presence of heavy fermions. The trends in heavy-fermion formation on going from either the 111 or 122 to the 112 compounds are discussed
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