Magnetic ordering in the heavy-fermion compounds CePtSi2 and CeNiGe2

Geibel, C.; Kämmerer, C.; Seidel, B.; Bredl, C. D.; Grauel, A.; Steglich, F.

doi:10.1016/0304-8853(92)91413-N

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Magnetic ordering in the heavy-fermion compounds CePtSi₂ and CeNiGe₂

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Geibel, C., Kämmerer, C., Seidel, B., Bredl, C. D., Grauel, A., & Steglich, F. (1992). Magnetic ordering in the heavy-fermion compounds CePtSi₂ and CeNiGe₂. Journal of Magnetism and Magnetic Materials, 108(1-3), 207-208. doi:10.1016/0304-8853(92)91413-N.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-D710-B

Abstract

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.