Crystalline Electric Field Effects in UPd2Al3

Böhm, A.; Grauel, A.; Sato, N.; Schank, C.; Geibel, C.; Komatsubara, T.; Weber, G.; Steglich, F.

doi:10.1142/S0217979293000093

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Crystalline Electric Field Effects in UPd₂Al₃

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Böhm, A., Grauel, A., Sato, N., Schank, C., Geibel, C., Komatsubara, T., et al. (1993). Crystalline Electric Field Effects in UPd₂Al₃. International Journal of Modern Physics B, 7(1-3), 34-37. doi:10.1142/S0217979293000093.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-D76F-A

Abstract

The temperature dependencies of the specific heat and the anisotropic magnetic susceptibility of the heavy-fermion superconductor UPd2Al3 show distinct anomalies which can be described by a crystalline electric field (CEF) model for Uranium with hexagonal site symmetry. We find that a CEF-level scheme for the H-3(4) multiplet (5f2 configuration) implying two low lying singlets surprisingly well fits the experimental results.