Evidence for a ferromagnetic quantum critical point in CePd1-xRhx

Sereni, J. G.; Küchler, R.; Geibel, C.

doi:10.1016/j.physb.2004.12.050

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Evidence for a ferromagnetic quantum critical point in CePd_1-xRh_x

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Küchler, R.
Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Geibel, C.
Christoph Geibel, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Sereni, J. G., Küchler, R., & Geibel, C. (2005). Evidence for a ferromagnetic quantum critical point in CePd_1-xRh_x. Physica B-Condensed Matter, 359-361, 41-43. doi:10.1016/j.physb.2004.12.050.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-2CDD-1

Abstract

In the alloy CePd1-xRhxCePd1-xRhx, one observes the transition from a ferromagnetic (F) state at x=0x=0 to a valence fluctuating state at x=1x=1. We are performing a detailed investigation of the disappearance of the F-state in this alloy using AC-susceptibility, specific heat and thermal expansion measurements and present here preliminary results. Our results indicate a continuous decrease of the ferromagnetic ordering temperature TCTC with increasing x down to View the MathML sourceTC=0.25K at x=0.80x=0.80. This suggests that in this alloy the ferromagnetic order disappears at a quantum critical point placed around xcr≈0.85xcr≈0.85