Comparison of CeRh2Si2 and CeRh2−xRuxSi2 near their Magnetic-Nonmagnetic Boundaries

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Abstract
A zero-temperature magnetic-nonmagnetic phase boundary is accessed in CeRh2Si2 by application of pressure and in CeRh2−xRuxSi2 at ambient pressure for x≈1.0. A comparison of specific heat and resistivity measurements in the two cases emphasizes the importance of disorder in producing non-Fermi-liquid-like behavior in these as well as in other Ce-based systems.

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