Recovery of the Fermi-liquid state in U3Ni3Sn4 by pressure

Pedro Estrela, A de Visser, F R de Boer, T Naka, L Shlyk

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Abstract

Measurements of the resistivity of single-crystalline U3Ni3Sn4 under hydrostatic pressure up to 1.8 GPa are reported. We show that the temperature Tn, below which the resistivity obeys the Fermi-liquid expression rho similar toT(2), increases with pressure as T-FL-(p-p(c))(1/2). The analysis of the data within the magnetotransport theory of Roach lends strong support for an antiferromagnetic quantum critical point in U-3,Ni3Sn4 at a negative critical pressure p(c) of -0.04+/-0.04 GPa. The proximity to an antiferromagnetic instability in U3Ni3Sn4 is consistent with the previously reported non-Fermi-liquid term in the low-temperature specific heal.
Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review B
Volume6321
Issue number21
Publication statusPublished - 2001

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    Estrela, P., de Visser, A., de Boer, F. R., Naka, T., & Shlyk, L. (2001). Recovery of the Fermi-liquid state in U3Ni3Sn4 by pressure. Physical Review B, 6321(21), 4.