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- W2082156951 abstract "We report transport measurements on high quality RERu4Sb12 single crystals under magnetic fields up to 14 T and temperatures down to 0.3 K. CeRu4Sb12 exhibits anomalous features in all the transport properties, compared to those for RE = La, Pr and Nd. The thermoelectric power (TEP) shows a huge positive peak over 100 μ V K−1 near 90 K. The Hall coefficient, ~2.0 × 10−9m3 C−1 at room temperature, exhibits a drastic increase below ~100 K to RH ≈ 5.2× 10−8m3 C−1 at 0.3 K. At low temperatures below ~3 K, the TEP exhibits an apparent anomaly correlated with the non-Fermi-liquid behaviour reported in the resistivity and specific heat. We have succeeded in observing Shubnikov–de Haas oscillations both in the magnetoresistance and Hall effect. This result along with the Hall effect suggests small semimetallic Fermi surfaces with highly correlated electrons at low temperatures in contrast with the large FS for LaRu4Sb12. NdRu4Sb12 exhibits anomalies suggesting a ferromagnetic ground state at around 1.4 K above which the resistivity exhibits a negative temperature coefficient up to 6 K." @default.
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- W2082156951 date "2002-11-01" @default.
- W2082156951 modified "2023-09-27" @default.
- W2082156951 title "Transport properties in the filled-skutterudite compounds RERu4Sb12(RE La, Ce, Pr and Nd); an exotic heavy fermion semimetal CeRu4Sb12" @default.
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- W2082156951 doi "https://doi.org/10.1088/0953-8984/14/45/317" @default.
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