U3Ni3Sn4 and U2.9Ni3.0Sn3.9 single crystals exhibit a non-Fermi liquid susceptibility χ ∝ T-0.3 below 10K. The electronic heat capacity coefficient γ(T) of U2.9Ni3.0Sn3.9 varies as the square root of temperature between 0.3 and 5 K, consistent with fluctuations near an antiferromagnetic quantum critical point.
- Heavy fermions
- Non-fermi liquid
- Uranium compounds
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering